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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2005 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 501, Compositions: Ceramic

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
CORNING INCORPORATED 9 13 17 16 14 15 18 21 20 23 6 12 19 17 17 17 13 13 15 22 17 21 14 21 23 30 21 17 14 4 7 11 20 19 15 12 9 592
~Individually Owned Patent 4 6 7 6 10 10 5 2 8 10 6 5 7 3 6 9 5 1 5 9 11 11 8 12 6 13 11 13 7 10 11 5 12 12 14 5 6 291
NGK INSULATORS LTD. 2 0 1 1 0 0 2 0 0 0 0 2 5 4 1 0 6 3 5 6 16 5 9 9 10 6 2 2 6 6 7 5 1 4 4 4 5 139
MURATA MANUFACTURING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 2 0 2 2 4 3 6 2 6 4 1 6 3 6 5 7 2 6 7 5 7 5 22 9 3 7 132
LANXIDE TECHNOLOGY COMPANY, LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 14 12 19 20 18 14 9 4 4 0 0 0 0 0 0 0 0 115
GENERAL ELECTRIC COMPANY 2 4 6 3 1 4 0 1 5 7 1 3 6 1 3 2 5 5 7 9 4 3 7 1 1 1 2 4 2 3 4 1 2 2 0 0 0 112
NGK SPARK PLUG CO., LTD. 0 0 0 0 0 0 1 0 0 0 0 2 1 1 2 0 3 8 6 5 8 3 6 7 5 5 5 4 4 1 7 7 5 3 1 4 4 108
OWENS-ILLINOIS INC. 11 16 6 5 7 9 7 11 10 5 2 1 1 3 1 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
SCHOTT GLASWERKE 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 5 5 4 3 2 4 2 3 5 4 2 3 1 2 4 0 6 8 7 4 7 7 92
ASAHI GLASS COMPANY, LTD. 0 0 0 1 3 0 0 1 2 2 0 1 0 3 1 0 0 3 6 0 0 0 4 1 7 5 1 3 4 11 7 1 7 5 7 3 2 91
E. I. DU PONT DE NEMOURS AND COMPANY 3 2 4 8 5 6 0 0 0 0 0 0 0 0 0 0 0 3 1 2 7 4 5 12 1 5 2 2 0 3 0 1 0 0 0 2 4 82
KYOCERA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 6 3 1 2 2 3 5 6 1 3 8 4 6 4 6 4 6 3 2 80
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 0 3 0 1 5 3 8 9 7 6 3 3 5 3 4 2 3 2 1 72
TOSHIBA CORPORATION 0 0 1 0 0 1 0 2 1 2 0 0 1 3 3 1 3 0 4 3 7 1 4 3 5 0 2 3 2 3 2 2 1 2 1 2 0 65
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 1 1 1 3 0 0 0 0 1 0 0 1 2 0 3 5 1 1 1 3 3 2 2 7 1 4 3 3 1 1 0 1 1 2 5 2 64
DOW CHEMICAL COMPANY 5 1 0 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 1 2 5 4 6 6 8 6 3 3 3 3 0 0 0 0 0 0 0 62
DRESSER INDUSTRIES, INC. 7 4 11 2 1 3 0 3 1 1 1 1 2 0 1 2 6 1 1 2 3 3 2 0 3 1 0 0 0 0 0 0 0 0 0 0 0 62
HOYA CORPORATION 0 0 0 0 0 0 0 0 1 4 3 1 2 0 2 2 3 2 3 2 2 1 3 2 5 0 0 0 1 1 1 3 3 1 5 5 4 62
NIPPON SHEET GLASS CO., LTD. 0 1 1 0 1 0 1 0 0 0 0 0 2 0 0 1 2 0 1 1 1 1 1 1 1 1 0 0 0 1 6 4 6 11 6 7 4 62
NIPPON ELECTRIC GLASS COMPANY LIMITED 0 0 0 1 0 0 2 2 1 0 0 0 0 1 2 0 1 1 1 3 2 0 6 1 0 3 0 1 2 3 0 3 3 6 7 5 4 61
TDK CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 0 2 2 1 2 1 1 2 1 3 2 2 3 4 9 7 4 5 56
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 0 3 0 1 3 3 3 7 4 1 3 3 1 1 6 1 3 4 0 0 1 0 54
KABUSHIKI KAISHA OHARA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 5 2 2 3 0 6 2 7 9 4 7 2 52
U.S. PHILIPS CORPORATION 0 1 4 3 2 4 3 2 0 1 0 0 1 2 2 4 0 2 1 0 1 1 0 0 2 1 2 2 3 0 1 1 1 0 0 0 0 47
PPG INDUSTRIES INC. 3 2 4 1 0 2 2 2 0 2 2 5 2 0 0 0 1 0 0 3 1 2 4 0 2 0 1 1 2 1 0 0 0 0 0 0 0 45
JENAER GLASWERK SCHOTT + GEN 1 2 6 3 4 2 5 7 2 3 2 2 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
NORTON COMPANY 1 0 0 1 0 5 1 1 4 1 0 1 0 2 0 4 3 2 2 1 1 3 3 3 1 1 0 2 0 0 0 0 0 0 0 0 0 43
FERRO-CORPORATION 0 0 0 2 0 0 3 0 0 1 0 2 0 4 1 0 0 0 0 0 2 1 3 4 3 3 1 1 2 1 1 1 0 2 1 2 1 42
UNITED STATES OF AMERICA, NAVY 1 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 2 3 1 1 3 1 6 4 1 1 2 3 1 3 2 0 41
ALCOA INC. 2 1 0 0 0 0 0 0 0 1 1 0 1 1 0 0 2 0 1 3 4 2 5 5 5 3 0 0 0 1 0 0 1 0 0 0 0 39
MINNESOTA MINING AND MANUFACTURING COMPANY 0 1 1 0 1 2 1 0 1 1 1 0 0 0 0 0 0 0 0 4 6 5 2 4 5 3 0 0 0 0 1 0 0 0 0 0 0 39
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 1 0 0 0 2 0 2 0 0 1 2 2 0 0 3 2 1 3 1 2 3 7 0 1 1 1 0 2 0 0 1 0 0 1 0 0 39
OWENS-CORNING FIBERGLAS CORPORATION 0 1 4 0 0 5 2 2 1 0 0 0 1 1 1 0 2 2 0 0 0 0 1 1 0 0 0 4 3 1 1 4 0 0 0 1 0 38
ALLIED-SIGNAL INC. 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3 0 0 1 3 0 2 4 5 7 3 2 2 1 0 0 2 0 0 0 0 37
BAYER AKTIENGESELLSCHAFT 0 0 0 0 0 1 2 0 0 2 2 0 0 0 0 3 0 0 0 0 2 2 5 3 2 4 1 1 2 1 1 0 0 1 0 0 0 35
CARBORUNDUM COMPANY 3 0 2 1 2 2 2 0 0 1 4 1 0 0 0 0 0 0 0 0 0 0 2 1 2 1 3 4 1 1 0 0 0 0 0 0 0 33
ERNST LEITZ WETZLAR GMBH 4 5 5 3 1 2 3 5 1 0 0 1 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
KAISER ALUMINUM + CHEMICAL CORPORATION 2 4 4 0 3 5 2 1 2 2 2 2 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
NIKON CORPORATION 0 0 0 2 0 0 0 0 0 3 2 1 4 0 1 2 0 0 0 0 1 0 0 0 2 0 1 0 1 1 1 1 2 2 2 1 0 30
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 1 1 0 2 4 2 2 0 0 0 0 0 1 1 0 0 0 1 0 1 2 1 1 2 0 1 0 0 1 0 2 0 0 0 0 27
MINOLTA CAMERA CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 21 0 3 27
W. R. GRACE & CO.-CONN. 1 0 1 0 2 2 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 3 3 5 1 3 1 0 0 0 0 0 0 1 0 1 0 27
DOW CORNING CORPORATION 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 3 2 0 3 2 2 1 2 1 3 0 0 2 0 0 1 0 0 0 26
GTE PRODUCTS CORPORATION 0 0 0 1 0 3 0 1 1 0 2 0 0 0 1 0 3 2 3 1 1 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 26
GENERAL REFRACTORIES COMPANY 1 1 5 3 3 4 2 0 1 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
HITACHI, LTD 0 0 0 0 1 0 1 0 1 0 0 0 2 0 2 0 2 3 1 1 1 1 3 1 1 1 0 0 0 0 0 0 0 0 1 0 1 24
UNITED TECHNOLOGIES CORPORATION 0 0 1 0 1 3 1 1 0 0 0 1 1 1 3 1 0 1 0 1 1 1 0 0 0 4 0 1 0 0 0 0 0 0 1 0 0 24
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 6 1 3 2 0 0 1 0 3 1 23
IMPERIAL CHEMICAL INDUSTRIES PLC 0 1 0 0 0 2 4 5 1 1 0 0 0 0 0 0 1 0 1 0 1 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 22
NEC CORPORATION 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 1 0 0 1 1 0 0 0 1 2 2 0 0 1 1 3 0 0 2 1 0 0 22
SHIN ETSU CHEMICAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 2 1 2 5 1 0 0 0 1 0 1 2 1 1 0 22
UBE INDUSTRIES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 1 1 1 3 2 0 1 1 0 1 5 0 1 0 0 0 1 22
FORD MOTOR COMPANY 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 0 2 0 3 1 0 2 2 2 0 2 2 1 0 0 0 0 0 21
HOYA GLASS WORKS, LTD. 0 0 0 4 2 4 4 3 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
TDK ELECTRONICS CO., LTD. 4 1 1 1 0 0 0 1 4 2 0 3 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
SANDVIK AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 1 1 2 1 0 3 0 2 0 3 1 1 1 0 0 0 19
SHINAGAWA REFRACTORIES CO., LTD. 0 0 0 0 0 0 0 0 0 2 0 0 3 0 0 2 0 1 0 2 1 0 1 1 0 1 1 1 1 1 1 0 0 0 0 0 0 19
CORHART REFRACTORIES COMPANY 1 4 4 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 18
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 0 0 0 0 1 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 3 2 4 0 0 0 1 0 0 0 1 0 0 1 1 0 18
PPG INDUSTRIES OHIO INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 3 4 5 18
TAIYO YUDEN CO., LTD. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 4 0 0 0 0 1 0 0 1 1 0 0 0 2 1 0 0 5 1 0 18
CENTRAL GLASS COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 2 0 3 0 1 4 1 0 0 0 0 0 1 1 1 0 0 17
EASTMAN KODAK COMPANY 0 0 0 1 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 3 3 0 2 1 0 0 0 0 17
LIBBEY-OWENS-FORD COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 2 1 1 2 2 4 1 1 0 0 0 0 17
PILKINGTON BROTHERS LIMITED 1 0 1 0 0 0 2 1 3 3 1 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
ELEKTROSCHEMELZWERK KEMPTEN GMBH 1 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1 2 1 0 1 4 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 16
KENNAMETAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 5 2 0 0 0 1 1 0 0 1 0 0 0 0 1 2 16
SAINT GOBAIN/NORTON INDUSTRIAL CERAMICS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 8 2 2 2 1 0 0 0 0 0 16
SCHOTT GLASS TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 0 4 1 2 1 1 1 0 0 0 0 0 0 0 1 1 16
DEGUSSA AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 1 0 2 5 2 0 0 0 0 0 0 1 0 0 1 15
INDRESCO, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 7 2 0 0 0 0 0 0 0 0 0 0 15
UNITED STATES OF AMERICA, ARMY 0 1 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 1 3 0 0 3 0 0 1 0 0 15
WESTINGHOUSE ELECTRIC CORP. 0 0 2 0 0 0 1 1 0 2 1 2 0 1 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 15
ALCAN INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 4 5 0 0 0 0 0 0 1 0 0 0 0 0 0 14
DIDIER-WERKE A.G. 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 2 1 0 1 0 0 2 1 0 0 1 0 0 0 1 0 0 0 14
MITSUBISHI MATERIALS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 5 3 0 2 1 0 0 1 0 0 0 0 14
SOCIETE EUROPEENNE DES PRODUITS REFRACTAIRES 0 0 0 0 0 0 0 0 0 1 1 2 1 1 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 2 0 0 2 0 0 14
SUMITOMO SPECIAL METAL COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 2 1 0 0 1 0 0 2 0 0 0 2 1 0 2 0 14
TOSOH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 2 0 1 0 0 1 0 3 1 1 0 0 0 14
AMERICAN OPTICAL CORPORATION 0 0 0 1 0 1 5 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
BATTELLE MEMORIAL INSTITUTE 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 1 0 2 2 0 0 0 0 0 3 0 0 0 0 0 1 0 0 0 0 13
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 3 2 1 1 0 0 2 1 0 0 0 0 0 0 0 0 0 0 13
GTE LABORATORIES, INC. 0 0 0 0 0 0 0 0 0 3 1 0 1 1 0 0 1 3 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
HOECHST AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 0 0 1 3 1 0 0 0 0 0 0 0 0 13
MOTOROLA, INC. 0 0 0 0 0 0 0 1 0 2 0 0 0 2 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 2 1 1 0 0 0 1 0 13
NIPPON STEEL CORP. 0 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 2 0 0 1 0 1 0 0 0 0 0 1 0 0 1 13
SAINT-GOBAIN VITRAGE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 2 2 1 1 0 0 0 13
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3 1 4 4 13
UNION CARBIDE CORPORATION 3 1 1 0 2 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 3 1 1 0 1 1 0 0 1 0 0 0 0 13
AT&T CORP. 1 1 1 2 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 12
COMBUSTION ENGINEERING INC. 0 0 1 2 0 1 0 0 0 2 0 1 0 0 1 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
DIRECTOR GENERAL OF NATIONAL INSTITUTE FOR RESEARCH IN INORGANIC MATERIALS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 1 1 0 0 0 0 0 0 0 3 0 0 0 0 0 2 1 0 12
ECC INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 2 0 0 0 2 0 0 1 1 0 0 0 0 0 0 12
GUARDIAN INDUSTRIES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 2 3 1 3 12
MITSUBISHI MINING & CEMENT CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 1 1 1 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 12
ROCKWOOL INTERNATIONAL A/S 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 0 2 1 0 1 0 0 1 12
TAM CERAMICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 2 1 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 12
TOSHIBA CERAMICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 1 1 0 0 0 0 0 0 0 1 0 1 1 0 1 2 12
VESUVIUS CRUCIBLE COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 2 0 1 0 0 0 1 0 2 1 2 0 0 12
BABCOCK & WILCOX COMPANY 0 1 0 0 0 1 0 0 0 1 1 0 1 0 2 0 0 0 1 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 11
CHICAGO FIRE BRICK COMPANY 1 0 0 0 0 4 1 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
CORNING S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 2 0 0 0 11
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 2 3 0 1 0 0 2 11
GLAVERBEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 0 1 0 1 0 0 0 2 0 0 0 1 0 1 11
HITACHI METALS LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 2 1 1 0 0 0 0 0 0 2 0 0 1 11
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 1 1 2 1 2 0 0 0 0 11
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 2 0 1 1 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 11
MORGAN CRUCIBLE COMPANY PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 2 3 0 1 0 0 0 1 11
NALCO CHEMICAL COMPANY 0 1 1 0 0 0 0 0 0 0 0 2 1 2 0 1 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 11
OLIN CORPORATION 1 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
RHONE-POULENC CHIMIE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 0 1 0 1 0 0 1 1 0 0 0 0 0 11
SAINT-GOBAIN CERAMICS & PLASTICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 6 3 11
GLAVERBEL S.A. 3 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 10
HERCULES INCORPORATED 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 0 0 0 0 1 1 0 0 0 0 0 0 10
IBIDEN CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 2 3 0 0 0 0 0 0 0 0 0 0 0 1 10
ISOVER SAINT-GOBAIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 4 2 0 0 0 1 10
JOHNS MANVILLE INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 2 1 1 2 0 10
KENNECOTT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
UNITED STATES BORAX + CHEMICAL CORPORATION 1 1 0 3 1 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 2 0 0 1 1 0 1 0 0 0 1 10
AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE (ANVAR) 0 0 2 0 0 1 0 0 0 2 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
CHAMPION SPARK PLUG CO. 0 0 0 0 0 0 0 1 0 3 0 0 1 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
DENKI KAGAKU KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 2 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 9
FOSECO INTERNATIONAL LIMITED 0 0 0 0 2 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 9
IVOCLAR AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 1 1 2 1 0 0 9
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 1 1 3 1 0 0 0 0 9
KUREHA CHEMICAL INDUSTRY CO., LTD. 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
LG ELECTRONICS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 2 2 0 0 9
NARUMI CHINA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 3 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 9
NIPPON TUNGSTEN COMPANY, LTD. 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 9
NIPPONDENSO CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 4 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 9
SUMITOMO CHEMICAL COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 0 2 0 0 0 1 1 0 1 0 9
SUMITOMO METAL MINING COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 9
UNIVERSITY OF FLORIDA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 1 1 0 0 0 1 0 2 0 0 0 0 0 9
3M INNOVATIVE PROPERTIES COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 1 1 8
BENCHMARK STRUCTURAL CERAMICS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 2 0 1 0 0 0 0 0 0 0 0 0 0 8
BOEING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 2 0 0 0 1 0 2 0 8
CHAS. TAYLOR S SONS COMPANY 0 0 0 0 2 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
COOKSON GROUP PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 2 2 0 0 0 0 1 0 0 0 0 0 0 8
ENGELHARD CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 1 1 0 0 1 0 0 0 0 0 0 0 8
ETHYL CORPORATION 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 8
FELDMUHLE AKTIENGESELLSCHAFT 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 1 1 0 0 0 0 0 0 0 1 8
JOHNSON MATTHEY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3 1 2 1 0 0 0 0 0 0 0 0 0 0 0 8
KABUSHIKI KAISHA OHARA KOGAKU GARASU SEIZOSHO 0 0 0 1 0 0 0 0 0 4 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
KUROSAKI REFRACTORIES CO., LTD. 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
KYUSHU REFRACTORIES CO., LTD. 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 8
MARTIN MARIETTA ENERGY SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 8
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 1 0 2 1 0 0 0 0 0 0 8
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 8
NATIONAL SCIENCE COUNCIL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3 1 0 1 1 0 0 0 8
NL INDUSTRIES INC. 1 1 1 0 1 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
OLYMPUS OPTICAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 1 1 0 1 1 0 0 0 8
QUIGLEY COMPANY, INC. 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 3 0 8
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 8
SAINT-GOBAIN INDUSTRIES 0 0 0 1 1 0 1 1 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
SIEMENS AKTIENGESELLSCHAFT 0 0 0 2 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 1 0 8
TOKUYAMA SODA CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 8
UNITED STATES OF AMERICA, AIR FORCE 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 8
UOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 0 0 0 0 0 1 0 0 0 0 1 1 8
ARMSTRONG WORLD INDUSTRIES, INC. 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 7
BASF AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 0 0 0 0 0 7
BRIDGESTONE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 2 1 1 0 0 7
CABOT CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 7
CERDEC AKTIENGESELLSCHAFT KERAMISCHE FARBEN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 1 0 0 0 0 0 7
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 7
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 7
COMPAGNIE DE SAINT-GOBAIN-PONT-A-MOUSSON 1 3 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
EXXON RESEARCH + ENGINEERING CO. 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 7
GENERAL MOTORS CORPORATION 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 7
JOHNS-MANVILLE CORPORATION 1 1 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 2 0 1 0 0 0 0 0 1 0 0 0 0 0 7
NATIONAL RESEARCH DEVELOPMENT CORPORATION 0 0 0 0 0 1 2 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
NORITAKE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 3 7
OSRAM SYLVANIA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 1 0 1 7
RCA CORPORATION 0 0 0 1 1 0 1 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SAINT-GOBAIN VITRAGE INTERNATIONAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 1 0 0 0 1 0 0 7
SPRAGUE ELECTRIC COMPANY 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SUMITA OPTICAL GLASS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 2 0 0 1 0 7
THIELE KAOLIN COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 3 0 0 0 0 0 0 0 7
UNITED KINGDOM ATOMIC ENERGY AUTHORITY 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
WISCONSIN ALUMNI RESEARCH FOUNDATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 0 1 1 1 0 0 0 0 0 0 0 0 7
A. P. GREEN REFRACTORIES CO. 2 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
AGENCY FOR DEFENCE DEVELOPMENT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 2 0 0 6
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 6
BAUSCH & LOMB, INC. 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 6
BETHLEHEM STEEL CORPORATION 1 2 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
CERDEC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 1 0 0 0 0 6
CHEVRON RESEARCH & TECHNOLOGY CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
COORS PORCELAIN COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 6
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 1 0 1 1 6
ENGLISH CLAYS LOVERING POCHIN + COMPANY LIMITED 0 0 1 1 0 0 1 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
FMC CORPORATION 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
FUJI PHOTO FILM CO., LTD 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6
FUJITSU LIMITED 0 0 0 0 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 6
HARIMA CERAMIC CO. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 2 0 0 0 0 0 0 0 0 0 6
HERAEUS QUARZGLAS GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 1 1 0 6
HOECHST CELANESE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ISUZU CERAMICS RESEARCH INSTITUTE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 2 0 0 0 0 0 6
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 1 0 1 0 0 0 0 0 6
KROSAKI CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 0 0 0 0 1 0 0 0 6
LOCKHEED CORPORATION 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MRA LABORATORIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 0 0 2 0 6
NORTH AMERICAN REFRACTORIES CO. INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 6
OSTERREICHISCH-AMERIKANISCHE MAGNESIT AKTIENGESELLSCHAFT 1 0 0 1 0 0 0 0 2 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SAMSUNG CORNING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 2 0 0 0 0 0 6
SANYO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 0 0 0 0 0 0 0 0 0 0 6
SAVOIE REFRACTAIRES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 1 0 0 0 0 1 0 0 0 0 0 0 6
STEMCOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
SWISS ALUMINIUM LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
UNIFRAX CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 2 0 0 0 0 1 6
UNIVERSITY OF ROCHESTER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 6
VEITSCH-RADEX AKTIENGESELLSCHAFT FUR FEUERFESTE ERZEUGNISSE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 1 0 0 0 0 0 0 0 6
A. P. GREEN INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
ALPS ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 5
BASIC INCORPORATED 2 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
COOPER INDUSTRIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 0 0 5
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 1 0 5
DEUTSCHE SPEZIALGLAS AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 5
DYNAMIT NOBEL AKTIENGESELLSCHAFT 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
EFFEM GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GEORGIA TECH RESEARCH CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 5
H. C. SPINKS CLAY COMPANY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 5
HALDOR TOPSOE A/S 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 0 0 1 0 5
HARBISON-WALKER REFRACTORIES COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 1 0 0 0 5
HITACHI CHEMICAL COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5
HOECHST CERAMTEC AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 0 0 0 0 0 0 0 0 5
HUGHES AIRCRAFT COMPANY 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 0 0 0 1 0 1 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 1 0 0 0 5
J. M. HUBER CORPORATION 0 0 1 0 0 0 0 1 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
KAWASAKI STEEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 1 0 0 0 0 5
MAGNECO/METREL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 2 0 0 0 0 0 0 0 0 0 0 5
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 1 0 0 5
MINERALS TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3 1 0 0 0 5
MITSUBISHI CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 1 0 0 0 0 5
MITSUI PETROCHEMICAL INDUSTRIES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NIPPON CRUCIBLE CO., LTD. 0 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
NIPPON PILLAR PACKING CO. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 0 1 0 0 0 0 0 0 5
NIPPON TELEGRAPH & TELEPHONE CORP. 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NISSAN MOTOR COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 1 0 0 0 0 0 0 0 0 0 5
NITTO BOSEKI CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 5
PILKINGTON PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 1 0 0 0 0 0 1 0 0 5
REFRATECHNIK HOLDING GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 5
SCM CORPORATION 0 0 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SHOWA DENKO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 1 0 0 1 5
SONY CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 5
SOUTHERN CLAY PRODUCTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 0 0 0 5
TOA NENRYO KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 5
TOYOTA JIDOSHA K.K. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 5
UNION CARBIDE COATINGS SERVICE TECHNOLOGY CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNIVERSITY OF CHICAGO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 1 0 0 5
UNIVERSITY OF MICHIGAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 5
VEITSCHER MAGNESITWERKE-AKTIENGESELLSCHAFT 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 5
YOSHIDA KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 1 0 0 0 0 0 0 0 0 5


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