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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2004 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 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 12 583
~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 5 285
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 4 134
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 3 125
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 0 115
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 0 112
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 4 104
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 0 100
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 89
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 1 6 8 7 4 7 86
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 78
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 78
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 71
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 65
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 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 62
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 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 58
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 58
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 57
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 54
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 51
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 50
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 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 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 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 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 41
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 25
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 22 0 25
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 24
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 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 22
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 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 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 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 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 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 21
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 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 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 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 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 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 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 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 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 1 0 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 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 17
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 16
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 15
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 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 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 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 14
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 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 14
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 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 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 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 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 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 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 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 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 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 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 13
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 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 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 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 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 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 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 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 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 12
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 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 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 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 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 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 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 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 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 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 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 11
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 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 10
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 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 10
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 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 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 10
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 10
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 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 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 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 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 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 9
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 9
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 9
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 9
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 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 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 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 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 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 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 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 9
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 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 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 9
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 9
UNIVERSITY OF FLORIDA BOARD OF REGENTS 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 9
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 8
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 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 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 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 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 8
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 7
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 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 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 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 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 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 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 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 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 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 7
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 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 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 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 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 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 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 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 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 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 7
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 6
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 5
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 5
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 5
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 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 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 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 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 5


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