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

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2008 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 505, Superconductor Technology: Apparatus, Material, Process

( 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 2006 2007 2008 Total
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 14 13 24 45 31 39 31 21 13 10 4 5 1 5 3 0 1 1 0 263
~INDIVIDUALLY OWNED PATENT 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 4 5 10 8 6 9 7 8 3 8 6 5 2 3 4 5 1 1 0 98
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 6 10 3 8 3 4 4 2 1 2 3 1 2 1 0 57
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 6 11 14 6 2 1 0 0 3 0 1 0 1 0 0 1 0 0 54
HITACHI, LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 6 7 5 4 5 6 1 2 2 2 1 1 1 0 0 0 0 0 48
AMERICAN SUPERCONDUCTOR CORPORATION 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 1 3 3 9 4 5 7 4 1 1 1 0 1 45
E. I. DU PONT DE NEMOURS AND COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 8 3 4 6 3 3 0 4 1 1 0 0 0 1 1 0 0 0 41
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 3 5 6 4 1 6 1 3 0 0 0 0 0 0 1 0 0 37
UNITED STATES OF AMERICA, NAVY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 8 4 8 1 0 0 1 1 2 1 1 0 0 1 0 0 0 36
FUJITSU LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 5 3 7 0 1 1 0 1 0 1 0 0 2 3 1 4 0 35
HOECHST AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 10 4 5 2 1 3 1 1 0 0 0 0 0 0 0 0 30
AT&T CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 7 5 5 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 28
GENERAL ELECTRIC COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 5 2 3 0 3 3 1 1 0 0 0 0 0 2 0 0 1 0 28
EASTMAN KODAK COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 8 7 5 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 27
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 8 6 4 1 1 0 2 0 0 0 0 0 0 0 0 0 0 27
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 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 3 3 2 1 0 3 1 2 2 2 2 2 0 0 0 27
SUPERCONDUCTOR TECHNOLOGIES, INC. 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 3 1 2 3 0 2 3 0 2 2 0 3 0 1 1 25
UNITED STATES OF AMERICA, ARMY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 3 2 1 1 2 3 1 2 1 1 1 0 0 0 0 0 0 1 1 25
UNIVERSITY OF ARKANSAS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 6 8 4 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 24
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5 0 4 0 2 1 0 3 0 0 1 2 1 0 1 1 1 23
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 6 0 1 3 1 1 1 1 1 0 0 0 0 0 0 0 21
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 2 0 2 2 0 1 2 1 1 3 0 0 0 0 0 0 21
GENERAL ATOMIC COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 7 10 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 20
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY 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 2 2 0 0 2 3 0 3 1 1 0 0 0 0 0 20
TRW 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 0 0 0 3 0 2 4 4 4 0 1 0 0 0 0 0 19
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 2 3 2 1 1 3 0 2 2 1 0 1 0 0 0 18
TOKYO UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 4 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 17
WESTINGHOUSE ELECTRIC CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 5 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
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 2 4 3 3 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 16
SIEMENS AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 2 2 2 0 0 0 0 0 1 1 1 0 1 0 0 0 0 16
U.S. PHILIPS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
ILLINOIS SUPERCONDUCTOR CORPORATION, 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 0 1 1 1 1 3 3 3 1 0 0 0 0 0 0 0 15
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 4 2 2 1 2 0 0 1 0 0 0 0 0 1 0 0 0 0 15
HEWLETT-PACKARD COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 0 5 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 14
NGK INSULATORS LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 3 0 3 1 0 0 0 0 0 0 0 0 0 0 0 14
FURUKAWA 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 1 3 3 4 1 0 0 1 0 0 0 0 0 0 0 0 0 0 13
ALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE 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 3 1 2 0 0 0 0 0 0 0 0 0 0 12
ALFRED UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 1 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 12
ALLIED-SIGNAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 4 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 12
BELL COMMUNICATIONS RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 5 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
CONDUCTUS, 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 2 1 0 0 1 1 0 0 1 1 1 0 1 1 1 12
FUJIKURA LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 3 0 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 12
NEC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 0 2 0 0 0 0 1 2 0 0 1 0 0 0 1 0 12
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 3 2 0 1 0 0 1 0 0 0 0 0 0 0 0 0 12
FORSCHUNGSZENTRUM JULICH GMBH 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 3 0 0 0 0 1 2 3 0 0 0 0 0 0 11
NIPPON STEEL 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 1 2 1 2 2 1 0 0 1 0 1 0 0 0 0 0 11
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 1 0 3 3 1 0 0 0 0 3 0 0 0 0 0 0 0 0 0 11
LUCENT 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 0 0 0 3 0 1 0 1 0 4 0 0 1 0 0 10
STANFORD UNIVERSITY 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 2 0 0 0 0 1 0 0 1 0 0 0 0 0 0 10
W. R. GRACE & CO.-CONN. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 5 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
COM DEV 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 2 0 1 1 2 1 2 0 0 0 0 0 0 9
INTERNATIONAL SUPERCONDUCTOR CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
MITSUBISHI METAL CO., 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
UT-BATTELLE, LLC 0 0 0 0 0 0 0 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 1 2 1 1 0 0 1 9
ARCH DEVELOPMENT CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
ASEA BROWN BOVERI LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8
BIOMAGNETIC TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 8
CANON KABUSHIKI KAISHA 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 5 0 0 0 0 0 0 0 0 0 0 0 0 8
MOTOROLA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
MURATA MANUFACTURING 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 4 0 4 0 0 0 0 0 0 8
UNIVERSITY OF HOUSTON-UNIVERSITY PARK 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 3 2 0 0 0 0 0 1 0 0 0 0 1 0 0 8
HUGHES AIRCRAFT COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
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 1 2 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 7
MITSUBISHI KINZOKU KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SUPERPOWER, 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 0 0 0 0 1 4 2 0 7
TELEFONAKTIEBOLAGET LM ERICSSON 0 0 0 0 0 0 0 0 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 0 0 1 0 0 7
UNITED STATES OF AMERICA, DEPARTMENT OF COMMERCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 7
BOEING 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 1 2 0 1 1 0 0 1 0 0 0 0 0 6
GTE LABORATORIES, INC. 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 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
NORTHWESTERN UNIVERSITY 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 1 0 0 0 0 0 0 0 1 0 0 1 0 0 6
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
THOMSON-CSF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
TROY INVESTMENTS INC. 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
UNITED STATES OF AMERICA, AIR FORCE 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 2 0 0 0 0 0 0 0 0 1 0 0 0 1 0 6
UNIVERSITY OF COLORADO FOUNDATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
UNIVERSITY OF KANSAS 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 1 0 0 1 1 0 0 1 0 0 0 0 0 0 6
AISIN SEIKI KABUSHIKI KAISHA 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 1 0 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 0 0 0 0 1 3 0 0 0 0 0 0 0 1 5
FLORIDA STATE UNIVERSITY 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 0 0 1 0 0 1 0 0 0 0 0 0 5
FORD MOTOR COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GEC ALSTHOM SA 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GENERAL MOTORS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
KYOCERA 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 0 0 2 0 0 1 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 0 0 0 0 0 0 2 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 5
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 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NIPPON TELEGRAPH & TELEPHONE 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 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 5
OKI ELECTRIC INDUSTRY 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 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 5
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 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 1 0 0 0 0 0 0 0 0 0 0 0 0 5
UNIVERSITY OF HOUSTON 0 0 0 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 1 0 2 0 0 0 0 0 0 0 5



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