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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 445, Electric Lamp or Space Discharge Component or Device Manufacturing

( 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
GTE PRODUCTS CORPORATION 5 8 4 6 7 2 13 4 1 7 3 1 2 2 3 2 9 4 7 1 5 6 10 7 9 1 1 0 0 0 0 0 0 0 0 0 130
U.S. PHILIPS CORPORATION 3 1 6 1 6 10 2 8 3 3 5 6 1 2 6 4 3 2 4 3 5 8 3 5 4 4 4 1 0 4 3 6 0 1 0 0 127
MICRON TECHNOLOGY, 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 3 0 0 0 1 5 9 20 15 22 9 12 97
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 0 0 2 0 1 1 6 3 0 8 15 15 19 25 95
RCA CORPORATION 1 2 3 12 4 6 4 6 6 3 2 7 1 4 10 5 3 5 5 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 91
GENERAL ELECTRIC COMPANY 5 7 5 7 5 5 3 3 1 0 0 2 2 1 2 1 1 2 2 1 0 0 0 3 1 0 1 4 3 7 2 1 2 3 3 4 89
ZENITH ELECTRONICS CORPORATION 1 3 2 2 2 2 2 2 4 2 2 2 2 2 0 1 1 1 3 8 8 11 9 11 2 2 0 0 0 0 0 0 0 0 0 0 87
~Individually Owned Patent 0 4 3 4 6 3 3 1 3 3 1 1 0 0 1 1 0 1 1 1 1 2 1 2 2 3 2 1 5 2 8 5 4 3 4 3 85
SONY CORPORATION 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 2 2 1 3 1 0 2 4 2 4 2 6 8 7 13 5 2 7 5 79
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 4 0 0 0 6 1 5 4 5 9 9 29 76
TOSHIBA CORPORATION 0 3 3 2 0 0 1 0 0 1 1 0 1 3 1 4 1 0 2 3 3 1 1 3 1 0 0 3 1 3 2 4 1 1 4 3 57
HITACHI, LTD 0 2 1 3 0 3 2 1 0 2 3 1 0 0 1 5 1 0 0 2 4 6 0 2 1 0 0 1 0 0 0 0 1 1 1 0 44
CANDESCENT TECHNOLOGIES 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 0 3 4 8 14 4 3 2 1 39
TEXAS INSTRUMENTS, INCORPORATED 0 0 0 1 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 10 8 5 4 0 0 0 1 0 34
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 1 0 5 2 3 0 1 3 0 2 1 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 2 1 3 0 2 2 1 0 33
NEC 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 0 2 2 4 4 6 3 4 4 2 32
MOTOROLA, INC. 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 1 2 0 1 2 6 4 1 2 3 2 30
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 0 0 0 0 1 4 7 9 0 3 0 1 0 3 28
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 5 1 3 1 1 1 0 4 0 0 2 2 26
SAMSUNG DISPLAY DEVICES 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 2 3 6 3 5 5 1 0 0 25
WESTINGHOUSE ELECTRIC CORP. 1 3 3 4 2 5 1 0 2 3 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 25
FUJITSU LIMITED 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 5 3 2 2 1 1 20
SAMSUNG ELECTRON DEVICES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 5 4 4 0 0 0 0 0 0 0 0 0 0 20
UNITED STATES OF AMERICA, ARMY 0 2 0 0 0 0 0 1 0 1 0 1 1 1 0 2 0 0 1 2 3 1 3 0 0 0 0 0 0 0 1 0 0 0 0 0 20
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 0 0 2 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 0 1 1 1 2 2 0 0 3 0 19
NGK SPARK PLUG CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 1 1 2 1 0 0 0 0 1 1 2 5 18
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 3 1 1 2 1 1 2 1 0 17
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 2 2 2 2 4 4 17
S.A.E.S. GETTERS S.P.A. 0 0 1 0 2 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 1 2 2 1 1 0 1 17
OWENS-ILLINOIS INC. 0 0 0 2 1 2 1 4 2 3 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 16
UNITED STATES OF AMERICA, NAVY 0 0 1 0 0 2 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 1 0 3 0 15
VIDEOCOLOR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 0 7 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
KOITO MANUFACTURING COMPANY LIMITED 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 2 0 1 1 0 1 0 0 1 4 2 14
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 2 0 2 1 1 1 1 0 0 3 3 14
UNISYS CORPORATION 0 0 2 1 1 1 2 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 0 0 0 14
MICRON DISPLAY TECHNOLOGY, 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 2 1 6 2 1 0 0 0 0 12
SAMSUNG SDI 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 2 1 6 3 12
MATSUSHITA ELECTRONICS CORPORATION 0 0 0 0 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 2 2 4 1 0 0 0 11
VARIAN ASSOCIATES, INC. 1 0 6 1 0 2 0 0 0 0 0 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 11
ALLIED-SIGNAL INC. 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 0 1 0 0 0 1 2 0 0 1 0 10
COMMISSARIAT A L'ENERGIE ATOMIQUE 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 1 2 1 1 2 2 0 0 0 10
HUGHES AIRCRAFT COMPANY 1 2 2 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 10
ITT CORPORATION 0 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 10
RCA LICENSING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 10
SAMSUNG ELECTRONICS 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 0 0 0 1 1 0 0 0 3 3 0 0 1 10
SIEMENS AKTIENGESELLSCHAFT 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 2 1 0 1 1 0 0 0 0 0 0 0 0 10
YAMAHA 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 0 0 5 4 1 0 0 0 0 10
ADVANCED VISION 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 6 0 0 3 0 0 0 0 9
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 1 0 2 1 1 1 0 1 2 9
CHAMPION SPARK PLUG CO. 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
CORNING INCORPORATED 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 8
DENSO 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 0 0 0 0 1 1 0 4 2 8
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 0 0 0 0 0 0 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 2 8
NORTH AMERICAN PHILIPS CONSUMER ELECTRONICS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 2 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 2 0 0 0 0 1 0 8
GENERAL MOTORS CORPORATION 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 7
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
LITTON SYSTEMS INC. 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 0 1 0 1 0 0 2 0 1 1 0 7
NORTH AMERICAN PHILIPS CORPORATION 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 1 1 0 0 0 0 0 0 0 0 0 0 7
PHILIPS ELECTRONICS NORTH AMERICA 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 0 2 0 2 0 2 1 0 0 0 0 7
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 1 0 0 1 0 0 0 0 0 0 1 0 0 1 3 7
STANLEY ELECTRIC CO., LTD. 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 7
THOMSON LICENSING 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 0 1 0 5 1 7
THOMSON-CSF 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 7
THORN ELECTRICAL INDUSTRIES LIMITED 0 0 0 0 1 4 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 7
CANDESCENT INTELLECTUAL PROPERTY SERVICES, 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 2 1 3 6
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 0 0 1 0 0 0 0 0 0 0 0 0 0 1 4 0 6
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 0 0 0 0 0 0 0 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 3 6
LICENTIA PATENT-VERWALTUNGS-GMBH 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 6
MICROELECTRONICS AND COMPUTER TECHNOLOGY 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 2 3 0 0 0 0 0 0 0 6
ADVANCED LIGHTING 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 0 0 1 0 0 0 2 2 5
GOLDSTAR COMPANY, 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 2 2 0 0 0 0 0 0 0 0 0 5
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 1 2 2 0 0 0 0 0 0 5
NIPPONDENSO CO., LTD. 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 5
PIXTECH 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 1 2 1 0 0 0 1 5
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 5
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 0 0 0 0 0 0 0 0 1 0 1 0 3 5
SI DIAMOND TECHNOLOGY, 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 1 0 2 0 1 1 5
TDK 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 0 0 0 1 1 2 0 0 1 5
THOMSON CONSUMER ELECTRONICS, INC. 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 1 0 0 1 0 0 0 0 0 0 0 5
USHIO DENKI KABUSHIKI KAISYA 0 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 0 0 1 0 1 0 1 5
XEROX CORPORATION 0 0 1 0 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 1 0 0 0 0 0 1 5


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