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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 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 2005 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 0 130
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 16 19 25 33 129
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 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 5 102
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 4 93
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 17 93
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 0 91
~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 3 88
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 0 87
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 6 85
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 2 59
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 1 45
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 0 39
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 1 34
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 0 34
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 1 33
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 2 32
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 1 29
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 2 28
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 5 25
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 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 0 25
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 5 22
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 3 22
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 0 20
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 8 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 0 20
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 1 19
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 2 19
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 0 17
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 3 17
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 3 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 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 1 16
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 0 15
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 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 1 13
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 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 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 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 0 10
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 2 10
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 1 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 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 0 10
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 2 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 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 0 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 0 10
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 3 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 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 0 9
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 1 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 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 0 8
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 2 8
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 1 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 0 8
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 3 8
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 1 8
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 2 7
EASTMAN KODAK 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 0 1 1 2 3 7
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 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 0 7
LG. PHILIPS LCD 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 0 0 2 5 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 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 0 7
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 2 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 0 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 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 0 7
AU OPTRONICS 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 0 0 0 0 0 0 0 0 0 4 2 6
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 0 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 0 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 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 0 6
SCIENCE APPLICATIONS INTERNATIONAL 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 0 0 0 2 2 2 6
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 1 6
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 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 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 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 0 5
RITDISPLAY 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 0 0 0 1 2 2 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 0 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 0 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 0 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 0 5


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