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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 1998 - 2002 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 315, Electric Lamp and Discharge Devices: Systems

( 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 58 47 65 63 58 291
U.S. PHILIPS CORPORATION 23 23 30 24 10 110
PHILIPS ELECTRONICS NORTH AMERICA CORP. 10 13 18 24 15 80
GENERAL ELECTRIC COMPANY 10 18 17 9 22 76
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 9 10 11 19 27 76
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 14 13 10 21 16 74
SAMSUNG ELECTRONICS CO., LTD. 16 17 10 14 9 66
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 52 52
MITSUBISHI DENKI KABUSHIKI KAISHA 10 9 6 9 18 52
NEC CORPORATION 9 10 13 6 9 47
SONY CORPORATION 3 5 8 14 14 44
HITACHI, LTD 7 6 6 10 12 41
KOITO MANUFACTURING COMPANY LIMITED 4 9 4 3 13 33
LG ELECTRONICS INC. 6 7 1 7 8 29
MOTOROLA, INC. 5 12 6 3 3 29
CANON KABUSHIKI KAISHA 1 3 9 7 8 28
TOSHIBA CORPORATION 6 2 0 6 13 27
OSRAM SYLVANIA INC. 6 2 9 6 3 26
ROBERT BOSCH GMBH 1 8 8 5 4 26
MATSUSHITA ELECTRIC WORKS, LTD. 2 6 4 6 6 24
LUTRON ELECTRONICS COMPANY, INC. 2 6 4 7 4 23
INTERNATIONAL BUSINESS MACHINES CORPORATION 6 6 1 6 2 21
MICRON TECHNOLOGY, INC. 3 3 5 6 4 21
FUSION LIGHTING, INC. 6 4 2 6 2 20
MATSUSHITA ELECTRONICS CORPORATION 4 5 4 5 1 19
SANYO ELECTRIC CO., LTD. 1 2 3 5 8 19
THOMSON LICENSING S.A. 0 0 2 13 4 19
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 2 1 6 5 5 19
DENSO CORPORATION 1 3 3 6 5 18
ELECTRO-MAG INTERNATIONAL, INC. 0 0 11 7 0 18
APPLIED MATERIALS, INC. 2 4 2 6 3 17
FUJITSU LIMITED 1 0 5 5 6 17
INTERNATIONAL RECTIFIER CORPORATION 4 6 2 5 0 17
MAGNETEK INC. 6 4 4 3 0 17
PIONEER CORPORATION 0 0 1 3 12 16
LAM RESEARCH CORPORATION 1 2 4 4 4 15
LITTON SYSTEMS INC. 2 6 1 6 0 15
SAMSUNG SDI CO., LTD. 0 0 0 5 10 15
CANDESCENT TECHNOLOGIES CORPORATION 1 1 6 3 2 13
ENERGY SAVINGS, INC. 2 4 4 2 1 13
HUGHES ELECTRONICS CORP. 1 2 4 3 3 13
MATSUSHITA ELECTRIC WORKS R&D LABORATORY, INC. 1 3 4 1 4 13
NORTHROP GRUMMAN CORPORATION 2 4 1 0 6 13
HUBBELL INCORPORATED 1 3 4 1 3 12
USHIO DENKI KABUSHIKIKAISHA 0 2 2 2 6 12
THOMSON TUBES ELECTRONIQUES 3 2 3 1 2 11
THOMSON CONSUMER ELECTRONICS, INC. 6 3 1 0 0 10
DUREL CORPORATION 2 0 2 3 2 9
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 2 1 1 1 4 9
SIEMENS AKTIENGESELLSCHAFT 3 1 2 2 1 9
EEV LIMITED 2 3 1 0 2 8
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 1 3 0 2 8
MURATA MANUFACTURING CO., LTD. 1 0 1 4 2 8
SEIKO EPSON CORPORATION 0 0 0 2 6 8
TRIDONIC BAUELEMENTE GMBH 0 0 4 1 3 8
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 1 3 0 1 8
BEACON LIGHT PRODUCTS, INC. 4 3 0 0 0 7
DAEWOO ELECTRONICS COMPANY, LTD. 1 4 2 0 0 7
DEUTSCHE THOMSON-BRANDT GMBH 2 1 2 1 1 7
EASTMAN KODAK COMPANY 1 0 1 2 3 7
HEWLETT-PACKARD COMPANY 0 0 3 1 3 7
PIONEER ELECTRONIC CORPORATION 5 1 1 0 0 7
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 1 0 0 6 7
SGS-THOMSON MICROELECTRONICS S.A. 2 3 2 0 0 7
THOMSON MULTIMEDIA S.A. 0 4 2 1 0 7
GENTEX CORPORATION 0 1 1 1 3 6
HONEYWELL INTERNATIONAL INC. 0 0 0 2 4 6
NISSIN ELECTRIC CO., LTD. 3 0 1 2 0 6
PACIFIC SCIENTIFIC INSTRUMENTS COMPANY 2 4 0 0 0 6
TEXAS INSTRUMENTS, INCORPORATED 1 0 0 2 3 6
TOKYO ELECTRON LIMITED 0 1 0 2 3 6
UNITED STATES OF AMERICA, NAVY 3 3 0 0 0 6
ADVANCED ENERGY INDUSTRIES, INC. 1 1 1 1 1 5
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 1 1 2 1 0 5
CHUNGHWA PICTURE TUBES, LTD. 0 0 0 1 4 5
COLOR KINETICS, INC. 0 0 3 1 1 5
MANNESMANN VDO AG 0 0 0 4 1 5
POWER CIRCUIT INNOVATIONS, INC. 0 0 2 2 1 5
SAMSUNG DISPLAY DEVICES CO., LTD. 2 2 0 1 0 5
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 0 2 3 5
STMICROELECTRONICS S.A. 0 0 1 1 3 5
UNITED STATES OF AMERICA, ARMY 2 0 0 0 3 5


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