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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 313, Electric Lamp and Discharge Devices

( 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
U.S. PHILIPS CORPORATION 66 47 35 30 14 192
HITACHI, LTD 26 29 29 32 45 161
TOSHIBA CORPORATION 19 18 27 33 27 124
~Individually Owned Patent 23 31 22 19 23 118
SAMSUNG DISPLAY DEVICES CO., LTD. 27 17 23 31 17 115
NEC CORPORATION 17 22 24 20 29 112
SONY CORPORATION 13 20 16 19 26 94
GENERAL ELECTRIC COMPANY 30 19 9 11 23 92
LG ELECTRONICS INC. 6 13 12 19 26 76
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 16 8 15 17 16 72
OSRAM SYLVANIA INC. 13 19 10 16 13 71
MICRON TECHNOLOGY, INC. 3 9 13 22 23 70
CANON KABUSHIKI KAISHA 9 15 10 15 20 69
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 10 6 6 9 38 69
MATSUSHITA ELECTRONICS CORPORATION 10 19 12 20 3 64
MOTOROLA, INC. 20 13 20 3 8 64
USHIO DENKI KABUSHIKIKAISHA 8 11 4 10 14 47
NGK SPARK PLUG CO., LTD. 8 10 9 11 8 46
SAMSUNG SDI CO., LTD. 0 0 0 5 37 42
CANDESCENT TECHNOLOGIES CORPORATION 4 9 13 9 4 39
PHILIPS ELECTRONICS NORTH AMERICA CORP. 12 11 6 8 1 38
TDK CORPORATION 1 3 9 17 8 38
PIONEER ELECTRONIC CORPORATION 5 9 7 12 4 37
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 16 6 8 2 0 32
INTERNATIONAL BUSINESS MACHINES CORPORATION 10 12 2 3 4 31
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 31 31
MITSUBISHI DENKI KABUSHIKI KAISHA 8 3 10 3 6 30
FUJITSU LIMITED 1 6 5 9 6 27
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 11 8 2 0 6 27
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 5 13 1 2 3 24
FUSION LIGHTING, INC. 5 6 3 5 2 21
DENSO CORPORATION 1 4 6 5 3 19
STANLEY ELECTRIC CO., LTD. 1 9 8 1 0 19
KOITO MANUFACTURING COMPANY LIMITED 3 6 0 4 5 18
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 5 1 2 5 4 17
THOMSON LICENSING S.A. 0 0 3 4 9 16
PIONEER CORPORATION 0 0 0 3 11 14
PRINCETON UNIVERSITY 2 3 5 3 1 14
SI DIAMOND TECHNOLOGY, INC. 2 3 5 2 2 14
CORNING INCORPORATED 1 0 0 5 7 13
MATSUSHITA ELECTRIC WORKS R&D LABORATORY, INC. 7 0 2 2 2 13
NIPPONDENSO CO., LTD. 6 5 1 1 0 13
ASAHI GLASS COMPANY, LTD. 2 1 3 2 4 12
PIXTECH S.A. 3 3 4 1 1 12
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 1 4 2 2 12
EASTMAN KODAK COMPANY 0 1 4 4 2 11
IDEMITSU KOSAN COMPANY LIMITED 0 3 2 2 4 11
ST. CLAIR INTELLECTUAL PROPERTY CONSULTANTS, INC. 0 4 4 3 0 11
CHUNGHWA PICTURE TUBES, LTD. 1 1 6 1 1 10
DAI NIPPON PRINTING CO. LTD 1 3 2 1 3 10
DUREL CORPORATION 5 1 1 0 3 10
ORION ELECTRIC CO., LTD. 3 1 3 2 1 10
ROBERT BOSCH GMBH 3 2 1 0 4 10
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED 1 4 0 3 1 9
MICRON DISPLAY TECHNOLOGY, INC. 5 3 1 0 0 9
NGK INSULATORS LTD. 1 0 3 2 3 9
SAMSUNG ELECTRONICS CO., LTD. 1 3 1 2 2 9
ADVANCED VISION TECHNOLOGIES, INC. 3 3 1 1 0 8
FED CORPORATION 2 3 2 1 0 8
FEDERAL-MOGUL WORLD WIDE, INC. 0 1 2 3 2 8
SARNOFF CORPORATION & CO., LTD. 0 0 2 1 5 8
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 0 3 3 1 8
TEKTRONIX INC. 1 4 3 0 0 8
THOMSON TUBES & DISPLAYS, S.A. 3 3 1 0 1 8
VICTOR COMPANY OF JAPAN, LIMITED 4 0 1 1 2 8
COMMISSARIAT A L'ENERGIE ATOMIQUE 3 0 2 1 1 7
EMAGIN CORPORATION 0 0 1 6 0 7
EXTREME DEVICES, INC. 0 0 0 3 4 7
HEWLETT-PACKARD COMPANY 5 1 1 0 0 7
LITTON SYSTEMS INC. 0 2 1 2 2 7
XEROX CORPORATION 1 1 2 0 3 7
ALLIED-SIGNAL INC. 0 1 3 1 1 6
E. I. DU PONT DE NEMOURS AND COMPANY 0 0 4 1 1 6
FUTABA CORPORATION 0 0 0 0 6 6
GOLDSTAR COMPANY, LTD. 4 1 0 1 0 6
HERAEUS NOBLELIGHT GMBH 0 4 1 0 1 6
ITT MANUFACTURING ENTERPRISES, INC. 0 2 2 1 1 6
LUCENT TECHNOLOGIES INC. 4 2 0 0 0 6
PLANAR SYSTEMS, INC. 2 1 0 2 1 6
S.A.E.S. GETTERS S.P.A. 1 0 4 0 1 6
SMITHS INDUSTRIES LIMITED 2 2 1 0 1 6
TEXAS INSTRUMENTS, INCORPORATED 2 2 1 1 0 6
UNITED STATES OF AMERICA, NAVY 2 0 1 2 1 6
WINSOR CORPORATION 2 2 2 0 0 6
APPLIED MATERIALS, INC. 1 0 0 0 4 5
GL DISPLAYS, INC. 1 0 0 3 1 5
GTE PRODUCTS CORPORATION 3 0 2 0 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 1 1 1 5
ILC TECHNOLOGY, INC. 1 2 1 1 0 5
MATSUSHITA ELECTRIC WORKS, LTD. 1 1 0 2 1 5
SEIKO EPSON CORPORATION 2 0 0 0 3 5
SIEMENS AKTIENGESELLSCHAFT 0 0 1 1 3 5
THOMSON CONSUMER ELECTRONICS, INC. 1 3 1 0 0 5
THOMSON TUBES ELECTRONIQUES 2 1 2 0 0 5
WELCH ALLYN INC. 1 3 0 0 1 5


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