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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 2000 - 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 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 2000 2001 2002 2003 2004 Total
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 31 82 67 180
HITACHI, LTD 29 32 45 44 25 175
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 6 9 38 66 55 174
LG ELECTRONICS INC. 12 19 26 59 40 156
SAMSUNG SDI CO., LTD. 0 5 37 50 63 155
TOSHIBA CORPORATION 27 33 26 26 21 133
CANON KABUSHIKI KAISHA 10 15 20 36 31 112
SONY CORPORATION 16 19 26 27 22 110
~Individually Owned Patent 22 19 23 27 18 109
GENERAL ELECTRIC COMPANY 9 11 23 36 27 106
NEC CORPORATION 24 20 29 15 11 99
MICRON TECHNOLOGY, INC. 13 22 23 23 16 97
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 15 17 16 20 18 86
U.S. PHILIPS CORPORATION 35 30 14 2 0 81
SAMSUNG DISPLAY DEVICES CO., LTD. 23 31 17 3 1 75
OSRAM SYLVANIA INC. 10 16 13 11 22 72
NGK SPARK PLUG CO., LTD. 9 11 8 18 21 67
THOMSON LICENSING S.A. 3 4 9 19 29 64
USHIO DENKI KABUSHIKI KAISYA 4 10 14 15 15 58
PIONEER CORPORATION 0 3 11 15 13 42
TDK CORPORATION 9 17 8 5 3 42
FUJITSU LIMITED 5 9 6 12 8 40
CANDESCENT TECHNOLOGIES CORPORATION 13 9 4 5 6 37
DENSO CORPORATION 6 5 3 9 13 36
MITSUBISHI DENKI KABUSHIKI KAISHA 10 3 6 14 3 36
MATSUSHITA ELECTRONICS CORPORATION 12 20 3 0 0 35
MOTOROLA, INC. 20 3 8 4 0 35
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 1 2 3 17 3 26
PIONEER ELECTRONIC CORPORATION 7 12 4 1 0 24
EASTMAN KODAK COMPANY 4 4 2 3 10 23
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 2 5 4 5 7 23
ASAHI GLASS COMPANY, LTD. 3 2 4 6 7 22
LG PHILIPS DISPLAYS KOREA CO., LTD. 0 0 0 1 21 22
KOITO MANUFACTURING COMPANY LIMITED 0 4 5 7 5 21
NGK INSULATORS LTD. 3 2 3 6 7 21
AU OPTRONICS CORP. 0 0 0 11 7 18
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 3 1 5 6 18
SEIKO EPSON CORPORATION 0 0 3 5 9 17
SI DIAMOND TECHNOLOGY, INC. 5 2 2 4 4 17
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 0 6 7 1 16
ROBERT BOSCH GMBH 1 0 4 6 5 16
CHUNGHWA PICTURE TUBES, LTD. 6 1 1 2 5 15
FUTABA CORPORATION 0 0 6 6 3 15
PHILIPS ELECTRONICS NORTH AMERICA CORP. 6 8 1 0 0 15
PRINCETON UNIVERSITY 5 3 1 5 1 15
SANYO ELECTRIC CO., LTD. 2 1 1 7 4 15
SARNOFF CORPORATION & CO., LTD. 2 1 5 5 2 15
CORNING INCORPORATED 0 5 7 2 0 14
DAI NIPPON PRINTING CO. LTD 2 1 3 6 2 14
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 3 4 3 2 14
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 8 2 0 1 2 13
IDEMITSU KOSAN COMPANY LIMITED 2 2 4 4 1 13
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED 0 3 1 4 4 12
MATSUSHITA ELECTRIC WORKS, LTD. 0 2 1 4 5 12
SAMSUNG ELECTRONICS CO., LTD. 1 2 2 2 5 12
AGILENT TECHNOLOGIES, INC. 3 0 1 2 5 11
FUSION LIGHTING, INC. 3 5 2 1 0 11
NIPPON ELECTRIC GLASS COMPANY LIMITED 0 1 2 2 6 11
SIEMENS AKTIENGESELLSCHAFT 1 1 3 5 1 11
STANLEY ELECTRIC CO., LTD. 8 1 0 0 2 11
INTEL CORPORATION 0 1 3 0 6 10
ORION ELECTRIC CO., LTD. 3 2 1 4 0 10
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 0 4 6 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 4 2 2 0 2 10
XEROX CORPORATION 2 0 3 1 4 10
DUREL CORPORATION 1 0 3 1 4 9
EXTREME DEVICES, INC. 0 3 4 1 1 9
FEDERAL-MOGUL WORLD WIDE, INC. 2 3 2 1 1 9
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 2 7 9
LG. PHILIPS LCD CO., LTD. 0 0 0 4 5 9
APPLIED MATERIALS, INC. 0 0 4 3 1 8
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 1 1 2 1 3 8
EMAGIN CORPORATION 1 6 0 1 0 8
LUMILEDS LIGHTING, U.S., LLC 0 0 1 4 3 8
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 1 4 3 8
CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC. 0 0 4 1 2 7
E. I. DU PONT DE NEMOURS AND COMPANY 4 1 1 1 0 7
ITT MANUFACTURING ENTERPRISES, INC. 2 1 1 2 1 7
NEC MICROWAVE TUBE, LTD. 0 0 0 5 2 7
PIXTECH S.A. 4 1 1 0 1 7
S.A.E.S. GETTERS S.P.A. 4 0 1 0 2 7
ST. CLAIR INTELLECTUAL PROPERTY CONSULTANTS, INC. 4 3 0 0 0 7
UNITED STATES OF AMERICA, NAVY 1 2 1 1 2 7
3M INNOVATIVE PROPERTIES COMPANY 0 0 2 3 1 6
ACER DISPLAY TECHNOLOGY, INC. 0 1 2 3 0 6
ADVANCED LIGHTING TECHNOLOGIES, INC. 0 0 1 1 4 6
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 1 2 0 6
HERAEUS NOBLELIGHT GMBH 1 0 1 2 2 6
LITTON SYSTEMS INC. 1 2 2 0 1 6
MATSUSHITA ELECTRIC WORKS R&D LABORATORY, INC. 2 2 2 0 0 6
PHOENIX ELECTRIC CO., LTD. 0 2 1 2 1 6
ROHM COMPANY LIMITED 0 1 0 3 2 6
TORAY INDUSTRIES INC. 1 1 1 3 0 6
TOYO KOHAN CO., LTD. 2 0 0 2 2 6
VICTOR COMPANY OF JAPAN, LIMITED 1 1 2 0 2 6
ADVANCED ELECTRON BEAMS, INC. 0 0 1 2 2 5
AGERE SYSTEMS INC. 0 0 0 3 2 5
ALLIED-SIGNAL INC. 3 1 1 0 0 5
BATTELLE MEMORIAL INSTITUTE 0 1 0 4 0 5
FUJI PHOTO FILM CO., LTD 0 1 0 2 2 5
HON HAI PRECISION IND. CO., LTD. 0 0 0 0 5 5
NIPPON SHEET GLASS CO., LTD. 0 1 1 1 2 5
UNIVERSITY OF ILLINOIS 1 1 0 1 2 5


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