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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 2001 - 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 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 2001 2002 2003 2004 2005 Total
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 9 38 66 55 54 222
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 31 82 67 27 207
SAMSUNG SDI CO., LTD. 5 37 50 63 35 190
LG ELECTRONICS INC. 19 26 59 40 23 167
HITACHI, LTD 32 45 44 25 12 158
CANON KABUSHIKI KAISHA 15 20 36 31 25 127
TOSHIBA CORPORATION 33 26 26 21 15 121
GENERAL ELECTRIC COMPANY 11 23 36 27 22 119
SONY CORPORATION 19 26 27 22 15 109
~Individually Owned Patent 19 23 27 18 14 101
MICRON TECHNOLOGY, INC. 22 23 23 16 5 89
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 17 16 20 17 13 83
NEC CORPORATION 20 29 15 11 4 79
OSRAM SYLVANIA INC. 16 13 11 23 12 75
THOMSON LICENSING S.A. 4 9 19 29 14 75
USHIO DENKI KABUSHIKI KAISYA 10 14 15 15 14 68
NGK SPARK PLUG CO., LTD. 11 8 18 21 6 64
SAMSUNG DISPLAY DEVICES CO., LTD. 31 17 3 1 1 53
FUJITSU LIMITED 9 6 12 8 15 50
PIONEER CORPORATION 3 11 15 13 8 50
U.S. PHILIPS CORPORATION 30 14 2 0 0 46
LG PHILIPS DISPLAYS KOREA CO., LTD. 0 0 1 21 21 43
DENSO CORPORATION 5 3 9 13 8 38
TDK CORPORATION 17 8 5 3 1 34
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 2 3 17 3 7 32
EASTMAN KODAK COMPANY 4 2 3 10 11 30
CANDESCENT TECHNOLOGIES CORPORATION 9 4 5 6 5 29
MITSUBISHI DENKI KABUSHIKI KAISHA 3 6 14 3 3 29
SEIKO EPSON CORPORATION 0 3 5 9 10 27
SANYO ELECTRIC CO., LTD. 1 1 7 4 12 25
AU OPTRONICS CORP. 0 0 11 7 6 24
KOITO MANUFACTURING COMPANY LIMITED 4 5 7 5 3 24
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 4 6 14 24
MATSUSHITA ELECTRONICS CORPORATION 20 3 0 0 0 23
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 5 4 5 7 2 23
ASAHI GLASS COMPANY, LTD. 2 4 6 7 3 22
LG. PHILIPS LCD CO., LTD. 0 0 4 5 13 22
NGK INSULATORS LTD. 2 3 6 7 3 21
ROBERT BOSCH GMBH 0 4 6 5 5 20
MOTOROLA, INC. 3 8 4 0 4 19
SAMSUNG ELECTRONICS CO., LTD. 2 2 2 5 8 19
FUTABA CORPORATION 0 6 6 3 3 18
PIONEER ELECTRONIC CORPORATION 12 4 1 0 0 17
SI DIAMOND TECHNOLOGY, INC. 2 2 4 4 5 17
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED 3 1 4 4 4 16
NIPPON ELECTRIC GLASS COMPANY LIMITED 1 2 2 6 5 16
CHUNGHWA PICTURE TUBES, LTD. 1 1 2 6 5 15
DAI NIPPON PRINTING CO. LTD 1 3 6 2 3 15
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 2 7 6 15
IDEMITSU KOSAN COMPANY LIMITED 2 4 4 1 4 15
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 1 5 6 0 15
CORNING INCORPORATED 5 7 2 0 0 14
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 6 7 1 0 14
PRINCETON UNIVERSITY 3 1 5 1 4 14
SARNOFF CORPORATION & CO., LTD. 1 5 5 2 1 14
INTERNATIONAL BUSINESS MACHINES CORPORATION 3 4 3 2 1 13
MATSUSHITA ELECTRIC WORKS, LTD. 2 1 4 5 1 13
INTEL CORPORATION 1 3 0 6 2 12
LUMILEDS LIGHTING, U.S., LLC 0 1 4 3 2 10
ORION ELECTRIC CO., LTD. 2 1 4 0 3 10
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 1 4 3 2 10
SIEMENS AKTIENGESELLSCHAFT 1 3 5 1 0 10
3M INNOVATIVE PROPERTIES COMPANY 0 2 3 1 3 9
AGILENT TECHNOLOGIES, INC. 0 1 2 5 1 9
APPLIED MATERIALS, INC. 0 4 3 1 1 9
EXTREME DEVICES, INC. 3 4 1 1 0 9
FEDERAL-MOGUL WORLD WIDE, INC. 3 2 1 1 2 9
PHILIPS ELECTRONICS NORTH AMERICA CORP. 8 1 0 0 0 9
TOYODA GOSEI KABUSHIKI KAISHA 0 0 2 2 5 9
XEROX CORPORATION 0 3 1 4 1 9
CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC. 0 4 1 2 1 8
DUREL CORPORATION 0 3 1 4 0 8
EMAGIN CORPORATION 6 0 1 0 1 8
FUSION LIGHTING, INC. 5 2 1 0 0 8
ADVANCED LIGHTING TECHNOLOGIES, INC. 0 1 1 4 1 7
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 1 2 1 3 0 7
FUJI PHOTO FILM CO., LTD 1 0 2 2 2 7
FUJITSU HITACHI PLASMA DISPLAY LIMITED 0 1 2 1 3 7
LITTON SYSTEMS INC. 2 2 0 1 2 7
NEC MICROWAVE TUBE, LTD. 0 0 5 2 0 7
UNIVERSAL DISPLAY CORPORATION 0 0 3 1 3 7
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 2 0 2 1 7
ACER DISPLAY TECHNOLOGY, INC. 1 2 3 0 0 6
ADVANCED ELECTRON BEAMS, INC. 0 1 2 2 1 6
BATTELLE MEMORIAL INSTITUTE 1 0 4 0 1 6
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 1 2 0 2 6
HARISON TOSHIBA LIGHTING CORP. 0 1 2 1 2 6
HON HAI PRECISION IND. CO., LTD. 0 0 0 5 1 6
PHOENIX ELECTRIC CO., LTD. 2 1 2 1 0 6
ROHM COMPANY LIMITED 1 0 3 2 0 6
TORAY INDUSTRIES INC. 1 1 3 0 1 6
UNITED STATES OF AMERICA, NAVY 2 1 1 2 0 6
AGERE SYSTEMS INC. 0 0 3 2 0 5
DELPHI TECHNOLOGIES, INC. 0 0 2 2 1 5
DELTA OPTOELECTRONICS, INC. 0 2 0 2 1 5
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 2 0 1 2 0 5
HERAEUS NOBLELIGHT GMBH 0 1 2 2 0 5
HONEYWELL INTERNATIONAL INC. 2 2 0 0 1 5
ITT MANUFACTURING ENTERPRISES, INC. 1 1 2 1 0 5
NEC LCD TECHNOLOGIES, LTD. 0 0 4 0 1 5
NICHIA CORPORATION 0 0 2 1 2 5
NIPPON SHEET GLASS CO., LTD. 1 1 1 2 0 5
NORITAKE CO., LTD. 0 0 0 1 4 5
OSRAM OPTO SEMICONDUCTORS GMBH 0 0 0 0 5 5
RITDISPLAY CORPORATION 0 0 2 1 2 5
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 1 1 0 1 2 5
TOYO KOHAN CO., LTD. 0 0 2 2 1 5
VICTOR COMPANY OF JAPAN, LIMITED 1 2 0 2 0 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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