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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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 65 63 58 70 43 299
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 52 72 25 149
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 11 19 27 37 26 120
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 10 21 16 18 25 90
GENERAL ELECTRIC COMPANY 17 9 22 9 13 70
U.S. PHILIPS CORPORATION 30 24 10 0 0 64
SONY CORPORATION 8 14 14 15 12 63
SAMSUNG ELECTRONICS CO., LTD. 10 14 9 11 17 61
PHILIPS ELECTRONICS NORTH AMERICA CORP. 18 24 15 0 0 57
LG ELECTRONICS INC. 1 7 8 23 16 55
HITACHI, LTD 6 10 12 17 7 52
MITSUBISHI DENKI KABUSHIKI KAISHA 6 9 18 10 9 52
NEC CORPORATION 13 6 9 13 3 44
CANON KABUSHIKI KAISHA 9 7 8 12 7 43
KOITO MANUFACTURING COMPANY LIMITED 4 3 13 13 9 42
OSRAM SYLVANIA INC. 9 6 3 11 12 41
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 6 12 19 37
SAMSUNG SDI CO., LTD. 0 5 10 9 12 36
THOMSON LICENSING S.A. 2 13 4 9 6 34
TOSHIBA CORPORATION 0 6 14 10 3 33
SANYO ELECTRIC CO., LTD. 3 5 8 5 8 29
PIONEER CORPORATION 1 3 12 6 6 28
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 6 5 5 6 5 27
LUTRON ELECTRONICS COMPANY, INC. 4 7 4 4 5 24
MATSUSHITA ELECTRIC WORKS, LTD. 4 6 6 5 3 24
DENSO CORPORATION 3 6 5 4 5 23
USHIO DENKI KABUSHIKI KAISYA 2 2 6 5 7 22
FUJITSU LIMITED 5 5 6 4 1 21
ROBERT BOSCH GMBH 8 5 4 2 2 21
LAM RESEARCH CORPORATION 4 4 4 5 3 20
APPLIED MATERIALS, INC. 2 6 3 6 2 19
COLOR KINETICS, INC. 3 1 1 5 8 18
ELECTRO-MAG INTERNATIONAL, INC. 11 7 0 0 0 18
TOKYO ELECTRON LIMITED 0 2 3 4 9 18
LG. PHILIPS LCD CO., LTD. 0 0 2 4 11 17
MOTOROLA, INC. 6 3 3 2 3 17
SEIKO EPSON CORPORATION 0 2 6 8 1 17
MICRON TECHNOLOGY, INC. 5 6 4 1 0 16
HUBBELL INCORPORATED 4 1 3 4 3 15
INTERNATIONAL RECTIFIER CORPORATION 2 5 0 5 3 15
CANDESCENT TECHNOLOGIES CORPORATION 6 3 1 1 1 12
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 2 3 6 1 12
AU OPTRONICS CORP. 0 0 3 1 7 11
FUSION LIGHTING, INC. 2 6 2 1 0 11
HONEYWELL INTERNATIONAL INC. 0 2 4 1 4 11
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 6 2 1 1 11
MATSUSHITA ELECTRONICS CORPORATION 4 5 1 0 1 11
NORTHROP GRUMMAN CORPORATION 1 0 6 3 1 11
DUREL CORPORATION 2 3 2 3 0 10
EASTMAN KODAK COMPANY 1 2 3 2 2 10
HUGHES ELECTRONICS CORP. 4 3 3 0 0 10
MATSUSHITA ELECTRIC WORKS R&D LABORATORY, INC. 4 1 4 1 0 10
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 2 0 4 2 10
FUJITSU HITACHI PLASMA DISPLAY LIMITED 0 0 2 5 2 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 0 2 2 2 9
NATIONAL SEMICONDUCTOR CORPORATION 0 1 1 5 2 9
FUSION UV SYSTEMS, INC. 0 0 2 4 2 8
HEWLETT-PACKARD COMPANY 3 1 3 1 0 8
SIEMENS MEDICAL SOLUTIONS USA, INC. 0 0 4 3 1 8
STMICROELECTRONICS S.A. 1 1 3 2 1 8
TRIDONIC BAUELEMENTE GMBH 4 1 3 0 0 8
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 0 1 3 1 8
ADVANCED ENERGY INDUSTRIES, INC. 1 1 1 1 3 7
AMBIT MICROSYSTEMS CORPORATION 0 1 1 2 3 7
ENERGY SAVINGS, INC. 4 2 1 0 0 7
FUJI PHOTO FILM CO., LTD 0 1 3 2 1 7
LITTON SYSTEMS INC. 1 6 0 0 0 7
MAGNETEK INC. 4 3 0 0 0 7
MURATA MANUFACTURING CO., LTD. 1 4 2 0 0 7
THOMSON TUBES ELECTRONIQUES 3 1 2 1 0 7
VISTEON GLOBAL TECHNOLOGIES, INC. 0 2 2 1 2 7
AEROSPACE OPTICS, INC. 0 1 1 3 1 6
CHUNGHWA PICTURE TUBES, LTD. 0 1 4 1 0 6
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 0 4 0 2 0 6
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 1 1 4 0 0 6
GENTEX CORPORATION 1 1 3 1 0 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 1 0 1 3 6
NEC MICROWAVE TUBE, LTD. 0 0 0 2 4 6
NIPPON SHEET GLASS CO., LTD. 0 1 1 3 1 6
NISSIN ELECTRIC CO., LTD. 1 2 0 2 1 6
O2 MICRO INTERNATIONAL LTD. 0 0 1 3 2 6
RAYTHEON COMPANY 1 0 1 3 1 6
ROHM COMPANY LIMITED 0 1 1 1 3 6
SIEMENS AKTIENGESELLSCHAFT 2 2 1 0 1 6
STMICROELECTRONICS S.R.L. 1 0 1 3 1 6
TEXAS INSTRUMENTS, INCORPORATED 0 2 3 1 0 6
VALEO VISION 1 1 1 1 2 6
ACCESS BUSINESS GROUP INTERNATIONAL LLC 0 0 0 0 5 5
AXCELIS TECHNOLOGIES, INC. 0 2 0 3 0 5
FUTABA CORPORATION 0 0 1 1 3 5
GELCORE, LLC 0 1 2 0 2 5
INFOCUS CORPORATION 0 0 2 3 0 5
INTEL CORPORATION 1 0 1 2 1 5
LEVITON MANUFACTURING CO. INC. 0 2 1 2 0 5
LIGHT & SOUND DESIGN, LTD. 0 2 0 3 0 5
LIGHTECH ELECTRONICS INDUSTRIES, LTD. 1 1 0 2 1 5
MANNESMANN VDO AG 0 4 1 0 0 5
MONOLITHIC POWER SYSTEMS, INC. 1 1 1 1 1 5
POWER CIRCUIT INNOVATIONS, INC. 2 2 1 0 0 5
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION 0 0 0 3 2 5
SEIKO INSTRUMENTS INC. 0 1 2 0 2 5
STANLEY ELECTRIC CO., LTD. 1 1 1 2 0 5
UNITED STATES OF AMERICA, ARMY 0 0 3 2 0 5
YAZAKI CORP. 0 0 2 1 2 5


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