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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 43 54 47 36 23 203
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH 25 10 25 22 16 98
KONINKLIJKE PHILIPS ELECTRONICS N.V. 25 18 10 16 14 83
SAMSUNG ELECTRONICS CO., LTD. 17 11 11 18 21 78
OSRAM SYLVANIA INC. 12 7 17 25 13 74
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 26 20 16 5 6 73
KOITO MANUFACTURING COMPANY LIMITED 9 10 11 15 12 57
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 19 10 15 7 5 56
LG ELECTRONICS INC. 16 12 11 9 4 52
GENERAL ELECTRIC COMPANY 13 10 5 5 12 45
SAMSUNG SDI CO., LTD. 12 7 11 6 4 40
USHIO DENKI KABUSHIKI KAISYA 7 8 9 6 8 38
LG. PHILIPS LCD CO., LTD. 11 4 2 11 8 36
LUTRON ELECTRONICS COMPANY, INC. 5 3 10 12 6 36
COLOR KINETICS, INC. 8 7 6 12 0 33
AU OPTRONICS CORP. 7 5 4 9 7 32
INTERNATIONAL RECTIFIER CORPORATION 3 7 6 7 9 32
MATSUSHITA ELECTRIC WORKS, LTD. 3 10 8 0 11 32
CANON KABUSHIKI KAISHA 7 7 6 7 1 28
HITACHI, LTD 7 8 7 4 2 28
MICROSEMI CORP. 0 5 3 16 4 28
MITSUBISHI DENKI KABUSHIKI KAISHA 9 2 7 4 4 26
TOKYO ELECTRON LIMITED 9 4 6 2 2 23
HON HAI PRECISION IND. CO., LTD. 2 1 1 4 12 20
SANYO ELECTRIC CO., LTD. 8 2 7 1 2 20
SONY CORPORATION 12 2 2 2 2 20
ZIPPY TECHNOLOGY CORP. 1 4 4 8 3 20
ROHM COMPANY LIMITED 3 4 5 3 4 19
MONOLITHIC POWER SYSTEMS, INC. 1 2 0 6 9 18
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 6 6 3 2 18
SEIKO EPSON CORPORATION 1 6 3 4 3 17
PIONEER CORPORATION 6 3 4 2 1 16
EASTMAN KODAK COMPANY 2 5 6 1 1 15
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 3 0 4 4 4 15
THOMSON LICENSING S.A. 6 2 4 3 0 15
DENSO CORPORATION 5 1 2 2 3 13
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 5 1 2 3 2 13
UNIVERSAL LIGHTING TECHNOLOGIES, INC. 1 0 5 2 5 13
E2V TECHNOLOGIES (UK) LTD. 1 1 1 7 2 12
HARISON TOSHIBA LIGHTING CORP. 1 5 1 4 1 12
LAM RESEARCH CORPORATION 3 7 0 1 1 12
O2 MICRO INTERNATIONAL LTD. 2 1 0 3 6 12
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 2 1 4 4 12
ACCESS BUSINESS GROUP INTERNATIONAL LLC 5 1 0 2 3 11
BEN Q CORPORATION 2 2 4 3 0 11
NATIONAL SEMICONDUCTOR CORPORATION 2 2 6 0 1 11
NGK INSULATORS LTD. 1 4 3 2 1 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 2 4 2 11
TDK CORPORATION 1 1 1 6 2 11
HONEYWELL INTERNATIONAL INC. 4 0 2 0 4 10
NEC MICROWAVE TUBE, LTD. 4 0 5 0 1 10
TOHOKU PIONEER CORPORATION 0 2 4 3 1 10
TOSHIBA CORPORATION 3 2 3 1 1 10
BEYOND INNOVATION TECHNOLOGY CO., LTD. 0 1 3 3 2 9
DELTA ELECTRONICS INC. 1 2 0 4 2 9
LUXIM CORPORATION 1 1 0 0 7 9
PHILIPS SOLID-STATE LIGHTING SOLUTIONS, INC. 0 0 0 0 9 9
TRIDONICATCO GMBH & CO. KG 3 2 2 0 2 9
DARFON ELECTRONICS CORP. 0 1 1 3 3 8
FUJITSU HITACHI PLASMA DISPLAY LIMITED 2 3 2 1 0 8
FUNAI ELECTRIC CO., LTD. 0 1 1 2 4 8
HITACHI DISPLAYS, LTD. 0 1 3 3 1 8
NEC CORPORATION 3 1 2 1 1 8
ADVANCED ENERGY INDUSTRIES, INC. 3 1 1 2 0 7
BRUCE INDUSTRIES, INC. 2 2 2 1 0 7
MOTOROLA, INC. 3 1 0 1 2 7
STMICROELECTRONICS S.A. 1 2 4 0 0 7
ZOND, INC. 2 2 1 0 2 7
APPLIED MATERIALS, INC. 2 3 0 1 0 6
DIALIGHT CORPORATION 1 0 4 1 0 6
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 2 1 1 2 0 6
HUBBELL INCORPORATED 2 1 2 0 1 6
INTERSIL AMERICAS INC. 1 1 3 0 1 6
KRONOS ADVANCED TECHNOLOGIES, INC. 1 2 1 2 0 6
MICRON TECHNOLOGY, INC. 0 2 3 1 0 6
NORDSON CORPORATION 2 2 2 0 0 6
SIEMENS MEDICAL SOLUTIONS USA, INC. 1 1 2 2 0 6
SYSTEM-GENERAL CORPORATION 0 0 0 4 2 6
AZOTEQ (PTY) LIMITED 1 1 0 1 2 5
BAYCO PRODUCTS INCORPORATED 0 0 1 1 3 5
CHI MEI OPTOELECTRONICS CORP. 1 1 1 1 1 5
FUJITSU LIMITED 1 3 1 0 0 5
INTEL CORPORATION 1 1 0 2 1 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 3 0 0 5
JEFFERSON SCIENCE ASSOCIATES, LLC 0 0 1 1 3 5
LIEN CHANG ELECTRONIC ENTERPRISE CO., LTD. 0 0 2 3 0 5
LITE-ON TECHNOLOGY CORPORATION 0 1 1 1 2 5
OSRAM OPTO SEMICONDUCTORS GMBH 2 0 0 0 3 5
PHOENIX ELECTRIC CO., LTD. 3 1 0 0 1 5
SIEMENS AKTIENGESELLSCHAFT 1 1 1 2 0 5
TOYODA GOSEI KABUSHIKI KAISHA 0 1 2 0 2 5
VALEO VISION 2 0 0 1 2 5
YAZAKI CORP. 2 2 0 1 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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