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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 323, Electricity: Power Supply or Regulation 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
NATIONAL SEMICONDUCTOR CORPORATION 10 10 18 14 17 69
TEXAS INSTRUMENTS, INCORPORATED 18 13 15 10 12 68
INTERSIL AMERICAS INC. 10 6 18 11 9 54
~INDIVIDUALLY OWNED PATENT 8 11 11 10 7 47
ROHM COMPANY LIMITED 3 12 9 11 8 43
RICOH COMPANY, LTD. 1 4 5 16 15 41
INFINEON TECHNOLOGIES AG 10 8 10 6 4 38
FUJITSU LIMITED 5 4 8 12 8 37
POWER INTEGRATIONS, INC. 7 5 7 8 7 34
INTERNATIONAL RECTIFIER CORPORATION 5 3 9 8 5 30
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 3 3 8 10 6 30
INTEL CORPORATION 6 4 4 8 7 29
LINEAR TECHNOLOGY CORPORATION 7 2 4 7 9 29
MICREL INCORPORATED 1 2 8 9 7 27
STMICROELECTRONICS S.R.L. 2 10 5 4 3 24
ANALOG DEVICES, INC. 1 5 8 5 4 23
RENESAS TECHNOLOGY CORPORATION 3 2 5 7 6 23
RICHTEK TECHNOLOGY CORP. 0 6 4 9 4 23
KONINKLIJKE PHILIPS ELECTRONICS N.V. 10 0 7 1 2 20
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 4 4 6 2 4 20
SEIKO INSTRUMENTS INC. 5 2 5 3 4 19
FYRE STORM, INC. 2 10 3 3 0 18
MICRON TECHNOLOGY, INC. 7 5 2 2 2 18
DENSO CORPORATION 1 3 5 6 1 16
MARVELL WORLD TRADE LTD. 0 4 5 4 3 16
INTERNATIONAL BUSINESS MACHINES CORPORATION 3 2 3 2 5 15
POWER-ONE, INC. 0 1 6 3 5 15
SAMSUNG ELECTRONICS CO., LTD. 2 3 3 3 4 15
STMICROELECTRONICS S.A. 3 6 1 1 4 15
ATMEL CORPORATION 0 2 3 5 3 13
DELTA ELECTRONICS INC. 1 3 4 3 2 13
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 4 2 2 3 2 13
BROADCOM CORPORATION 0 3 3 2 4 12
FREESCALE SEMICONDUCTOR, INC. 1 0 3 4 4 12
TDK CORPORATION 3 2 6 1 0 12
AIMTRON TECHNOLOGY CORP. 0 3 2 5 1 11
SYSTEM-GENERAL CORPORATION 2 3 2 2 2 11
O2 MICRO INTERNATIONAL LTD. 0 3 2 1 4 10
OKI ELECTRIC INDUSTRY CO., LTD. 2 5 1 1 1 10
PRIMARION, INC. 4 3 0 2 1 10
WINBOND ELECTRONICS CORP. 2 2 2 2 2 10
SANKEN ELECTRIC COMPANY LIMITED 0 0 1 6 2 9
SIEMENS AKTIENGESELLSCHAFT 1 1 2 2 3 9
UIS ABLER ELECTRONICS CO., LTD. 1 4 2 1 1 9
ASTEC INTERNATIONAL, LTD. 1 2 4 0 1 8
DIALOG SEMICONDUCTOR GMBH 0 1 2 4 1 8
FAIRCHILD SEMICONDUCTOR CORPORATION 1 3 1 0 3 8
MICROSEMI CORP. 2 1 4 0 1 8
NXP B.V. 0 0 0 4 4 8
SILICON LABORATORIES INC. 0 0 0 0 8 8
MITSUBISHI DENKI KABUSHIKI KAISHA 2 2 1 1 1 7
MURATA MANUFACTURING CO., LTD. 1 1 0 4 1 7
NEC ELECTRONICS CORPORATION 1 0 1 2 3 7
SEIKO EPSON CORPORATION 1 2 2 1 1 7
TOSHIBA CORPORATION 0 2 1 3 1 7
COMARCO WIRELESS TECHNOLOGIES, INC. 3 0 0 2 1 6
DELL PRODUCTS, L.P. 1 0 0 1 4 6
MARVELL INTERNATIONAL LTD. 0 2 1 2 1 6
POWER-ONE LIMITED 2 4 0 0 0 6
RF MICRO DEVICES, INC. 1 1 1 1 2 6
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. 2 0 1 3 0 6
CANON KABUSHIKI KAISHA 1 0 0 3 1 5
CYPRESS SEMICONDUCTOR CORP. 0 0 2 1 2 5
FARADAY TECHNOLOGY CORPORATION 0 1 0 3 1 5
HITACHI, LTD 1 1 1 2 0 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 0 0 2 2 5
KIAWE FOREST, LLC 0 0 4 1 0 5
MEDIATEK INC. 0 0 3 0 2 5
SEMTECH CORPORATION 1 0 0 1 3 5
SIGMATEL INC. 0 1 1 2 1 5
SONY CORPORATION 2 0 3 0 0 5
TEXAS INSTRUMENTS DEUTSCHLAND GMBH 0 0 1 1 3 5
THOMSON LICENSING S.A. 0 1 2 2 0 5
VIA TECHNOLOGIES, INC. 0 1 1 0 3 5
VLT, INC. 1 1 2 1 0 5
XANTREX TECHNOLOGY INC. 0 1 1 0 3 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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