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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 363, Electric Power Conversion 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 2006 2007 2008 2009 2010 Total
~INDIVIDUALLY OWNED PATENT 15 14 9 18 20 76
SANKEN ELECTRIC COMPANY LIMITED 8 17 16 17 5 63
SYSTEM-GENERAL CORPORATION 10 10 13 11 14 58
POWER INTEGRATIONS, INC. 10 6 11 16 14 57
DELTA ELECTRONICS INC. 12 9 8 9 9 47
ROHM COMPANY LIMITED 8 8 7 8 5 36
SAMSUNG ELECTRONICS CO., LTD. 7 1 6 6 12 32
SONY CORPORATION 7 13 5 0 2 27
GENERAL ELECTRIC COMPANY 2 2 6 6 10 26
MITSUBISHI DENKI KABUSHIKI KAISHA 1 1 2 11 8 23
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 7 3 9 4 23
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 5 2 1 3 11 22
O2 MICRO INTERNATIONAL LTD. 5 3 2 7 3 20
HONEYWELL INTERNATIONAL INC. 2 3 4 3 7 19
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 8 7 4 0 0 19
TDK CORPORATION 0 3 7 3 6 19
DENSO CORPORATION 4 3 0 5 6 18
MURATA MANUFACTURING CO., LTD. 3 1 4 4 6 18
ASTEC INTERNATIONAL, LTD. 5 3 3 6 0 17
INFINEON TECHNOLOGIES AG 6 2 4 0 5 17
KONINKLIJKE PHILIPS ELECTRONICS N.V. 8 2 1 3 3 17
INTERNATIONAL RECTIFIER CORPORATION 1 6 4 2 2 15
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 1 0 6 6 2 15
TEXAS INSTRUMENTS, INCORPORATED 4 2 3 0 6 15
HITACHI, LTD 2 0 1 6 5 14
TOYOTA JIDOSHA K.K. 2 1 3 1 7 14
COMARCO WIRELESS TECHNOLOGIES, INC. 4 3 3 3 0 13
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 2 3 5 3 13
ABB OY 4 1 2 3 2 12
FAIRCHILD SEMICONDUCTOR CORPORATION 4 2 1 3 2 12
IWATT, INC. 1 1 3 6 1 12
VACON OYJ 3 4 1 1 3 12
CAMBRIDGE SEMICONDUCTOR LIMITED 0 1 2 6 2 11
PANASONIC CORPORATION 0 0 0 3 8 11
STMICROELECTRONICS S.R.L. 1 3 4 1 2 11
ZIPPY TECHNOLOGY CORP. 3 3 1 4 0 11
DELL PRODUCTS, L.P. 1 3 0 2 4 10
KABUSHIKI KAISHA YASKAWA DENKI 4 0 0 3 3 10
RENESAS TECHNOLOGY CORPORATION 1 4 1 3 1 10
RICHTEK TECHNOLOGY CORP. 1 1 1 4 3 10
SIEMENS AKTIENGESELLSCHAFT 0 1 1 5 3 10
THOMSON LICENSING 3 1 3 1 2 10
VLT, INC. 1 2 3 3 1 10
ABB (SCHWEIZ) AG 0 1 2 3 3 9
ON-BRIGHT ELECTRONICS (SHANGHAI) CO., LTD. 1 0 1 2 5 9
SYNQOR, INC. 3 3 0 2 1 9
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. 2 3 0 2 2 9
ABB RESEARCH LTD. 0 1 2 3 2 8
ANALOG DEVICES, INC. 1 0 1 5 1 8
DET INTERNATIONAL HOLDING LIMITED 3 0 2 1 2 8
FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD. 0 2 1 2 3 8
FUJI ELECTRIC SYSTEMS CO., LTD. 0 1 0 0 7 8
INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD. 0 0 0 0 8 8
LEADTREND TECHNOLOGY CORPORATION 1 0 1 4 2 8
LIEN CHANG ELECTRONIC ENTERPRISE CO., LTD. 1 3 4 0 0 8
LOCKHEED MARTIN CORPORATION 3 0 0 3 2 8
NATIONAL SEMICONDUCTOR CORPORATION 1 0 4 0 3 8
NIKO SEMICONDUCTOR CO., LTD. 2 4 2 0 0 8
NISSAN MOTOR COMPANY, LIMITED 0 0 0 3 5 8
TOSHIBA CORPORATION 0 0 2 2 4 8
ACTIVE-SEMI, INC. 0 0 0 2 5 7
EATON CORPORATION 1 0 1 2 3 7
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 1 1 1 1 7
SILICON LABORATORIES INC. 0 1 3 2 1 7
ALSTOM TECHNOLOGY LTD 0 0 2 1 3 6
BALLARD POWER SYSTEMS CORPORATION 3 3 0 0 0 6
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 0 0 2 3 1 6
FRIWO MOBILE POWER GMBH 2 2 2 0 0 6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 2 0 1 2 6
INTERSIL AMERICAS INC. 4 0 0 0 2 6
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 0 0 2 3 1 6
LG ELECTRONICS INC. 1 0 2 3 0 6
LINEAR TECHNOLOGY CORPORATION 1 1 2 1 1 6
NXP B.V. 0 3 2 0 1 6
SAMSUNG ELECTRO-MECHANICS CO., LTD. 2 1 0 2 1 6
SANYO ELECTRIC CO., LTD. 0 3 1 1 1 6
SIEMENS AKTIENGESELLSCHAFT OSTERREICH 1 1 1 2 1 6
STMICROELECTRONICS S.A. 2 2 1 1 0 6
VOLTERRA SEMICONDUCTOR CORPORATION 0 1 1 2 2 6
ADVANCED ENERGY INDUSTRIES, INC. 1 1 1 1 1 5
CANON KABUSHIKI KAISHA 1 1 2 1 0 5
DAIKIN INDUSTRIES LIMITED 0 1 1 1 2 5
FUJITSU LIMITED 0 1 1 1 2 5
HAMILTON SUNDSTRAND CORPORATION 1 1 1 0 2 5
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD. 1 0 1 2 1 5
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 1 0 0 4 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 2 1 2 5
KOITO MANUFACTURING COMPANY LIMITED 1 2 2 0 0 5
MITSUMI ELECTRIC CO., LTD. 1 0 0 2 2 5
MKS INSTRUMENTS, INC. 0 2 2 1 0 5
NEC ELECTRONICS CORPORATION 0 1 2 2 0 5
RICOH COMPANY, LTD. 1 1 0 2 1 5
SMA SOLAR TECHNOLOGY AG. 0 0 1 0 4 5
THALES 1 1 0 1 2 5
TYCO ELECTRONICS POWER SYSTEMS, INC. 4 1 0 0 0 5
WISCONSIN ALUMNI RESEARCH FOUNDATION 3 0 0 1 1 5


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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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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