Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
~INDIVIDUALLY OWNED PATENT 14 9 18 20 12 73
POWER INTEGRATIONS, INC. 6 11 16 14 23 70
SYSTEM-GENERAL CORPORATION 10 13 11 14 17 65
SANKEN ELECTRIC COMPANY LIMITED 17 16 17 5 4 59
DELTA ELECTRONICS INC. 9 8 9 9 7 42
GENERAL ELECTRIC COMPANY 2 6 6 10 13 37
SAMSUNG ELECTRONICS CO., LTD. 1 6 6 12 8 33
MITSUBISHI DENKI KABUSHIKI KAISHA 1 2 11 8 9 31
ROHM COMPANY LIMITED 8 7 8 5 2 30
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 7 3 9 4 4 27
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 2 1 3 11 7 24
TDK CORPORATION 3 7 3 6 3 22
HITACHI, LTD 0 1 6 5 9 21
SONY CORPORATION 13 5 0 2 1 21
HONEYWELL INTERNATIONAL INC. 3 4 3 7 2 19
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 0 6 6 2 5 19
SIEMENS AKTIENGESELLSCHAFT 1 1 5 3 9 19
ACTIVE-SEMI, INC. 0 0 2 5 11 18
INTERNATIONAL RECTIFIER CORPORATION 6 4 2 2 4 18
TEXAS INSTRUMENTS, INCORPORATED 2 3 0 6 7 18
MURATA MANUFACTURING CO., LTD. 1 4 4 6 2 17
TOYOTA JIDOSHA K.K. 1 3 1 7 5 17
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 2 3 5 3 3 16
O2 MICRO INTERNATIONAL LTD. 3 2 7 3 1 16
PANASONIC CORPORATION 0 0 3 8 5 16
DENSO CORPORATION 3 0 5 6 1 15
INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD. 0 0 0 8 7 15
IWATT, INC. 1 3 6 1 4 15
CAMBRIDGE SEMICONDUCTOR LIMITED 1 2 6 2 3 14
FUJI ELECTRIC SYSTEMS CO., LTD. 1 0 0 7 5 13
INFINEON TECHNOLOGIES AG 2 4 0 5 2 13
ASTEC INTERNATIONAL, LTD. 3 3 6 0 0 12
FAIRCHILD SEMICONDUCTOR CORPORATION 2 1 3 2 4 12
STMICROELECTRONICS S.R.L. 3 4 1 2 2 12
ABB (SCHWEIZ) AG 1 2 3 3 2 11
ABB OY 1 2 3 2 3 11
DAIKIN INDUSTRIES LIMITED 1 1 1 2 6 11
DELL PRODUCTS, L.P. 3 0 2 4 2 11
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 0 2 3 1 5 11
KONINKLIJKE PHILIPS ELECTRONICS N.V. 2 1 3 3 2 11
LEADTREND TECHNOLOGY CORPORATION 0 1 4 2 4 11
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 7 4 0 0 0 11
NIKO SEMICONDUCTOR CO., LTD. 4 2 0 0 5 11
RICHTEK TECHNOLOGY CORP. 1 1 4 3 2 11
VLT, INC. 2 3 3 1 2 11
ZIPPY TECHNOLOGY CORP. 3 1 4 0 3 11
NXP B.V. 3 2 0 1 4 10
SANYO ELECTRIC CO., LTD. 3 1 1 1 4 10
TOSHIBA CORPORATION 0 2 2 4 2 10
VACON OYJ 4 1 1 3 1 10
ANALOG DEVICES, INC. 0 1 5 1 2 9
COMARCO WIRELESS TECHNOLOGIES, INC. 3 3 3 0 0 9
FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD. 2 1 2 3 1 9
HAMILTON SUNDSTRAND CORPORATION 1 1 0 2 5 9
NATIONAL SEMICONDUCTOR CORPORATION 0 4 0 3 2 9
NISSAN MOTOR COMPANY, LIMITED 0 0 3 5 1 9
ON-BRIGHT ELECTRONICS (SHANGHAI) CO., LTD. 0 1 2 5 1 9
RENESAS TECHNOLOGY CORPORATION 4 1 3 1 0 9
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 0 2 1 5 9
SMA SOLAR TECHNOLOGY AG. 0 1 0 4 4 9
ABB RESEARCH LTD. 1 2 3 2 0 8
EATON CORPORATION 0 1 2 3 2 8
FLEXTRONICS AP, LLC 0 0 0 4 4 8
LOCKHEED MARTIN CORPORATION 0 0 3 2 3 8
RENESAS ELECTRONICS CORP. 0 0 0 1 7 8
SILICON LABORATORIES INC. 1 3 2 1 1 8
THOMSON LICENSING 1 3 1 2 1 8
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. 3 0 2 2 1 8
VOLTERRA SEMICONDUCTOR CORPORATION 1 1 2 2 2 8
ALSTOM TECHNOLOGY LTD 0 2 1 3 1 7
FSP TECHNOLOGY INC. 0 1 0 2 4 7
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 1 0 0 4 2 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 2 1 1 3 7
INFINEON TECHNOLOGIES AUSTRIA AG 0 0 1 2 4 7
KABUSHIKI KAISHA YASKAWA DENKI 0 0 3 3 1 7
LIEN CHANG ELECTRONIC ENTERPRISE CO., LTD. 3 4 0 0 0 7
SYNQOR, INC. 3 0 2 1 1 7
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 0 2 3 1 0 6
GRENERGY OPTO, INC. 0 0 0 1 5 6
INTERSIL AMERICAS INC. 0 0 0 2 4 6
LG ELECTRONICS INC. 0 2 3 0 1 6
MARVELL INTERNATIONAL LTD. 1 1 0 2 2 6
MITSUMI ELECTRIC CO., LTD. 0 0 2 2 2 6
ABB TECHNOLOGY LTD. 1 1 0 1 2 5
ABLEREX ELECTRONICS CO., LTD. 0 0 0 2 3 5
AGERE SYSTEMS INC. 0 1 1 2 1 5
AMERICAN POWER CONVERSION CORPORATION 0 0 2 0 3 5
CIRRUS LOGIC, INC. 0 0 0 2 3 5
DET INTERNATIONAL HOLDING LIMITED 0 2 1 2 0 5
FLEXTRONICS INTERNATIONAL USA, INC. 0 0 0 4 1 5
FUJITSU LIMITED 1 1 1 2 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 0 1 2 0 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 2 1 2 0 5
LINEAR TECHNOLOGY CORPORATION 1 2 1 1 0 5
MKS INSTRUMENTS, INC. 2 2 1 0 0 5
NEC ELECTRONICS CORPORATION 1 2 2 0 0 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 1 1 1 1 5
SIEMENS AKTIENGESELLSCHAFT OSTERREICH 1 1 2 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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports