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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
POWER INTEGRATIONS, INC. 16 14 23 36 35 124
~INDIVIDUALLY OWNED PATENT 18 20 12 15 17 82
SYSTEM-GENERAL CORPORATION 11 14 17 8 11 61
GENERAL ELECTRIC COMPANY 6 10 13 11 14 54
SANKEN ELECTRIC COMPANY LIMITED 17 5 4 13 14 53
MITSUBISHI DENKI KABUSHIKI KAISHA 11 8 9 7 14 49
DELTA ELECTRONICS INC. 9 9 7 10 12 47
SAMSUNG ELECTRONICS CO., LTD. 6 12 8 5 12 43
SIEMENS AKTIENGESELLSCHAFT 5 3 9 9 12 38
PANASONIC CORPORATION 3 8 5 7 11 34
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 3 11 7 9 3 33
HITACHI, LTD 6 5 9 3 7 30
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 9 4 4 5 8 30
MURATA MANUFACTURING CO., LTD. 4 6 2 6 9 27
DAIKIN INDUSTRIES LIMITED 1 2 6 9 6 24
ACTIVE-SEMI, INC. 2 5 11 4 0 22
SAMSUNG ELECTRO-MECHANICS CO., LTD. 2 1 5 8 6 22
ABB TECHNOLOGY AG 0 0 0 7 14 21
DENSO CORPORATION 5 6 1 4 5 21
FUJI ELECTRIC CO., LTD. 0 0 0 10 11 21
STMICROELECTRONICS S.R.L. 1 2 2 10 6 21
NXP B.V. 0 1 4 3 12 20
ON-BRIGHT ELECTRONICS (SHANGHAI) CO., LTD. 2 5 1 5 7 20
SMA SOLAR TECHNOLOGY AG. 0 4 4 7 5 20
FLEXTRONICS AP, LLC 0 4 4 5 6 19
INFINEON TECHNOLOGIES AG 0 5 2 5 7 19
TEXAS INSTRUMENTS, INCORPORATED 0 6 7 3 3 19
INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD. 0 8 7 3 0 18
IWATT, INC. 6 1 4 4 3 18
TOYOTA JIDOSHA K.K. 1 7 5 2 3 18
GM GLOBAL TECHNOLOGY OPERATIONS LLC 5 3 3 1 5 17
RICHTEK TECHNOLOGY CORP. 4 3 2 2 6 17
TOSHIBA CORPORATION 2 4 2 1 8 17
FAIRCHILD SEMICONDUCTOR CORPORATION 3 2 4 4 3 16
HONEYWELL INTERNATIONAL INC. 3 7 2 4 0 16
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 4 2 3 7 16
MONOLITHIC POWER SYSTEMS, INC. 0 0 1 8 7 16
ABB RESEARCH LTD. 3 2 0 1 9 15
ROHM CO., LTD. 8 5 2 0 0 15
SOLARBRIDGE TECHNOLOGIES, INC. 0 1 1 6 7 15
TDK CORPORATION 3 6 3 2 1 15
ABB OY 3 2 3 3 3 14
ASTEC INTERNATIONAL, LTD. 6 0 0 4 4 14
CAMBRIDGE SEMICONDUCTOR LIMITED 6 2 3 1 2 14
IDEAL POWER CONVERTERS, INC. 1 1 0 2 10 14
INTERNATIONAL RECTIFIER CORPORATION 2 2 4 5 1 14
KONINKLIJKE PHILIPS ELECTRONICS N.V. 3 3 2 4 2 14
LEADTREND TECHNOLOGY CORPORATION 4 2 4 2 2 14
RENESAS ELECTRONICS CORP. 0 1 7 3 3 14
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 6 2 5 0 1 14
HAMILTON SUNDSTRAND CORPORATION 0 2 5 2 4 13
FUJI ELECTRIC SYSTEMS CO., LTD. 0 7 5 0 0 12
KABUSHIKI KAISHA YASKAWA DENKI 3 3 1 3 2 12
ABB TECHNOLOGY LTD. 0 1 2 7 1 11
O2 MICRO INTERNATIONAL LTD. 7 3 1 0 0 11
ABB (SCHWEIZ) AG 3 3 2 2 0 10
ACBEL POLYTECH, INC. 1 1 2 6 0 10
BCD SEMICONDUCTOR MANUFACTURING LIMITED 0 0 4 2 4 10
FSP TECHNOLOGY INC. 0 2 4 2 2 10
INFINEON TECHNOLOGIES AUSTRIA AG 1 2 4 1 2 10
INTERSIL AMERICAS INC. 0 2 4 1 3 10
MITSUMI ELECTRIC CO., LTD. 2 2 2 3 1 10
NISSAN MOTOR COMPANY, LIMITED 3 5 1 1 0 10
ANALOG DEVICES, INC. 5 1 2 0 1 9
CHICONY POWER TECHNOLOGY CO., LTD. 0 1 3 4 1 9
CIRRUS LOGIC, INC. 0 2 3 2 2 9
DELL PRODUCTS, L.P. 2 4 2 0 1 9
HUAWEI TECHNOLOGIES CO., LTD. 0 0 1 4 4 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 1 3 2 2 9
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 3 1 5 0 0 9
LOCKHEED MARTIN CORPORATION 3 2 3 0 1 9
SANYO ELECTRIC CO., LTD. 1 1 4 1 2 9
CANON KABUSHIKI KAISHA 1 0 0 4 3 8
EATON CORPORATION 2 3 2 1 0 8
ENECSYS LIMITED 1 0 0 1 6 8
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 2 0 1 4 8
NATIONAL SEMICONDUCTOR CORPORATION 0 3 2 2 1 8
NIKO SEMICONDUCTOR CO., LTD. 0 0 5 2 1 8
ORIGIN ELECTRIC CO., LTD. 2 0 1 1 4 8
RICOH COMPANY, LTD. 2 1 0 2 3 8
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 3 2 3 8
THOMSON LICENSING S.A. 1 2 1 1 3 8
ZIPPY TECHNOLOGY CORP. 4 0 3 1 0 8
ALSTOM TECHNOLOGY LTD 1 3 1 0 2 7
AMERICAN POWER CONVERSION CORPORATION 2 0 3 2 0 7
MARVELL INTERNATIONAL LTD. 0 2 2 2 1 7
OMRON CORPORATION 1 0 0 2 4 7
SANSHA ELECTRIC MANUFACTURING CO., LTD. 2 0 0 3 2 7
SCHNEIDER TOSHIBA INVERTER EUROPE SAS 1 1 0 1 4 7
SONY CORPORATION 0 2 1 1 3 7
VACON OYJ 1 3 1 1 1 7
VLT, INC. 3 1 2 0 1 7
VOLTERRA SEMICONDUCTOR CORPORATION 2 2 2 0 1 7
ABLEREX ELECTRONICS CO., LTD. 0 2 3 1 0 6
AMS AG 0 2 1 2 1 6
APPLE, INC. 0 1 0 3 2 6
FLEXTRONICS INTERNATIONAL USA, INC. 0 4 1 0 1 6
FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD. 2 3 1 0 0 6
GRENERGY OPTO, INC. 0 1 5 0 0 6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 2 0 2 1 6
O2 MICRO, INC. 0 0 0 3 3 6
SYNQOR, INC. 2 1 1 1 1 6
TECO-WESTINGHOUSE MOTOR COMPANY 0 1 2 3 0 6
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION 0 0 0 1 5 6
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. 2 2 1 1 0 6
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 3 1 0 1 0 5
ENPHASE ENERGY, INC. 0 2 2 0 1 5
HARRIS CORP. 0 2 1 2 0 5
LINEAR TECHNOLOGY CORPORATION 1 1 0 0 3 5
POWER-ONE, INC. 0 0 1 1 3 5
SILICON LABORATORIES INC. 2 1 1 1 0 5
SILITEK ELECTRONIC (GUANGZHOU) CO.,LTD. 0 0 0 2 3 5
THALES 1 2 0 0 2 5



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