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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 318, Electricity: Motive Power 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 33 33 21 22 18 127
MITSUBISHI DENKI KABUSHIKI KAISHA 16 13 8 20 19 76
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 13 10 16 15 20 74
ROBERT BOSCH GMBH 10 16 6 22 18 72
HITACHI, LTD 16 14 18 10 5 63
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 10 12 6 13 13 54
DELPHI TECHNOLOGIES, INC. 8 15 11 8 9 51
GENERAL ELECTRIC COMPANY 11 15 7 6 2 41
SIEMENS AKTIENGESELLSCHAFT 4 5 11 9 12 41
CANON KABUSHIKI KAISHA 6 8 8 9 8 39
FANUC LTD. 12 3 4 5 8 32
GENERAL MOTORS CORPORATION 7 5 5 5 10 32
LG ELECTRONICS INC. 3 8 8 7 6 32
NISSAN MOTOR COMPANY, LIMITED 1 5 6 10 10 32
CHAMBERLAIN GROUP, INC. 7 5 3 13 3 31
DENSO CORPORATION 7 7 6 7 4 31
NIKON CORPORATION 13 1 3 5 9 31
KABUSHIKI KAISHA YASKAWA DENKI 7 0 3 11 9 30
TEXAS INSTRUMENTS, INCORPORATED 11 5 7 4 2 29
AISIN SEIKI KABUSHIKI KAISHA 4 9 8 2 4 27
SONY CORPORATION 3 6 7 4 7 27
SEIKO EPSON CORPORATION 4 6 8 3 3 24
STMICROELECTRONICS S.R.L. 5 7 5 3 4 24
HONEYWELL INTERNATIONAL INC. 4 2 5 5 7 23
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 1 2 7 7 6 23
SWITCHED RELUCTANCE DRIVES LTD. 6 5 4 2 5 22
YAZAKI CORP. 0 3 5 5 8 21
ALPS ELECTRIC CO., LTD. 4 3 5 2 6 20
INTERNATIONAL BUSINESS MACHINES CORPORATION 6 6 0 6 2 20
SEAGATE TECHNOLOGY, LLC 5 3 4 3 3 18
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 1 2 4 7 4 18
EMERSON ELECTRIC CO. 5 2 1 8 1 17
SAMSUNG ELECTRONICS CO., LTD. 7 2 2 2 4 17
TOSHIBA CORPORATION 2 5 4 4 2 17
TOYOTA JIDOSHA K.K. 3 2 2 6 3 16
VISTEON GLOBAL TECHNOLOGIES, INC. 2 3 2 5 4 16
JAPAN SERVO CO., LTD. 3 0 3 5 4 15
ROHM COMPANY LIMITED 4 2 1 4 4 15
SIEMENS VDO AUTOMOTIVE, INC. 0 1 3 6 5 15
EBM-PAPST ST. GEORGEN GMBH & CO. - KG 0 0 0 4 10 14
FORD GLOBAL TECHNOLOGIES, INC. 3 9 2 0 0 14
STMICROELECTRONICS, INC. 4 3 5 1 0 13
EATON CORPORATION 4 3 1 3 1 12
INTERNATIONAL RECTIFIER CORPORATION 0 2 0 7 3 12
NSK LIMITED 4 5 1 1 1 12
ASMO CO., LTD. 4 2 1 2 2 11
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 6 2 1 1 11
SIEMENS ENERGY & AUTOMATION, INC. 6 1 2 0 2 11
ABB OY. 0 2 4 0 4 10
BALLARD POWER SYSTEMS CORPORATION 0 3 1 3 3 10
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 2 3 5 10
MANNESMANN VDO AG 3 4 3 0 0 10
SANYO ELECTRIC CO., LTD. 1 3 2 4 0 10
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 4 1 2 0 2 9
PAPST-MOTOREN KG 2 5 0 2 0 9
VALEO ELECTRICAL SYSTEMS, INC. 2 1 0 4 2 9
A. O. SMITH CORPORATION 1 1 2 1 3 8
ASEA BROWN BOVERI AB 1 1 3 2 1 8
BOEING COMPANY 1 1 2 3 1 8
BOREALIS TECHNICAL INCORPORATED LIMITED 1 2 2 1 2 8
BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT 3 2 1 1 1 8
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 0 1 2 4 8
MOTOROLA, INC. 0 3 4 1 0 8
SUZUKI MOTOR CORPORATION 0 5 3 0 0 8
TOYODA KOKI KABUSHIKI KAISHA 0 1 1 3 3 8
WAVECREST LABORATORIES, LLC 0 0 0 4 4 8
BLACK & DECKER INC. 0 1 2 1 3 7
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 2 4 1 7
FORD MOTOR COMPANY 2 1 2 1 1 7
JOHANNES HEIDENHAIN GMBH 4 0 0 1 2 7
KOYO SEIKO COMPANY, LTD. 0 0 2 2 3 7
MATSUSHITA ELECTRIC WORKS, LTD. 1 2 3 1 0 7
MERITOR LIGHT VEHICLE SYSTEMS, INC. 3 3 1 0 0 7
MERITOR LIGHT VEHICLE TECHNOLOGY, LLC 0 3 4 0 0 7
SOMFY 0 2 0 0 5 7
TRW INC. 2 3 1 1 0 7
COMAIR ROTRON, INC. 0 1 3 1 1 6
DEWERT ANTRIEBS-UND SYSTEMTECHNIK GMBH & CO KG 1 2 1 0 2 6
HAMILTON SUNDSTRAND CORPORATION 2 1 0 1 2 6
HILTI AKTIENGESELLSCHAFT 0 0 1 3 2 6
KAWASAKI JUKOGYO KABUSHIKI KAISHA 3 1 1 0 1 6
LEOPOLD KOSTAL GMBH & CO. KG 0 0 4 2 0 6
LEXMARK INTERNATIONAL, INC. 0 0 2 2 2 6
LG INDUSTRIAL SYSTEMS CO., LTD. 1 0 3 1 1 6
NEC CORPORATION 1 2 3 0 0 6
OMRON CORPORATION 1 0 3 1 1 6
TEXAS A AND M UNIVERSITY 1 2 1 1 1 6
TOKAI RIKA DENKI SEISAKUSHO K.K. 1 0 0 1 4 6
TOSHIBA MACHINE CO., LTD. 1 1 0 4 0 6
WAYNE-DALTON CORPORATION 2 0 2 0 2 6
ALSTOM 1 1 1 1 1 5
DAIMLERCHRYSLER CORPORATION 3 1 1 0 0 5
DIEHL AKO STIFTUNG & CO., KG 1 0 2 0 2 5
EMPRESA BRAZILEIRA DE COMPRESSORES S/A EMBRACO 0 3 0 0 2 5
FASCO INDUSTRIES, INC. 1 4 0 0 0 5
IROBOT CORPORATION 0 0 0 3 2 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 3 0 1 1 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 2 1 1 0 5
OKUMA CORP. 3 1 0 0 1 5
OTIS ELEVATOR COMPANY 1 3 0 0 1 5
RENESAS TECHNOLOGY CORPORATION 0 0 0 4 1 5
S.N.R. ROULEMENTS 0 0 0 3 2 5
SCHNEIDER ELECTRIC SA 3 1 0 1 0 5
TOSHIBA TEC KABUSHIKI KAISHA 1 0 4 0 0 5
U.S. PHILIPS CORPORATION 4 1 0 0 0 5
WESTERN DIGITAL TECHNOLOGIES, INC. 0 0 1 1 3 5
XEROX CORPORATION 1 0 2 0 2 5


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