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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 310, Electrical Generator or Motor Structure

( 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
~INDIVIDUALLY OWNED PATENT 88 59 55 39 44 285
MITSUBISHI DENKI KABUSHIKI KAISHA 50 50 33 26 38 197
DENSO CORPORATION 44 40 46 27 35 192
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 38 27 30 22 21 138
MURATA MANUFACTURING CO., LTD. 49 21 21 14 20 125
CANON KABUSHIKI KAISHA 15 21 29 35 20 120
ROBERT BOSCH GMBH 37 29 16 14 17 113
SEIKO EPSON CORPORATION 13 11 29 27 31 111
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 25 32 30 13 7 107
SIEMENS AKTIENGESELLSCHAFT 21 24 20 14 20 99
GENERAL ELECTRIC COMPANY 35 20 20 11 10 96
HITACHI, LTD 26 18 17 11 16 88
ASMO CO., LTD. 31 18 10 14 8 81
LG ELECTRONICS INC. 11 18 13 17 22 81
NGK INSULATORS LTD. 6 13 17 14 18 68
TOSHIBA CORPORATION 14 3 2 16 15 50
EMERSON ELECTRIC CO. 18 9 8 4 7 46
NISSAN MOTOR COMPANY, LIMITED 9 17 6 4 7 43
VISTEON GLOBAL TECHNOLOGIES, INC. 19 13 7 3 1 43
TDK CORPORATION 2 3 13 13 8 39
DELTA ELECTRONICS INC. 8 5 9 7 9 38
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 9 7 9 6 36
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 21 6 3 3 3 36
BLACK & DECKER INC. 9 8 9 5 2 33
HONEYWELL INTERNATIONAL INC. 9 11 7 4 2 33
NDK, NIHON DEMPA KOGYO COMPANY, LTD. 2 6 12 6 7 33
SAMSUNG ELECTRO-MECHANICS CO., LTD. 9 3 5 8 8 33
OLYMPUS CORPORATION 0 2 10 9 11 32
NIDEC CORPORATION 4 4 8 5 9 30
SEAGATE TECHNOLOGY, LLC 5 12 6 1 3 27
SRI INTERNATIONAL 6 5 3 5 8 27
VALEO EQUIPEMENTS ELECTRIQUES MOTEUR 4 7 7 6 2 26
AGILENT TECHNOLOGIES, INC. 4 17 2 1 1 25
JAPAN SERVO CO., LTD. 11 5 2 2 5 25
JOHNSON ELECTRIC S.A. 7 10 3 4 1 25
SANYO ELECTRIC CO., LTD. 7 4 2 5 6 24
SANKYO SEIKI MFG. CO., LTD. 10 12 1 0 0 23
ALSTOM TECHNOLOGY LTD 4 5 4 5 4 22
A. O. SMITH CORPORATION 2 6 4 6 3 21
ANORAD CORP. 6 4 3 5 3 21
DELPHI TECHNOLOGIES, INC. 14 3 1 3 0 21
SEIKO INSTRUMENTS INC. 7 4 2 3 5 21
SIEMENS VDO AUTOMOTIVE, INC. 7 4 9 1 0 21
ASEA BROWN BOVERI AB 9 7 3 1 0 20
NIKON CORPORATION 4 8 1 2 5 20
FUJITSU MEDIA DEVICES LIMITED 0 0 2 12 5 19
MINOLTA CAMERA CO., LTD. 12 6 1 0 0 19
SAMSUNG ELECTRONICS CO., LTD. 5 1 3 5 5 19
TOKYO PARTS INDUSTRIAL CO., LTD. 5 4 7 3 0 19
UNITED STATES OF AMERICA, NAVY 8 2 5 3 1 19
MATSUSHITA ELECTRIC WORKS, LTD. 5 5 1 2 5 18
EPCOS AG 2 2 3 4 6 17
FUJITSU LIMITED 3 1 1 7 5 17
MITSUBA CORPORATION 6 4 3 2 2 17
WAVECREST LABORATORIES, LLC 10 6 1 0 0 17
IMPULSE DEVICES, INC. 0 4 7 3 2 16
KABUSHIKI KAISHA MORIC 9 2 4 1 0 16
RELIANCE ELECTRIC TECHNOLOGIES, LLC 5 3 2 1 5 16
SIEMENS POWER GENERATION, INC. 0 0 6 4 6 16
SIEMENS WESTINGHOUSE POWER CORPORATION 6 7 3 0 0 16
AMERICAN SUPERCONDUCTOR CORPORATION 7 4 0 2 2 15
ASML NETHERLANDS B.V. 1 4 4 3 3 15
FANUC LTD. 3 3 3 3 3 15
KONINKLIJKE PHILIPS ELECTRONICS N.V. 3 4 4 1 3 15
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 5 3 3 2 2 15
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 6 1 4 2 1 14
KABUSHIKI KAISHA YASKAWA DENKI 4 1 1 4 4 14
SONY CORPORATION 2 0 3 3 6 14
ASIA VITAL COMPONENTS CO., LTD. 1 0 9 3 0 13
CATERPILLAR INC. 4 1 2 1 5 13
EBM-PAPST ST. GEORGEN GMBH & CO. - KG 0 1 5 6 1 13
GENERAL MOTORS CORPORATION 5 0 3 2 3 13
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 4 1 3 3 2 13
INTEL CORPORATION 6 2 1 2 2 13
MABUCHI MOTOR CO., LTD 7 4 0 0 2 13
ZIPPY TECHNOLOGY CORP. 0 2 5 4 2 13
AISIN AW CO., LTD. 5 1 4 2 0 12
MAGNETIC TORQUE INTERNATIONAL, LTD. 0 1 1 6 4 12
NSK LIMITED 0 4 2 5 1 12
PIEZOMOTORS UPPSALA AB 2 2 2 3 3 12
PRATT & WHITNEY CANADA CORP. 0 3 3 4 2 12
VICTOR COMPANY OF JAPAN, LIMITED 2 3 1 4 2 12
VIKING TECHNOLOGIES, L.C. 4 5 2 1 0 12
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 2 0 2 4 4 12
BOEING COMPANY 2 3 0 2 4 11
HAMILTON SUNDSTRAND CORPORATION 2 0 1 3 5 11
KOYO SEIKO COMPANY, LTD. 2 5 2 2 0 11
KYOCERA CORPORATION 1 2 3 2 3 11
LUCENT TECHNOLOGIES INC. 1 2 5 1 2 11
NANOMOTION LTD. 1 2 3 4 1 11
NIDEC SANKYO CORPORATION 0 0 1 7 3 11
ALPS ELECTRIC CO., LTD. 4 1 1 3 1 10
FESTO AG & CO. 4 1 2 2 1 10
KONICA MINOLTA OPTO, INC 0 0 0 7 3 10
PALO ALTO RESEARCH CENTER INCORPORATED 0 2 7 1 0 10
ROLLS-ROYCE PLC 3 0 1 5 1 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 2 2 1 3 10
AMETEK, INC. 4 0 3 0 2 9
MEMX, INC. 5 4 0 0 0 9
MOTEURS LEROY-SOMER 3 3 0 2 1 9
NIDEC COPAL CORPORATION 3 2 2 1 1 9
TOYOTA JIDOSHA K.K. 1 1 2 1 4 9
AISIN SEIKI KABUSHIKI KAISHA 1 0 3 1 3 8
ARVINMERITOR LIGHT VEHICLE SYSTEMS-FRANCE 0 1 4 2 1 8
BROTHER KOGYO KABUSHIKI KAISHA 0 1 0 2 5 8
ELLIPTEC RESONANT ACTUATOR AG 2 1 0 2 3 8
FUJINON CORPORATION (FORMERLY FUJI PHOTO OPTICAL CO. LTD.) 1 0 0 2 5 8
HILTI AKTIENGESELLSCHAFT 1 1 2 1 3 8
HITACHI KOKI COMPANY, LIMITED 0 1 1 0 6 8
LIGHT ENGINEERING, INC. 0 0 3 3 2 8
MITSUMI ELECTRIC CO., LTD. 0 2 1 5 0 8
PIEDEK TECHNICAL LABORATORY 3 1 0 2 2 8
SIEMENS MEDICAL SOLUTIONS USA, INC. 1 1 1 1 4 8
TEXAS INSTRUMENTS, INCORPORATED 2 1 2 2 1 8
UNITED STATES OF AMERICA, ARMY 0 0 3 3 2 8
BEI TECHNOLOGIES INC. 4 3 0 0 0 7
BROSE FAHRZEUGTEILE GMBH & CO. KG 0 1 2 3 1 7
CROSS MATCH TECHNOLOGIES, INC. 2 1 3 0 1 7
GENERAL ELECTRIC CANADA INC. 2 4 1 0 0 7
LG INNOTEK CO., LTD 0 1 1 1 4 7
NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA 2 3 0 2 0 7
NIPPON THOMPSON CO., LTD. 1 2 2 2 0 7
PARKER-HANNIFIN CORPORATION 1 2 1 0 3 7
PRODUCT SYSTEMS INCORPORATED 1 2 3 0 1 7
REMY INTERNATIONAL, INC. 0 0 2 0 5 7
SHIMANO INC. 0 1 3 2 1 7
TAMAGAWA SEIKI KABUSHIKI KAISHA 4 3 0 0 0 7
TOPPAN PRINTING CO., LTD. 0 0 0 2 5 7
UT-BATTELLE, LLC 2 3 2 0 0 7
VALEO ELECTRICAL SYSTEMS, INC. 4 2 1 0 0 7
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. 1 1 3 1 1 7
AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE) PTE. LTD. 0 0 1 2 3 6
C.R.F. SOCIETA CONSORTILE PER AZIONI 0 2 1 3 0 6
CITIZEN ELECTRONICS CO., LTD. 2 0 1 2 1 6
ENCAP MOTOR CORPORATION 1 1 4 0 0 6
ENDRESS + HAUSER GMBH + CO. 1 1 1 1 2 6
ETEL S.A. 0 1 0 3 2 6
HRL LABORATORIES, LLC 0 0 2 4 0 6
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 2 0 0 2 2 6
LOCKHEED MARTIN CORPORATION 1 2 1 0 2 6
NTN CORPORATION 1 1 3 0 1 6
PENN STATE RESEARCH FOUNDATION, INC. 0 0 3 1 2 6
PTS CORPORATION 2 3 1 0 0 6
SEIKO PRECISION INC. 0 1 0 1 4 6
SIEMENS VDO AUTOMOTIVE CORPORATION 1 1 4 0 0 6
STMICROELECTRONICS S.A. 0 1 1 2 2 6
TM4 INC. 1 1 2 0 2 6
TOYO COMMUNICATION EQUIPMENT CO., LTD. 1 0 4 1 0 6
AEROTECH, INC. 1 0 3 0 1 5
ASKOLL HOLDING S.R.L. 1 2 1 0 1 5
CERAMTEC AG INNOVATIVE CERAMIC ENGINEERING 2 2 1 0 0 5
DANFOSS COMPRESSORS GMBH 0 0 1 3 1 5
DEERE + COMPANY 1 1 2 0 1 5
EBARA CORPORATION 3 1 1 0 0 5
EPSON TOYOCOM CORPORATION 0 0 1 0 4 5
FRANKLIN ELECTRIC CO., INC. 1 0 2 1 1 5
FUJITSU GENERAL LIMITED 2 0 1 1 1 5
GSI GROUP CORPORATION 0 1 2 1 1 5
HIWIN MIKROSYSTEM CORP. 2 1 0 0 2 5
HOGANAS AB 1 1 1 1 1 5
HON HAI PRECISION IND. CO., LTD. 2 0 0 0 3 5
INFINEON TECHNOLOGIES AG 1 3 0 1 0 5
IOLON, INC. 2 3 0 0 0 5
KEIHIN CORPORATION 1 1 0 1 2 5
KOKUSAN DENKI CO., LTD 3 1 0 0 1 5
KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE 1 2 1 1 0 5
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 2 0 2 0 1 5
MAGNET-MOTOR GESELLSCHAFT FUR MAGNETMOTORISCHETECHNIK MBH 2 1 1 0 1 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 2 1 2 0 0 5
NEC CORPORATION 0 1 0 2 2 5
REGAL BELOIT CORPORATION 0 0 0 2 3 5
REMY, INC. 1 1 1 1 1 5
ROCKWELL SCIENTIFIC LICENSING, LLC 3 2 0 0 0 5
ROTYS INC. 0 2 3 0 0 5
SANDIA CORPORATION 2 1 1 0 1 5
SHIN ETSU CHEMICAL CO., LTD. 2 0 1 0 2 5
THK CO., LTD. 2 1 0 0 2 5
UNIVERSITY OF TEXAS 1 2 1 0 1 5


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