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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 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 71 70 61 88 59 349
MITSUBISHI DENKI KABUSHIKI KAISHA 38 56 36 50 50 230
DENSO CORPORATION 28 27 38 44 40 177
MURATA MANUFACTURING CO., LTD. 36 38 28 49 21 172
GENERAL ELECTRIC COMPANY 32 40 35 35 20 162
ROBERT BOSCH GMBH 30 25 25 37 29 146
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 24 21 21 38 27 131
HITACHI, LTD 16 22 18 26 18 100
ASMO CO., LTD. 17 15 16 31 18 97
SIEMENS AKTIENGESELLSCHAFT 20 10 12 21 24 87
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 10 9 9 25 32 85
CANON KABUSHIKI KAISHA 21 11 7 15 21 75
NGK INSULATORS LTD. 9 24 13 6 13 65
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 4 12 12 21 6 55
SANKYO SEIKI MFG. CO., LTD. 10 9 11 10 12 52
MINOLTA CAMERA CO., LTD. 16 10 7 12 6 51
SEIKO EPSON CORPORATION 6 8 13 13 11 51
SEIKO INSTRUMENTS INC. 12 16 9 7 4 48
VISTEON GLOBAL TECHNOLOGIES, INC. 6 4 4 19 13 46
EMERSON ELECTRIC CO. 8 4 6 18 9 45
NIKON CORPORATION 13 12 4 4 8 41
TOSHIBA CORPORATION 9 6 9 14 3 41
NISSAN MOTOR COMPANY, LIMITED 2 7 5 9 17 40
HONEYWELL INTERNATIONAL INC. 8 4 7 9 11 39
DELPHI TECHNOLOGIES, INC. 4 9 8 14 3 38
LG ELECTRONICS INC. 3 3 3 11 18 38
SAMSUNG ELECTRO-MECHANICS CO., LTD. 5 8 12 9 3 37
SEAGATE TECHNOLOGY, LLC 5 3 8 5 12 33
SIEMENS WESTINGHOUSE POWER CORPORATION 5 8 6 6 7 32
AGILENT TECHNOLOGIES, INC. 3 3 4 4 17 31
JAPAN SERVO CO., LTD. 5 2 7 11 5 30
SANYO ELECTRIC CO., LTD. 5 10 1 7 4 27
BLACK & DECKER INC. 2 1 6 9 8 26
TOKYO PARTS INDUSTRIAL CO., LTD. 3 6 7 5 4 25
RELIANCE ELECTRIC TECHNOLOGIES, LLC 7 2 7 5 3 24
ASEA BROWN BOVERI AB 0 5 2 9 7 23
VALEO EQUIPEMENTS ELECTRIQUES MOTEUR 4 7 1 4 7 23
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 2 4 5 9 22
JOHNSON ELECTRIC S.A. 1 0 4 7 10 22
TDK CORPORATION 7 7 3 2 3 22
UNITED STATES OF AMERICA, NAVY 4 5 3 8 2 22
MABUCHI MOTOR CO., LTD 3 4 2 7 4 20
DELTA ELECTRONICS INC. 3 1 2 8 5 19
WAVECREST LABORATORIES, LLC 0 2 1 10 6 19
MITSUBA CORPORATION 2 5 1 6 4 18
SRI INTERNATIONAL 0 2 5 6 5 18
AMERICAN SUPERCONDUCTOR CORPORATION 1 3 2 7 4 17
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 3 7 3 4 17
SAMSUNG ELECTRONICS CO., LTD. 5 2 4 5 1 17
EBARA CORPORATION 3 4 5 3 1 16
KABUSHIKI KAISHA MORIC 0 0 5 9 2 16
MANNESMANN SACHS AG 2 7 5 2 0 16
ALPS ELECTRIC CO., LTD. 6 2 2 4 1 15
ANORAD CORP. 2 2 1 6 4 15
FUJITSU LIMITED 3 5 3 3 1 15
SANDIA CORPORATION 5 3 4 2 1 15
VALEO ELECTRICAL SYSTEMS, INC. 3 2 4 4 2 15
KOYO SEIKO COMPANY, LTD. 2 3 2 2 5 14
NEC CORPORATION 10 2 1 0 1 14
NIDEC CORPORATION 4 2 0 4 4 14
INTEL CORPORATION 0 4 1 6 2 13
A. O. SMITH CORPORATION 1 2 1 2 6 12
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 5 1 3 1 12
MATSUSHITA ELECTRIC WORKS, LTD. 0 1 1 5 5 12
MIRAE CORPORATION 2 4 3 3 0 12
SIEMENS VDO AUTOMOTIVE, INC. 0 0 1 7 4 12
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 5 3 1 1 12
CATERPILLAR INC. 1 3 2 4 1 11
CTS CORPORATION 7 3 0 1 0 11
FANUC LTD. 3 2 0 3 3 11
IOLON, INC. 2 2 2 2 3 11
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 1 1 5 3 11
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 1 1 6 1 10
MANNESMANN VDO AG 3 3 3 1 0 10
NDK, NIHON DEMPA KOGYO COMPANY, LTD. 1 0 1 2 6 10
SONY CORPORATION 4 1 3 2 0 10
VIKING TECHNOLOGIES, L.C. 0 0 1 4 5 10
ALSTOM TECHNOLOGY LTD 0 0 0 4 5 9
BEI TECHNOLOGIES INC. 1 0 1 4 3 9
BOEING COMPANY 3 0 1 2 3 9
EATON CORPORATION 1 2 2 2 2 9
FACE INTERNATIONAL CORP. 4 3 1 1 0 9
GENERAL ELECTRIC CANADA INC. 2 0 1 2 4 9
MEMX, INC. 0 0 0 5 4 9
MERITOR LIGHT VEHICLE SYSTEMS-FRANCE 3 1 2 2 1 9
MOTEURS LEROY-SOMER 0 1 2 3 3 9
NSK LIMITED 3 0 2 0 4 9
PIEZOMOTORS UPPSALA AB 1 3 1 2 2 9
PRECISION MOTORS DEUTSCHE MINEBEA GMBH 1 3 3 2 0 9
TAMAGAWA SEIKI KABUSHIKI KAISHA 1 1 0 4 3 9
ACUSON CORPORATION 1 6 1 0 0 8
CITIZEN WATCH CO., LTD. 3 1 1 3 0 8
HAMILTON SUNDSTRAND CORPORATION 3 2 1 2 0 8
INDIGO ENERGY, INC. 0 0 4 4 0 8
KABUSHIKI KAISHA YASKAWA DENKI 0 2 1 4 1 8
MEASUREMENT SPECIALTIES, INC. 3 3 1 1 0 8
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 2 2 2 8
UNIVERSITY OF MICHIGAN 1 1 3 1 2 8
VICTOR COMPANY OF JAPAN, LIMITED 1 0 2 2 3 8
AISIN AW CO., LTD. 0 0 1 5 1 7
ASKOLL HOLDING S.R.L. 0 3 1 1 2 7
BRIGGS + STRATTON CORPORATION 1 1 2 2 1 7
CAMCO INTERNATIONAL INC. 5 2 0 0 0 7
ELECTRIC BOAT CORPORATION 0 2 3 0 2 7
EMPRESA BRAZILEIRA DE COMPRESSORES S/A EMBRACO 1 4 0 2 0 7
FESTO AG & CO. 1 1 0 4 1 7
FORD GLOBAL TECHNOLOGIES, INC. 2 4 1 0 0 7
NIPPON THOMPSON CO., LTD. 1 1 2 1 2 7
OKUMA CORP. 4 1 0 1 1 7
PENN STATE RESEARCH FOUNDATION, INC. 5 1 1 0 0 7
TAIYO YUDEN CO., LTD. 1 5 0 1 0 7
TEXAS INSTRUMENTS, INCORPORATED 0 1 3 2 1 7
ACTIVE CONTROL EXPERTS, INC. 2 4 0 0 0 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 3 2 1 0 0 6
ENCAP MOTOR CORPORATION 1 2 1 1 1 6
GENERAL MOTORS CORPORATION 1 0 0 5 0 6
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 1 4 1 6
HILTI AKTIENGESELLSCHAFT 1 2 1 1 1 6
INFINEON TECHNOLOGIES AG 0 0 2 1 3 6
JDS UNIPHASE INC. 6 0 0 0 0 6
KYOCERA CORPORATION 1 2 0 1 2 6
LUCENT TECHNOLOGIES INC. 3 0 0 1 2 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 4 0 1 1 0 6
MOHAWK INNOVATIVE TECHNOLOGY, INC. 2 1 0 2 1 6
MOTOROLA, INC. 3 1 1 1 0 6
NAMIKI SEIMITSU HOSEKI KABUSHIKI KAISHA 0 1 0 2 3 6
NANOMOTION LTD. 0 1 2 1 2 6
OCEAN POWER TECHNOLOGIES, INC. 2 2 2 0 0 6
SULZER ELECTRONICS AG 5 1 0 0 0 6
TAIHEIYO CEMENT CORPORATION 3 1 0 0 2 6
TRI-TECH INC. 2 1 2 1 0 6
TRW INC. 5 1 0 0 0 6
UT-BATTELLE, LLC 0 0 1 2 3 6
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 0 4 2 0 6
ALLIED-SIGNAL INC. 3 1 1 0 0 5
ALSTOM 0 2 1 1 1 5
AMETEK, INC. 0 1 0 4 0 5
ASML NETHERLANDS B.V. 0 0 0 1 4 5
BOREALIS TECHNICAL INCORPORATED LIMITED 1 0 1 1 2 5
CALSONIC KANSEI CORPORATION 2 0 2 1 0 5
CAPSTONE TURBINE CORPORATION 1 1 2 1 0 5
CONCEPTION ET DEVELOPMENT MICHELIN S.A. 0 1 1 1 2 5
DATA STORAGE INSTITUTE 0 0 3 2 0 5
GENERAL ATOMIC COMPANY 1 1 1 0 2 5
GSI LUMONICS CORPORATION 0 3 0 2 0 5
HARRIS CORP. 0 1 1 3 0 5
HITACHI METALS LTD. 2 1 1 1 0 5
HIWIN MIKROSYSTEM CORP. 0 1 1 2 1 5
KOKUSAN DENKI CO., LTD 0 0 1 3 1 5
LOCKHEED MARTIN CORPORATION 1 1 0 1 2 5
MAGNET-MOTOR GESELLSCHAFT FUR MAGNETMOTORISCHETECHNIK MBH 0 2 0 2 1 5
NIDEC COPAL CORPORATION 0 0 0 3 2 5
NTN CORPORATION 2 1 0 1 1 5
PAPST-MOTOREN KG 2 1 2 0 0 5
PETERSEN TECHNOLOGY CORPORATION 0 1 2 2 0 5
PIEDEK TECHNICAL LABORATORY 0 0 1 3 1 5
PRATT & WHITNEY CANADA CORP. 1 0 1 0 3 5
PRODUCT SYSTEMS INCORPORATED 2 0 0 1 2 5
PTS CORPORATION 0 0 0 2 3 5
ROCKWELL SCIENTIFIC LICENSING, LLC 0 0 0 3 2 5
ROLLS-ROYCE PLC 1 1 0 3 0 5
SHIN ETSU CHEMICAL CO., LTD. 1 0 2 2 0 5
SODICK CO., LTD. 0 0 3 0 2 5
THOMSON-CSF 1 3 1 0 0 5
TURBO GENSET CO, LTD. 1 2 0 2 0 5
VALEO MANDO ELECTRICAL SYSTEMS KOREA LIMITED 0 1 2 2 0 5
VALEO SYSTEMES D'ESSUYAGE 1 1 1 2 0 5
WILO GMBH 3 2 0 0 0 5


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