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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 65 71 70 61 88 355
MITSUBISHI DENKI KABUSHIKI KAISHA 31 38 56 36 50 211
MURATA MANUFACTURING CO., LTD. 35 36 38 28 49 186
GENERAL ELECTRIC COMPANY 23 32 40 35 35 165
DENSO CORPORATION 24 28 27 38 44 161
ROBERT BOSCH GMBH 20 30 25 25 37 137
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 15 24 21 21 38 119
HITACHI, LTD 8 16 22 18 26 90
ASMO CO., LTD. 9 17 15 16 31 88
CANON KABUSHIKI KAISHA 30 21 11 7 15 84
SIEMENS AKTIENGESELLSCHAFT 12 20 10 12 21 75
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 17 10 9 9 25 70
NGK INSULATORS LTD. 4 9 24 13 6 56
MINOLTA CAMERA CO., LTD. 9 16 10 7 12 54
SEIKO INSTRUMENTS INC. 10 12 16 9 7 54
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 3 4 12 12 21 52
NIKON CORPORATION 18 13 12 4 4 51
SEIKO EPSON CORPORATION 11 6 8 13 13 51
EMERSON ELECTRIC CO. 13 8 4 6 18 49
SANKYO SEIKI MFG. CO., LTD. 5 10 9 11 10 45
TOSHIBA CORPORATION 7 9 6 9 14 45
SAMSUNG ELECTRO-MECHANICS CO., LTD. 2 5 8 12 9 36
DELPHI TECHNOLOGIES, INC. 0 4 9 8 14 35
VISTEON GLOBAL TECHNOLOGIES, INC. 0 6 4 4 19 33
NEC CORPORATION 19 10 2 1 0 32
SIEMENS WESTINGHOUSE POWER CORPORATION 6 5 8 6 6 31
JAPAN SERVO CO., LTD. 5 5 2 7 11 30
HONEYWELL INTERNATIONAL INC. 0 8 4 7 9 28
SANYO ELECTRIC CO., LTD. 5 5 10 1 7 28
SAMSUNG ELECTRONICS CO., LTD. 10 5 2 4 5 26
NISSAN MOTOR COMPANY, LIMITED 2 2 7 5 9 25
RELIANCE ELECTRIC TECHNOLOGIES, LLC 3 7 2 7 5 24
SEAGATE TECHNOLOGY, LLC 3 5 3 8 5 24
TDK CORPORATION 4 7 7 3 2 23
TOKYO PARTS INDUSTRIAL CO., LTD. 2 3 6 7 5 23
LG ELECTRONICS INC. 2 3 3 3 11 22
VALEO EQUIPEMENTS ELECTRIQUES MOTEUR 6 4 7 1 4 22
BLACK & DECKER INC. 3 2 1 6 9 21
UNITED STATES OF AMERICA, NAVY 1 4 5 3 8 21
EBARA CORPORATION 3 3 4 5 3 18
ALPS ELECTRIC CO., LTD. 3 6 2 2 4 17
DELTA ELECTRONICS INC. 3 3 1 2 8 17
ASEA BROWN BOVERI AB 0 0 5 2 9 16
FACE INTERNATIONAL CORP. 7 4 3 1 1 16
JOHNSON ELECTRIC S.A. 4 1 0 4 7 16
MABUCHI MOTOR CO., LTD 0 3 4 2 7 16
MANNESMANN SACHS AG 0 2 7 5 2 16
MITSUBA CORPORATION 2 2 5 1 6 16
FUJITSU LIMITED 1 3 5 3 3 15
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 2 2 4 5 15
INTERNATIONAL BUSINESS MACHINES CORPORATION 4 2 5 1 3 15
NIDEC CORPORATION 5 4 2 0 4 15
SANDIA CORPORATION 1 5 3 4 2 15
AGILENT TECHNOLOGIES, INC. 0 3 3 4 4 14
AMERICAN SUPERCONDUCTOR CORPORATION 2 1 3 2 6 14
KABUSHIKI KAISHA MORIC 0 0 0 5 9 14
ANORAD CORP. 2 2 2 1 6 13
CTS CORPORATION 2 7 3 0 1 13
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 3 7 3 13
SRI INTERNATIONAL 0 0 2 5 6 13
VALEO ELECTRICAL SYSTEMS, INC. 0 3 2 4 4 13
WAVECREST LABORATORIES, LLC 0 0 2 1 10 13
A. O. SMITH CORPORATION 6 1 2 1 2 12
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 1 1 1 6 12
MIRAE CORPORATION 0 2 4 3 3 12
SONY CORPORATION 2 4 1 3 2 12
ACUSON CORPORATION 3 1 6 1 0 11
FANUC LTD. 3 3 2 0 3 11
INTEL CORPORATION 0 0 4 1 6 11
KOYO SEIKO COMPANY, LTD. 2 2 3 2 2 11
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 2 5 3 1 11
CAMCO INTERNATIONAL INC. 3 5 2 0 0 10
CATERPILLAR INC. 0 1 3 2 4 10
ELECTRIC BOAT CORPORATION 5 0 2 3 0 10
MANNESMANN VDO AG 0 3 3 3 1 10
MOTOROLA, INC. 4 3 1 1 1 10
OKUMA CORP. 4 4 1 0 1 10
HAMILTON SUNDSTRAND CORPORATION 1 3 2 1 2 9
PRECISION MOTORS DEUTSCHE MINEBEA GMBH 0 1 3 3 2 9
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 1 1 1 5 9
ACTIVE CONTROL EXPERTS, INC. 2 2 4 0 0 8
CITIZEN WATCH CO., LTD. 0 3 1 1 3 8
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 3 2 1 0 8
EATON CORPORATION 1 1 2 2 2 8
FORD GLOBAL TECHNOLOGIES, INC. 1 2 4 1 0 8
GENERAL MOTORS CORPORATION 2 1 0 0 5 8
INDIGO ENERGY, INC. 0 0 0 4 4 8
IOLON, INC. 0 2 2 2 2 8
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 4 0 1 1 8
MATSUSHITA ELECTRIC WORKS, LTD. 1 0 1 1 5 8
MEASUREMENT SPECIALTIES, INC. 0 3 3 1 1 8
MERITOR LIGHT VEHICLE SYSTEMS-FRANCE 0 3 1 2 2 8
NSK LIMITED 3 3 0 2 0 8
PENN STATE RESEARCH FOUNDATION, INC. 1 5 1 1 0 8
SIEMENS CANADA LTD. 4 2 1 1 0 8
SIEMENS VDO AUTOMOTIVE, INC. 0 0 0 1 7 8
SULZER ELECTRONICS AG 2 5 1 0 0 8
TAMAGAWA SEIKI KABUSHIKI KAISHA 2 1 1 0 4 8
TRW INC. 2 5 1 0 0 8
ALLIED-SIGNAL INC. 2 3 1 1 0 7
AMETEK, INC. 2 0 1 0 4 7
BOEING COMPANY 1 3 0 1 2 7
EMPRESA BRAZILEIRA DE COMPRESSORES S/A EMBRACO 0 1 4 0 2 7
ITT MANUFACTURING ENTERPRISES, INC. 3 3 0 1 0 7
KABUSHIKI KAISHA YASKAWA DENKI 0 0 2 1 4 7
LUCENT TECHNOLOGIES INC. 3 3 0 0 1 7
PAPST-MOTOREN KG 2 2 1 2 0 7
PIEZOMOTORS UPPSALA AB 0 1 3 1 2 7
TAIYO YUDEN CO., LTD. 0 1 5 0 1 7
UNIT PARTS COMPANY 3 3 1 0 0 7
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 1 2 2 7
VICTOR COMPANY OF JAPAN, LIMITED 2 1 0 2 2 7
WILO GMBH 2 3 2 0 0 7
ACTIVE POWER, INC. 3 3 0 0 0 6
AISIN AW CO., LTD. 0 0 0 1 5 6
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 3 3 0 0 0 6
BEI TECHNOLOGIES INC. 0 1 0 1 4 6
BRIGGS + STRATTON CORPORATION 0 1 1 2 2 6
CAPSTONE TURBINE CORPORATION 1 1 1 2 1 6
DATA STORAGE INSTITUTE 1 0 0 3 2 6
ETA SA FABRIQUES D'EBAUCHES OF GRANGES 3 0 2 0 1 6
FESTO AG & CO. 0 1 1 0 4 6
HEWLETT-PACKARD COMPANY 3 1 1 1 0 6
HILTI AKTIENGESELLSCHAFT 1 1 2 1 1 6
JDS UNIPHASE INC. 0 6 0 0 0 6
MOTEURS LEROY-SOMER 0 0 1 2 3 6
NTN CORPORATION 2 2 1 0 1 6
OCEAN POWER TECHNOLOGIES, INC. 0 2 2 2 0 6
RELIANCE ELECTRIC INDUSTRIAL COMPANY 6 0 0 0 0 6
TEXAS INSTRUMENTS, INCORPORATED 0 0 1 3 2 6
THOMSON-CSF 1 1 3 1 0 6
TOYO COMMUNICATION EQUIPMENT CO., LTD. 2 0 2 1 1 6
TRI-TECH INC. 0 2 1 2 1 6
TURBO GENSET CO, LTD. 1 1 2 0 2 6
U.S. PHILIPS CORPORATION 3 1 2 0 0 6
UNIVERSITY OF MICHIGAN 0 1 1 3 1 6
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 0 0 4 2 6
ABB RESEARCH LTD. 1 1 3 0 0 5
AISIN SEIKI KABUSHIKI KAISHA 2 0 1 1 1 5
ASKOLL HOLDING S.R.L. 0 0 3 1 1 5
CALSONIC KANSEI CORPORATION 0 2 0 2 1 5
CHARLES STARK DRAPER LABORATORY, INC. 1 2 1 1 0 5
DANA CORPORATION 2 1 0 0 2 5
EASTMAN KODAK COMPANY 2 3 0 0 0 5
ENCAP MOTOR CORPORATION 0 1 2 1 1 5
FASCO INDUSTRIES, INC. 2 0 1 0 2 5
GENERAL ELECTRIC CANADA INC. 0 2 0 1 2 5
GSI LUMONICS CORPORATION 0 0 3 0 2 5
HARRIS CORP. 0 0 1 1 3 5
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 1 4 5
HITACHI METALS LTD. 0 2 1 1 1 5
KOKUSAN DENKI CO., LTD 1 0 0 1 3 5
KYOCERA CORPORATION 1 1 2 0 1 5
MCNC 2 1 1 0 1 5
MEMX, INC. 0 0 0 0 5 5
MOHAWK INNOVATIVE TECHNOLOGY, INC. 0 2 1 0 2 5
NANOMOTION LTD. 1 0 1 2 1 5
NDK, NIHON DEMPA KOGYO COMPANY, LTD. 1 1 0 1 2 5
NIPPON THOMPSON CO., LTD. 0 1 1 2 1 5
PETERSEN TECHNOLOGY CORPORATION 0 0 1 2 2 5
ROLLS-ROYCE PLC 0 1 1 0 3 5
SCHLUMBERGER TECHNOLOGY CORPORATION 2 0 1 0 2 5
SHIN ETSU CHEMICAL CO., LTD. 0 1 0 2 2 5
SHOP-VAC CORPORATION 3 1 1 0 0 5
SWITCHED RELUCTANCE DRIVES LTD. 3 0 1 0 1 5
TOYOTA JIDOSHA K.K. 2 1 1 0 1 5
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 3 2 0 0 0 5
VALEO MANDO ELECTRICAL SYSTEMS KOREA LIMITED 0 0 1 2 2 5
VALEO SYSTEMES D'ESSUYAGE 0 1 1 1 2 5
VIKING TECHNOLOGIES, L.C. 0 0 0 1 4 5
W. SCHLAFHORST AG & CO. 1 0 1 2 1 5


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