~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 |