~Individually Owned Patent |
41 |
44 |
39 |
43 |
67 |
234 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
13 |
10 |
6 |
12 |
29 |
70 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
3 |
7 |
26 |
10 |
13 |
59 |
GENERAL ELECTRIC COMPANY |
7 |
3 |
5 |
6 |
33 |
54 |
SIEMENS AKTIENGESELLSCHAFT |
4 |
9 |
8 |
4 |
13 |
38 |
ADVANCED MICRO DEVICES, INC. |
6 |
4 |
4 |
7 |
14 |
35 |
UNITED STATES OF AMERICA, NAVY |
6 |
7 |
5 |
8 |
8 |
34 |
BAKER HUGHES INCORPORATED |
1 |
1 |
10 |
9 |
11 |
32 |
HITACHI, LTD |
10 |
5 |
4 |
5 |
8 |
32 |
HEWLETT-PACKARD COMPANY |
9 |
5 |
4 |
4 |
8 |
30 |
NEC CORPORATION |
3 |
4 |
3 |
3 |
12 |
25 |
FUJITSU LIMITED |
2 |
3 |
3 |
8 |
6 |
22 |
MICRON TECHNOLOGY, INC. |
1 |
3 |
4 |
7 |
7 |
22 |
WESTERN ATLAS INTERNATIONAL, INC. |
7 |
10 |
3 |
1 |
0 |
21 |
AGILENT TECHNOLOGIES, INC. |
0 |
0 |
1 |
10 |
9 |
20 |
INTEL CORPORATION |
3 |
4 |
3 |
2 |
8 |
20 |
ROBERT BOSCH GMBH |
1 |
2 |
3 |
6 |
8 |
20 |
TOSHIBA CORPORATION |
4 |
3 |
3 |
3 |
7 |
20 |
INSTITUT FRANCAIS DU PETROLE |
3 |
2 |
6 |
6 |
2 |
19 |
CANON KABUSHIKI KAISHA |
7 |
2 |
1 |
3 |
5 |
18 |
SAMSUNG ELECTRONICS CO., LTD. |
0 |
5 |
7 |
3 |
3 |
18 |
EXXONMOBIL UPSTREAM RESEARCH COMPANY |
0 |
0 |
3 |
3 |
11 |
17 |
LUCENT TECHNOLOGIES INC. |
4 |
2 |
2 |
5 |
4 |
17 |
NATIONAL INSTRUMENTS CORPORATION |
4 |
2 |
2 |
2 |
7 |
17 |
FORD GLOBAL TECHNOLOGIES, INC. |
1 |
3 |
0 |
6 |
6 |
16 |
HALLIBURTON ENERGY SEVICES, INC. |
0 |
4 |
1 |
7 |
4 |
16 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
5 |
0 |
5 |
5 |
1 |
16 |
ADVANTEST CORP. |
2 |
2 |
2 |
3 |
6 |
15 |
CATERPILLAR INC. |
3 |
5 |
1 |
3 |
3 |
15 |
SONY CORPORATION |
3 |
3 |
4 |
2 |
3 |
15 |
ABB POWER T&D COMPANY INC. |
3 |
3 |
6 |
2 |
0 |
14 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
3 |
4 |
2 |
3 |
2 |
14 |
ROSEMOUNT INC. |
0 |
4 |
2 |
2 |
6 |
14 |
TEXAS INSTRUMENTS, INCORPORATED |
1 |
3 |
5 |
2 |
3 |
14 |
TEKTRONIX INC. |
3 |
2 |
2 |
2 |
4 |
13 |
TRIMBLE NAVIGATION, LTD. |
2 |
3 |
3 |
3 |
2 |
13 |
ATLANTIC RICHFIELD COMPANY |
5 |
5 |
1 |
1 |
0 |
12 |
MITUTOYO CORPORATION |
0 |
2 |
2 |
2 |
6 |
12 |
PHILLIPS PETROLEUM COMPANY |
3 |
0 |
1 |
5 |
3 |
12 |
SUN MICROSYSTEMS, INC. |
4 |
2 |
0 |
1 |
5 |
12 |
BARON SERVICES, INC. |
1 |
1 |
3 |
4 |
2 |
11 |
DELL PRODUCTS, L.P. |
1 |
3 |
0 |
2 |
5 |
11 |
MICRO MOTION, INC. |
0 |
0 |
0 |
5 |
6 |
11 |
MOTOROLA, INC. |
5 |
2 |
0 |
0 |
4 |
11 |
UNITED STATES OF AMERICA, ARMY |
5 |
2 |
1 |
1 |
2 |
11 |
EXXON PRODUCTION RESEARCH COMPANY |
2 |
5 |
3 |
0 |
0 |
10 |
RAYTHEON COMPANY |
2 |
0 |
1 |
4 |
3 |
10 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
2 |
3 |
2 |
2 |
1 |
10 |
CARL ZEISS STIFTUNG |
3 |
3 |
1 |
1 |
1 |
9 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
0 |
0 |
1 |
1 |
7 |
9 |
FISHER CONTROLS INTERNATIONAL, INC. |
0 |
2 |
3 |
2 |
2 |
9 |
SHELL OIL COMPANY |
0 |
0 |
3 |
3 |
3 |
9 |
AT&T CORP. |
1 |
2 |
3 |
2 |
0 |
8 |
CASE CORPORATION |
1 |
3 |
2 |
0 |
2 |
8 |
CHRYSLER MOTORS CORPORATION |
1 |
6 |
1 |
0 |
0 |
8 |
COMPAQ COMPUTER CORPORATION, INC. |
1 |
0 |
3 |
2 |
2 |
8 |
CSI TECHNOLOGY, INC. |
2 |
3 |
2 |
1 |
0 |
8 |
DELPHI TECHNOLOGIES, INC. |
0 |
0 |
0 |
3 |
5 |
8 |
ELF EXPLORATION PRODUCTION |
0 |
0 |
4 |
2 |
2 |
8 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
2 |
0 |
2 |
3 |
8 |
KOMATSU LTD. |
1 |
2 |
1 |
3 |
1 |
8 |
MICRON ELECTRONICS, INC. |
2 |
1 |
5 |
0 |
0 |
8 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
2 |
2 |
0 |
2 |
2 |
8 |
WESTERNGECO, LLC |
0 |
0 |
0 |
2 |
6 |
8 |
XEROX CORPORATION |
2 |
0 |
0 |
2 |
4 |
8 |
A.L. AIR DATA, INC. |
0 |
0 |
2 |
0 |
5 |
7 |
DRESSER INDUSTRIES, INC. |
0 |
1 |
6 |
0 |
0 |
7 |
EASTMAN KODAK COMPANY |
1 |
0 |
1 |
1 |
4 |
7 |
SOUTHWEST RESEARCH INSTITUTE |
1 |
2 |
2 |
0 |
2 |
7 |
TELEFONAKTIEBOLAGET LM ERICSSON |
0 |
1 |
2 |
0 |
4 |
7 |
BATTELLE MEMORIAL INSTITUTE |
0 |
0 |
1 |
1 |
4 |
6 |
EATON CORPORATION |
3 |
2 |
0 |
0 |
1 |
6 |
GEOQUEST, A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION |
0 |
3 |
3 |
0 |
0 |
6 |
INTERVAL RESEARCH CORPORATION |
0 |
1 |
4 |
0 |
1 |
6 |
MITSUBISHI HEAVY INDUSTRIES CO., LTD. |
0 |
0 |
0 |
1 |
5 |
6 |
RELIABLE POWER METERS, INC. |
5 |
1 |
0 |
0 |
0 |
6 |
SANYO ELECTRIC CO., LTD. |
1 |
0 |
2 |
2 |
1 |
6 |
SEIKO EPSON CORPORATION |
1 |
0 |
2 |
1 |
2 |
6 |
TERADYNE, INC. |
2 |
1 |
0 |
0 |
3 |
6 |
UNISYS CORPORATION |
1 |
1 |
0 |
0 |
4 |
6 |
APPLIED MATERIALS, INC. |
0 |
2 |
0 |
0 |
3 |
5 |
BP AMOCO CORPORATION |
0 |
1 |
4 |
0 |
0 |
5 |
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. |
1 |
0 |
1 |
3 |
0 |
5 |
COLUMBIA UNIVERSITY |
1 |
2 |
1 |
1 |
0 |
5 |
CONOCO, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
CRANE NUCLEAR, INC. |
0 |
0 |
2 |
2 |
1 |
5 |
DENSO CORPORATION |
0 |
0 |
2 |
0 |
3 |
5 |
ENDRESS + HAUSER GMBH + CO. |
1 |
1 |
1 |
1 |
1 |
5 |
FORD MOTOR COMPANY |
4 |
1 |
0 |
0 |
0 |
5 |
MICROSCRIBE, LLC |
0 |
0 |
3 |
1 |
1 |
5 |
MINOLTA CAMERA CO., LTD. |
0 |
0 |
0 |
1 |
4 |
5 |
NISSAN MOTOR COMPANY, LIMITED |
1 |
1 |
1 |
2 |
0 |
5 |
PERCEPTRON, INC. |
1 |
0 |
2 |
1 |
1 |
5 |
PGS TENSOR, INC. |
0 |
1 |
0 |
4 |
0 |
5 |
PHATRAT TECHNOLOGY, INC. |
0 |
1 |
0 |
1 |
3 |
5 |
POWER MEASUREMENT LTD. |
0 |
1 |
0 |
2 |
2 |
5 |
TOYOTA JIDOSHA K.K. |
1 |
1 |
0 |
1 |
2 |
5 |
U.S. PHILIPS CORPORATION |
2 |
1 |
0 |
0 |
2 |
5 |
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
1 |
1 |
0 |
1 |
2 |
5 |
YAZAKI CORP. |
2 |
1 |
1 |
0 |
1 |
5 |