~Individually Owned Patent |
97 |
82 |
91 |
96 |
118 |
484 |
MICRON TECHNOLOGY, INC. |
15 |
19 |
35 |
55 |
83 |
207 |
SIEMENS AKTIENGESELLSCHAFT |
31 |
24 |
40 |
49 |
55 |
199 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
26 |
35 |
32 |
47 |
47 |
187 |
GENERAL ELECTRIC COMPANY |
13 |
20 |
43 |
55 |
42 |
173 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
20 |
19 |
29 |
26 |
32 |
126 |
ADVANTEST CORP. |
17 |
15 |
14 |
35 |
36 |
117 |
NEC CORPORATION |
12 |
9 |
22 |
25 |
25 |
93 |
ADVANCED MICRO DEVICES, INC. |
6 |
7 |
7 |
17 |
44 |
81 |
TOSHIBA CORPORATION |
12 |
15 |
13 |
15 |
13 |
68 |
AGILENT TECHNOLOGIES, INC. |
0 |
0 |
7 |
25 |
35 |
67 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
6 |
9 |
14 |
14 |
21 |
64 |
HEWLETT-PACKARD COMPANY |
13 |
26 |
14 |
3 |
4 |
60 |
SAMSUNG ELECTRONICS CO., LTD. |
4 |
5 |
16 |
14 |
18 |
57 |
U.S. PHILIPS CORPORATION |
5 |
13 |
13 |
22 |
4 |
57 |
ROBERT BOSCH GMBH |
7 |
5 |
12 |
9 |
22 |
55 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
5 |
9 |
8 |
13 |
14 |
49 |
PICKER INTERNATIONAL, INC. |
7 |
6 |
15 |
19 |
2 |
49 |
INTEL CORPORATION |
5 |
9 |
13 |
7 |
14 |
48 |
TOKYO ELECTRON LIMITED |
9 |
6 |
12 |
8 |
9 |
44 |
ANDO ELECTRIC CO., LTD. |
0 |
6 |
9 |
11 |
17 |
43 |
MOTOROLA, INC. |
12 |
11 |
6 |
1 |
9 |
39 |
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC |
0 |
0 |
0 |
8 |
30 |
38 |
LUCENT TECHNOLOGIES INC. |
8 |
5 |
12 |
10 |
3 |
38 |
TEXAS INSTRUMENTS, INCORPORATED |
12 |
6 |
7 |
7 |
6 |
38 |
DELPHI TECHNOLOGIES, INC. |
0 |
0 |
0 |
10 |
27 |
37 |
UNITED STATES OF AMERICA, NAVY |
4 |
8 |
3 |
6 |
16 |
37 |
FUJITSU LIMITED |
5 |
3 |
7 |
9 |
12 |
36 |
CREDENCE SYSTEMS CORPORATION |
0 |
5 |
13 |
10 |
6 |
34 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
0 |
0 |
0 |
34 |
34 |
YAZAKI CORP. |
11 |
3 |
8 |
1 |
10 |
33 |
BAKER HUGHES INCORPORATED |
2 |
2 |
4 |
6 |
18 |
32 |
TEKTRONIX INC. |
3 |
4 |
8 |
7 |
10 |
32 |
FONAR CORPORATION, INC. |
2 |
1 |
8 |
5 |
14 |
30 |
VARIAN, INC. |
0 |
4 |
5 |
8 |
12 |
29 |
WESTERN ATLAS INTERNATIONAL, INC. |
9 |
3 |
14 |
2 |
0 |
28 |
SONY CORPORATION |
8 |
5 |
6 |
6 |
2 |
27 |
CASCADE MICROTECH, INC. |
1 |
5 |
2 |
7 |
11 |
26 |
DENSO CORPORATION |
0 |
1 |
5 |
7 |
13 |
26 |
HONEYWELL INC. |
6 |
5 |
5 |
6 |
4 |
26 |
DELAWARE CAPITAL FORMATION, INC. |
4 |
3 |
4 |
9 |
5 |
25 |
LSI LOGIC CORPORATION |
4 |
3 |
7 |
4 |
7 |
25 |
GE YOKOGAWA MEDICAL SYSTEMS, LIMITED |
3 |
0 |
7 |
6 |
8 |
24 |
HITACHI, LTD |
3 |
2 |
3 |
4 |
12 |
24 |
MITUTOYO CORPORATION |
2 |
7 |
4 |
6 |
5 |
24 |
TERADYNE, INC. |
2 |
2 |
5 |
10 |
5 |
24 |
CTS CORPORATION |
3 |
3 |
4 |
8 |
2 |
20 |
DIGITAL CONTROL INCORPORATED |
2 |
7 |
4 |
3 |
4 |
20 |
FORD GLOBAL TECHNOLOGIES, INC. |
4 |
4 |
3 |
3 |
6 |
20 |
HITACHI MEDICAL CORPORATION |
4 |
1 |
4 |
6 |
5 |
20 |
MIDTRONICS, INC. |
3 |
2 |
3 |
7 |
5 |
20 |
EATON CORPORATION |
4 |
2 |
1 |
6 |
6 |
19 |
ABB POWER T&D COMPANY INC. |
7 |
4 |
3 |
3 |
1 |
18 |
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH |
2 |
5 |
1 |
5 |
5 |
18 |
MURATA MANUFACTURING CO., LTD. |
0 |
3 |
2 |
5 |
8 |
18 |
TDK CORPORATION |
2 |
1 |
1 |
8 |
6 |
18 |
XILINX, INC. |
3 |
6 |
3 |
5 |
1 |
18 |
HONEYWELL INTERNATIONAL INC. |
0 |
0 |
2 |
7 |
7 |
16 |
JOHN FLUKE MFG. CO., INC. |
4 |
4 |
2 |
2 |
4 |
16 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
2 |
5 |
5 |
2 |
2 |
16 |
SEIKO INSTRUMENTS INC. |
4 |
2 |
4 |
2 |
4 |
16 |
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF |
1 |
2 |
3 |
5 |
5 |
16 |
STMICROELECTRONICS, INC. |
1 |
3 |
4 |
2 |
6 |
16 |
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
3 |
4 |
3 |
4 |
2 |
16 |
CANON KABUSHIKI KAISHA |
2 |
2 |
2 |
5 |
4 |
15 |
SEAGATE TECHNOLOGY, LLC |
0 |
0 |
2 |
6 |
7 |
15 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
4 |
1 |
4 |
2 |
4 |
15 |
ALPS ELECTRIC CO., LTD. |
0 |
2 |
0 |
6 |
6 |
14 |
HALLIBURTON ENERGY SEVICES, INC. |
1 |
1 |
2 |
6 |
4 |
14 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
6 |
1 |
3 |
1 |
3 |
14 |
ANALOG DEVICES, INC. |
4 |
1 |
2 |
3 |
3 |
13 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
0 |
1 |
3 |
6 |
3 |
13 |
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. |
4 |
2 |
0 |
5 |
2 |
13 |
NUMAR CORPORATION |
0 |
2 |
4 |
5 |
2 |
13 |
SUMITOMO WIRING SYSTEMS, LTD., CO. |
1 |
3 |
3 |
2 |
4 |
13 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
2 |
3 |
2 |
3 |
3 |
13 |
UNITED STATES OF AMERICA, ARMY |
2 |
0 |
2 |
5 |
4 |
13 |
XEROX CORPORATION |
0 |
2 |
2 |
5 |
4 |
13 |
BRUKER ANALYTIK GMBH |
2 |
3 |
0 |
4 |
3 |
12 |
BTG INTERNATIONAL LIMITED |
0 |
0 |
8 |
4 |
0 |
12 |
INFINEON TECHNOLOGIES AG |
0 |
0 |
1 |
3 |
8 |
12 |
MANNESMANN VDO AG |
0 |
0 |
4 |
3 |
5 |
12 |
SEAGATE TECHNOLOGY, INCORPORATED |
4 |
4 |
3 |
1 |
0 |
12 |
SOUTHWEST RESEARCH INSTITUTE |
1 |
0 |
1 |
4 |
6 |
12 |
UNITED MICROELECTRONICS CORPORATION |
2 |
0 |
1 |
7 |
2 |
12 |
COMMISSARIAT A L'ENERGIE ATOMIQUE |
2 |
1 |
2 |
4 |
2 |
11 |
ITT MANUFACTURING ENTERPRISES, INC. |
0 |
3 |
2 |
2 |
4 |
11 |
NATIONAL SEMICONDUCTOR CORPORATION |
1 |
2 |
2 |
2 |
4 |
11 |
NSK LIMITED |
5 |
1 |
2 |
2 |
1 |
11 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
3 |
2 |
0 |
1 |
5 |
11 |
STMICROELECTRONICS S.A. |
0 |
0 |
1 |
5 |
5 |
11 |
TOYOTA JIDOSHA K.K. |
3 |
1 |
4 |
2 |
1 |
11 |
ABB RESEARCH LTD. |
1 |
2 |
2 |
2 |
3 |
10 |
ALLEGRO MICROSYSTEMS, INC. |
1 |
2 |
2 |
5 |
0 |
10 |
ANRITSU COMPANY |
0 |
1 |
3 |
5 |
1 |
10 |
BOEING COMPANY |
1 |
3 |
0 |
5 |
1 |
10 |
ESAOTE, S.P.A |
0 |
0 |
1 |
7 |
2 |
10 |
JENTEK SENSORS, INC. |
1 |
1 |
1 |
2 |
5 |
10 |
NIDEC-READ CORPORATION |
0 |
1 |
2 |
1 |
6 |
10 |
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. |
1 |
3 |
3 |
0 |
3 |
10 |
FORM FACTOR, INC. |
0 |
1 |
1 |
1 |
6 |
9 |
HITACHI ELECTRONICS ENGINEERING CO., LTD. |
0 |
3 |
0 |
2 |
4 |
9 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN |
3 |
1 |
3 |
1 |
1 |
9 |
JOHNS HOPKINS UNIVERSITY |
0 |
2 |
3 |
2 |
2 |
9 |
OKI ELECTRIC INDUSTRY CO., LTD. |
1 |
0 |
0 |
4 |
4 |
9 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC. |
0 |
0 |
0 |
0 |
9 |
9 |
SCHLUMBERGER TECHNOLOGIES, INC. |
0 |
1 |
1 |
3 |
4 |
9 |
SQUARE D COMPANY |
2 |
0 |
1 |
5 |
1 |
9 |
TORRINGTON COMPANY |
0 |
2 |
1 |
4 |
2 |
9 |
AGERE SYSTEMS GUARDIAN CORP. |
0 |
0 |
0 |
0 |
8 |
8 |
ASEA BROWN BOVERI AB |
1 |
2 |
0 |
2 |
3 |
8 |
AT&T CORP. |
2 |
1 |
1 |
1 |
3 |
8 |
BIOSENSE, INC. |
1 |
0 |
1 |
3 |
3 |
8 |
DOTY SCIENTIFIC, INC. |
0 |
2 |
4 |
2 |
0 |
8 |
GENERAL MOTORS CORPORATION |
3 |
1 |
1 |
2 |
1 |
8 |
SANDIA CORPORATION |
3 |
0 |
2 |
1 |
2 |
8 |
STMICROELECTRONICS S.R.L. |
0 |
0 |
0 |
4 |
4 |
8 |
SUMITOMO METAL INDUSTRIES CO., LTD. |
2 |
0 |
0 |
2 |
4 |
8 |
SUN MICROSYSTEMS, INC. |
2 |
0 |
1 |
3 |
2 |
8 |
TOKYO GAS COMPANY LIMITED |
1 |
6 |
1 |
0 |
0 |
8 |
UNITED STATES OF AMERICA, AIR FORCE |
0 |
1 |
1 |
4 |
2 |
8 |
AB ELEKTRONIK GMBH |
2 |
0 |
0 |
2 |
3 |
7 |
APPLIED MATERIALS, INC. |
0 |
2 |
2 |
0 |
3 |
7 |
ATG TEST SYSTEMS GMBH & CO. KG |
0 |
2 |
1 |
0 |
4 |
7 |
BECHTEL BWXT IDAHO, LLC |
0 |
0 |
3 |
0 |
4 |
7 |
CHRYSLER MOTORS CORPORATION |
3 |
2 |
1 |
1 |
0 |
7 |
DELCO ELECTRONICS CORPORATION |
2 |
3 |
2 |
0 |
0 |
7 |
GUZIK TECHNICAL ENTERPRISES |
1 |
1 |
1 |
4 |
0 |
7 |
HELLA KG HUECK & CO. |
0 |
0 |
1 |
2 |
4 |
7 |
LOCKHEED MARTIN CORPORATION |
0 |
2 |
1 |
2 |
2 |
7 |
NATIONAL RESEARCH COUNCIL OF CANADA |
0 |
2 |
2 |
0 |
3 |
7 |
NIPPONDENSO CO., LTD. |
4 |
2 |
1 |
0 |
0 |
7 |
PATRIOT SENSORS AND CONTROLS CORPORATION |
4 |
2 |
0 |
1 |
0 |
7 |
PHILIPS ELECTRONICS NORTH AMERICA CORP. |
4 |
0 |
1 |
2 |
0 |
7 |
SCHNEIDER ELECTRIC SA |
3 |
1 |
1 |
1 |
1 |
7 |
SHIMADZU CORPORATION |
1 |
1 |
1 |
0 |
4 |
7 |
TELEFONAKTIEBOLAGET LM ERICSSON |
0 |
2 |
1 |
0 |
4 |
7 |
TOSHIBA AMERICA MRI, INC. |
0 |
2 |
4 |
0 |
1 |
7 |
UNISIA JECS CORPORATION |
1 |
1 |
1 |
2 |
2 |
7 |
VARIAN ASSOCIATES, INC. |
5 |
1 |
1 |
0 |
0 |
7 |
ZIRCON CORPORATION |
2 |
1 |
1 |
3 |
0 |
7 |
ADE CORPORATION |
2 |
0 |
0 |
1 |
3 |
6 |
BENTLY NEVADA CORPORATION |
3 |
0 |
1 |
1 |
1 |
6 |
CANON DENSHI KABUSHIKI KAISHA |
1 |
1 |
1 |
1 |
2 |
6 |
CATERPILLAR INC. |
1 |
2 |
0 |
3 |
0 |
6 |
CERPROBE CORPORATION |
1 |
1 |
1 |
2 |
1 |
6 |
COULTER INTERNATIONAL CORP. |
0 |
0 |
1 |
4 |
1 |
6 |
DEERE + COMPANY |
0 |
0 |
0 |
4 |
2 |
6 |
DELL PRODUCTS, L.P. |
0 |
0 |
1 |
2 |
3 |
6 |
EASTMAN KODAK COMPANY |
3 |
1 |
0 |
1 |
1 |
6 |
FORSCHUNGSZENTRUM JULICH GMBH |
0 |
1 |
0 |
3 |
2 |
6 |
FORSCHUNGSZENTRUM KARLSRUHE GMBH |
0 |
2 |
1 |
1 |
2 |
6 |
GENRAD INC. |
3 |
1 |
1 |
1 |
0 |
6 |
JEOL LTD. |
1 |
1 |
1 |
1 |
2 |
6 |
JOHANNES HEIDENHAIN GMBH |
3 |
0 |
1 |
1 |
1 |
6 |
MCDONNELL DOUGLAS CORP. |
3 |
2 |
0 |
1 |
0 |
6 |
MICRO-EPSILON MESSTECHNIK GMBH & CO. KG |
0 |
1 |
0 |
3 |
2 |
6 |
MICRONAS GMBH |
0 |
0 |
0 |
2 |
4 |
6 |
MTS SYSTEMS CORPORATION |
0 |
1 |
0 |
2 |
3 |
6 |
NIPPON SIGNAL CO., LTD. |
4 |
2 |
0 |
0 |
0 |
6 |
NIPPON TELEGRAPH & TELEPHONE CORP. |
4 |
1 |
0 |
1 |
0 |
6 |
NISSAN MOTOR COMPANY, LIMITED |
1 |
2 |
0 |
2 |
1 |
6 |
NORTEL NETWORKS CORPORATION |
0 |
0 |
0 |
3 |
3 |
6 |
NORTHROP GRUMMAN CORPORATION |
2 |
2 |
0 |
1 |
1 |
6 |
PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC. |
0 |
0 |
0 |
0 |
6 |
6 |
QUANTUM MAGNETICS, INC. |
0 |
1 |
0 |
3 |
2 |
6 |
RADIODETECTION LIMITED |
1 |
2 |
2 |
0 |
1 |
6 |
RAYTHEON COMPANY |
0 |
2 |
3 |
1 |
0 |
6 |
READ-RITE CORPORATION |
4 |
0 |
0 |
0 |
2 |
6 |
ROHDE & SCHWARZ GMBH & CO. |
1 |
1 |
1 |
2 |
1 |
6 |
SHELL OIL COMPANY |
1 |
1 |
2 |
2 |
0 |
6 |
SUMITOMO SPECIAL METAL COMPANY LIMITED |
0 |
1 |
0 |
2 |
3 |
6 |
TOKIN CORPORATION |
2 |
0 |
1 |
2 |
1 |
6 |
WENTWORTH LABORATORIES, INC. |
0 |
1 |
4 |
1 |
0 |
6 |
WINBOND ELECTRONICS CORP. |
0 |
0 |
2 |
1 |
3 |
6 |
AISIN SEIKI KABUSHIKI KAISHA |
0 |
1 |
1 |
3 |
0 |
5 |
ASEA BROWN BOVERI AKTIENGESELLSCHAFT |
2 |
2 |
1 |
0 |
0 |
5 |
ATLANTIC RICHFIELD COMPANY |
1 |
2 |
2 |
0 |
0 |
5 |
AVAYA TECHNOLOGY CORP. |
0 |
0 |
0 |
2 |
3 |
5 |
BALLUFF, INC. |
0 |
1 |
0 |
2 |
2 |
5 |
BCF DESIGNS LIMITED |
0 |
0 |
1 |
3 |
1 |
5 |
BOXER CROSS, INC. |
0 |
2 |
2 |
0 |
1 |
5 |
BRIGHAM AND WOMEN'S HOSPITAL |
2 |
2 |
0 |
1 |
0 |
5 |
BRUKER AG |
0 |
0 |
2 |
2 |
1 |
5 |
CASE CORPORATION |
0 |
2 |
1 |
1 |
1 |
5 |
CASE WESTERN RESERVE UNIVERSITY |
1 |
0 |
1 |
0 |
3 |
5 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
2 |
1 |
1 |
1 |
0 |
5 |
HAUNI MASCHINENBAU AG |
1 |
0 |
1 |
0 |
3 |
5 |
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW |
1 |
0 |
1 |
1 |
2 |
5 |
KEITHLEY INSTRUMENTS, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
MARCONI MEDICAL SYSTEMS, INC. |
0 |
0 |
0 |
2 |
3 |
5 |
MEDRAD, INC. |
0 |
0 |
1 |
1 |
3 |
5 |
METHODE ELECTRONICS, INC. |
0 |
2 |
2 |
1 |
0 |
5 |
NGK SPARK PLUG CO., LTD. |
3 |
0 |
0 |
2 |
0 |
5 |
NHK SPRING CO., LTD. |
1 |
1 |
1 |
1 |
1 |
5 |
NOKIA MOBILE PHONES LTD. |
0 |
0 |
0 |
1 |
4 |
5 |
NTN CORPORATION |
3 |
1 |
1 |
0 |
0 |
5 |
OXFORD INSTRUMENTS (UK) LIMITED |
1 |
2 |
1 |
1 |
0 |
5 |
QUANTUM DESIGN, INC. |
1 |
0 |
1 |
1 |
2 |
5 |
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK |
2 |
1 |
0 |
1 |
1 |
5 |
RPI, INC. |
1 |
2 |
0 |
1 |
1 |
5 |
SEIKO EPSON CORPORATION |
1 |
1 |
1 |
1 |
1 |
5 |
SNAP-ON TECHNOLOGIES, INC. |
2 |
1 |
1 |
0 |
1 |
5 |
SSI TECHNOLOGIES, INC. |
4 |
0 |
0 |
1 |
0 |
5 |
ST ASSEMBLY TEST SERVICES, PTE LTD. |
0 |
0 |
0 |
3 |
2 |
5 |
TEMIC TELEFUNKEN MICROELECTRONIC GMBH |
2 |
1 |
1 |
1 |
0 |
5 |
TRW INC. |
2 |
0 |
0 |
1 |
2 |
5 |
UNISYS CORPORATION |
2 |
0 |
0 |
2 |
1 |
5 |
UNIVERSITY OF ILLINOIS |
1 |
0 |
1 |
2 |
1 |
5 |
UNIVERSITY OF PENNSYLVANIA |
0 |
1 |
0 |
2 |
2 |
5 |
VLSI TECHNOLOGY, INC. |
2 |
2 |
0 |
1 |
0 |
5 |
WILTRON COMPANY |
3 |
0 |
2 |
0 |
0 |
5 |