~Individually Owned Patent |
28 |
32 |
32 |
19 |
13 |
124 |
LUCENT TECHNOLOGIES INC. |
41 |
12 |
0 |
0 |
0 |
53 |
SONY CORPORATION |
5 |
13 |
19 |
8 |
7 |
52 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
0 |
20 |
15 |
16 |
51 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
10 |
14 |
9 |
8 |
8 |
49 |
MURATA MANUFACTURING CO., LTD. |
12 |
13 |
9 |
11 |
4 |
49 |
HITACHI, LTD |
6 |
8 |
16 |
13 |
5 |
48 |
DELTA ELECTRONICS INC. |
4 |
5 |
15 |
13 |
5 |
42 |
TOSHIBA CORPORATION |
11 |
7 |
6 |
6 |
4 |
34 |
SIEMENS AKTIENGESELLSCHAFT |
8 |
10 |
5 |
1 |
8 |
32 |
GENERAL ELECTRIC COMPANY |
6 |
10 |
6 |
3 |
4 |
29 |
POWER INTEGRATIONS, INC. |
2 |
4 |
8 |
5 |
9 |
28 |
FUJI ELECTRIC CO., LTD. |
9 |
3 |
7 |
4 |
2 |
25 |
U.S. PHILIPS CORPORATION |
14 |
7 |
4 |
0 |
0 |
25 |
ASTEC INTERNATIONAL, LTD. |
6 |
7 |
7 |
2 |
2 |
24 |
INTEL CORPORATION |
3 |
5 |
5 |
7 |
2 |
22 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
4 |
4 |
11 |
2 |
1 |
22 |
TEXAS INSTRUMENTS, INCORPORATED |
2 |
8 |
4 |
5 |
3 |
22 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
3 |
5 |
10 |
2 |
1 |
21 |
SANKEN ELECTRIC COMPANY LIMITED |
1 |
2 |
5 |
9 |
3 |
20 |
ASEA BROWN BOVERI AB |
6 |
4 |
6 |
3 |
0 |
19 |
INFINEON TECHNOLOGIES AG |
0 |
8 |
2 |
7 |
2 |
19 |
ALCATEL |
6 |
6 |
2 |
1 |
3 |
18 |
SAMSUNG ELECTRONICS CO., LTD. |
4 |
6 |
5 |
0 |
3 |
18 |
TDK CORPORATION |
3 |
3 |
3 |
5 |
4 |
18 |
POWERWARE CORPORATION |
1 |
9 |
3 |
3 |
1 |
17 |
STMICROELECTRONICS S.R.L. |
5 |
3 |
8 |
0 |
1 |
17 |
FUJITSU LIMITED |
1 |
4 |
4 |
4 |
2 |
15 |
INTERNATIONAL RECTIFIER CORPORATION |
3 |
3 |
2 |
2 |
4 |
14 |
NEC CORPORATION |
4 |
3 |
5 |
2 |
0 |
14 |
SANYO ELECTRIC CO., LTD. |
3 |
3 |
1 |
3 |
4 |
14 |
CANON KABUSHIKI KAISHA |
2 |
4 |
2 |
3 |
2 |
13 |
ERICSSON, INC. |
5 |
4 |
3 |
0 |
0 |
12 |
MOTOROLA, INC. |
6 |
2 |
4 |
0 |
0 |
12 |
TELEFONAKTIEBOLAGET LM ERICSSON |
5 |
2 |
5 |
0 |
0 |
12 |
ARTESYN TECHNOLOGIES, INC. |
1 |
2 |
2 |
3 |
3 |
11 |
SEIKO EPSON CORPORATION |
0 |
5 |
4 |
0 |
2 |
11 |
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC |
2 |
2 |
6 |
1 |
0 |
11 |
HONEYWELL INTERNATIONAL INC. |
0 |
5 |
1 |
2 |
2 |
10 |
PHILIPS ELECTRONICS NORTH AMERICA CORP. |
5 |
2 |
3 |
0 |
0 |
10 |
SYSTEM-GENERAL CORPORATION |
0 |
0 |
1 |
3 |
6 |
10 |
DENSO CORPORATION |
2 |
4 |
0 |
1 |
2 |
9 |
FAIRCHILD SEMICONDUCTOR CORPORATION |
0 |
0 |
6 |
3 |
0 |
9 |
ILLINOIS TOOL WORKS INC. |
2 |
2 |
1 |
3 |
1 |
9 |
NORTHROP GRUMMAN CORPORATION |
4 |
1 |
3 |
0 |
1 |
9 |
ROCKWELL TECHNOLOGIES, LLC |
2 |
6 |
1 |
0 |
0 |
9 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
2 |
2 |
2 |
3 |
0 |
9 |
THOMSON LICENSING S.A. |
4 |
2 |
1 |
2 |
0 |
9 |
BOEING COMPANY |
1 |
0 |
3 |
1 |
3 |
8 |
MATSUSHITA ELECTRIC WORKS, LTD. |
6 |
1 |
0 |
1 |
0 |
8 |
O2 MICRO INTERNATIONAL LTD. |
0 |
1 |
2 |
2 |
3 |
8 |
OTIS ELEVATOR COMPANY |
6 |
0 |
1 |
0 |
1 |
8 |
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH |
2 |
4 |
0 |
2 |
0 |
8 |
ROBERT BOSCH GMBH |
1 |
3 |
3 |
1 |
0 |
8 |
SANSHA ELECTRIC MANUFACTURING CO., LTD. |
2 |
3 |
1 |
1 |
1 |
8 |
TECHNICAL WITTS, INC. |
2 |
2 |
3 |
1 |
0 |
8 |
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. |
0 |
1 |
2 |
2 |
3 |
8 |
ADVANCED ENERGY INDUSTRIES, INC. |
0 |
1 |
1 |
3 |
2 |
7 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
0 |
1 |
1 |
4 |
1 |
7 |
KABUSHIKI KAISHA YASKAWA DENKI |
1 |
1 |
3 |
0 |
2 |
7 |
LG ELECTRONICS INC. |
1 |
3 |
3 |
0 |
0 |
7 |
STMICROELECTRONICS S.A. |
2 |
1 |
2 |
2 |
0 |
7 |
UNIVERSITY OF HONG KONG |
1 |
0 |
4 |
1 |
1 |
7 |
DELL PRODUCTS, L.P. |
2 |
3 |
0 |
1 |
0 |
6 |
FAIRCHILD KOREA SEMICONDUCTOR, LTD. |
2 |
2 |
1 |
1 |
0 |
6 |
FIDELIX Y.K. |
2 |
1 |
2 |
0 |
1 |
6 |
HEWLETT-PACKARD COMPANY |
1 |
1 |
3 |
1 |
0 |
6 |
HUGHES ELECTRONICS CORP. |
3 |
3 |
0 |
0 |
0 |
6 |
IWATT, INC. |
0 |
2 |
4 |
0 |
0 |
6 |
KOKUSAN DENKI CO., LTD |
0 |
2 |
1 |
2 |
1 |
6 |
MOBILITY ELECTRONICS, INC. |
0 |
0 |
0 |
2 |
4 |
6 |
NAGANO JAPAN RADIO CO., LTD. |
1 |
5 |
0 |
0 |
0 |
6 |
OKI ELECTRIC INDUSTRY CO., LTD. |
1 |
2 |
0 |
2 |
1 |
6 |
POWER-ONE, INC. |
0 |
4 |
2 |
0 |
0 |
6 |
SEMTECH CORPORATION |
1 |
1 |
0 |
1 |
3 |
6 |
SGS-THOMSON MICROELECTRONICS S.A. |
3 |
3 |
0 |
0 |
0 |
6 |
ABB (SCHWEIZ) AG |
0 |
1 |
1 |
1 |
2 |
5 |
ABB PATENT GMBH |
1 |
2 |
1 |
1 |
0 |
5 |
BALLARD POWER SYSTEMS CORPORATION |
0 |
0 |
1 |
2 |
2 |
5 |
COMARCO WIRELESS TECHNOLOGIES, INC. |
1 |
2 |
0 |
0 |
2 |
5 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
4 |
0 |
1 |
0 |
0 |
5 |
DENSEI-LAMBDA KABUSHIKI KAISHA |
0 |
0 |
2 |
2 |
1 |
5 |
DEUTSCHE THOMSON-BRANDT GMBH |
3 |
1 |
1 |
0 |
0 |
5 |
DI/DT, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
FUNAI ELECTRIC CO., LTD. |
0 |
3 |
0 |
1 |
1 |
5 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
0 |
0 |
0 |
2 |
3 |
5 |
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. |
2 |
2 |
1 |
0 |
0 |
5 |
LINFINITY MICROELECTRONICS, INC. |
0 |
3 |
1 |
1 |
0 |
5 |
NOKIA CORPORATION |
0 |
2 |
0 |
2 |
1 |
5 |
ROBICON CORPORATION |
1 |
2 |
1 |
0 |
1 |
5 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC. |
0 |
0 |
4 |
1 |
0 |
5 |
SEMIKRON ELEKTRONIK GMBH |
1 |
0 |
1 |
0 |
3 |
5 |
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD |
2 |
1 |
0 |
1 |
1 |
5 |
SWITCH POWER, INC. |
0 |
3 |
1 |
1 |
0 |
5 |
TYCO ELECTRONICS POWER SYSTEMS, INC. |
0 |
0 |
0 |
2 |
3 |
5 |
VLT CORPORATION |
1 |
2 |
1 |
1 |
0 |
5 |