~Individually Owned Patent |
32 |
32 |
19 |
13 |
11 |
107 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
20 |
15 |
16 |
4 |
55 |
SONY CORPORATION |
13 |
19 |
8 |
7 |
8 |
55 |
DELTA ELECTRONICS INC. |
5 |
15 |
13 |
5 |
13 |
51 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
14 |
9 |
8 |
8 |
5 |
44 |
HITACHI, LTD |
8 |
16 |
13 |
5 |
1 |
43 |
MURATA MANUFACTURING CO., LTD. |
13 |
9 |
11 |
4 |
3 |
40 |
POWER INTEGRATIONS, INC. |
4 |
8 |
5 |
9 |
6 |
32 |
SIEMENS AKTIENGESELLSCHAFT |
10 |
5 |
1 |
8 |
4 |
28 |
SANKEN ELECTRIC COMPANY LIMITED |
2 |
5 |
9 |
3 |
7 |
26 |
TOSHIBA CORPORATION |
7 |
6 |
6 |
4 |
3 |
26 |
GENERAL ELECTRIC COMPANY |
10 |
6 |
3 |
4 |
1 |
24 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
5 |
10 |
2 |
1 |
6 |
24 |
TEXAS INSTRUMENTS, INCORPORATED |
8 |
4 |
5 |
3 |
3 |
23 |
ASTEC INTERNATIONAL, LTD. |
7 |
7 |
2 |
2 |
2 |
20 |
SAMSUNG ELECTRONICS CO., LTD. |
6 |
5 |
0 |
3 |
6 |
20 |
INFINEON TECHNOLOGIES AG |
8 |
2 |
7 |
2 |
0 |
19 |
INTEL CORPORATION |
5 |
5 |
7 |
2 |
0 |
19 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
4 |
11 |
2 |
1 |
1 |
19 |
FUJI ELECTRIC CO., LTD. |
3 |
7 |
4 |
2 |
2 |
18 |
FUJITSU LIMITED |
4 |
4 |
4 |
2 |
4 |
18 |
INTERNATIONAL RECTIFIER CORPORATION |
3 |
2 |
2 |
4 |
7 |
18 |
SYSTEM-GENERAL CORPORATION |
0 |
1 |
3 |
6 |
8 |
18 |
POWERWARE CORPORATION |
9 |
3 |
3 |
1 |
1 |
17 |
TDK CORPORATION |
3 |
3 |
5 |
4 |
1 |
16 |
ASEA BROWN BOVERI AB |
4 |
6 |
3 |
0 |
1 |
14 |
CANON KABUSHIKI KAISHA |
4 |
2 |
3 |
2 |
3 |
14 |
HONEYWELL INTERNATIONAL INC. |
5 |
1 |
2 |
2 |
4 |
14 |
IWATT, INC. |
2 |
4 |
0 |
0 |
7 |
13 |
ALCATEL |
6 |
2 |
1 |
3 |
0 |
12 |
ARTESYN TECHNOLOGIES, INC. |
2 |
2 |
3 |
3 |
2 |
12 |
LUCENT TECHNOLOGIES INC. |
12 |
0 |
0 |
0 |
0 |
12 |
SEIKO EPSON CORPORATION |
5 |
4 |
0 |
2 |
1 |
12 |
STMICROELECTRONICS S.R.L. |
3 |
8 |
0 |
1 |
0 |
12 |
NEC CORPORATION |
3 |
5 |
2 |
0 |
1 |
11 |
SANYO ELECTRIC CO., LTD. |
3 |
1 |
3 |
4 |
0 |
11 |
U.S. PHILIPS CORPORATION |
7 |
4 |
0 |
0 |
0 |
11 |
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. |
1 |
2 |
2 |
3 |
3 |
11 |
BALLARD POWER SYSTEMS CORPORATION |
0 |
1 |
2 |
2 |
5 |
10 |
FAIRCHILD SEMICONDUCTOR CORPORATION |
0 |
6 |
3 |
0 |
1 |
10 |
O2 MICRO INTERNATIONAL LTD. |
1 |
2 |
2 |
3 |
2 |
10 |
DENSO CORPORATION |
4 |
0 |
1 |
2 |
2 |
9 |
MOBILITY ELECTRONICS, INC. |
0 |
0 |
2 |
4 |
3 |
9 |
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC |
2 |
6 |
1 |
0 |
0 |
9 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
2 |
2 |
3 |
0 |
2 |
9 |
ADVANCED ENERGY INDUSTRIES, INC. |
1 |
1 |
3 |
2 |
1 |
8 |
BOEING COMPANY |
0 |
3 |
1 |
3 |
1 |
8 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
1 |
4 |
1 |
1 |
8 |
ILLINOIS TOOL WORKS INC. |
2 |
1 |
3 |
1 |
1 |
8 |
STMICROELECTRONICS S.A. |
1 |
2 |
2 |
0 |
3 |
8 |
TELEFONAKTIEBOLAGET LM ERICSSON |
2 |
5 |
0 |
0 |
1 |
8 |
ERICSSON, INC. |
4 |
3 |
0 |
0 |
0 |
7 |
ROBERT BOSCH GMBH |
3 |
3 |
1 |
0 |
0 |
7 |
ROCKWELL TECHNOLOGIES, LLC |
6 |
1 |
0 |
0 |
0 |
7 |
SANSHA ELECTRIC MANUFACTURING CO., LTD. |
3 |
1 |
1 |
1 |
1 |
7 |
TECHNICAL WITTS, INC. |
2 |
3 |
1 |
0 |
1 |
7 |
UNIVERSITY OF HONG KONG |
0 |
4 |
1 |
1 |
1 |
7 |
COMARCO WIRELESS TECHNOLOGIES, INC. |
2 |
0 |
0 |
2 |
2 |
6 |
FAIRCHILD KOREA SEMICONDUCTOR, LTD. |
2 |
1 |
1 |
0 |
2 |
6 |
KABUSHIKI KAISHA YASKAWA DENKI |
1 |
3 |
0 |
2 |
0 |
6 |
KOKUSAN DENKI CO., LTD |
2 |
1 |
2 |
1 |
0 |
6 |
LG ELECTRONICS INC. |
3 |
3 |
0 |
0 |
0 |
6 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
1 |
1 |
1 |
1 |
2 |
6 |
MOTOROLA, INC. |
2 |
4 |
0 |
0 |
0 |
6 |
NORTHROP GRUMMAN CORPORATION |
1 |
3 |
0 |
1 |
1 |
6 |
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH |
4 |
0 |
2 |
0 |
0 |
6 |
POWER-ONE, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC. |
0 |
4 |
1 |
0 |
1 |
6 |
THOMSON LICENSING S.A. |
2 |
1 |
2 |
0 |
1 |
6 |
TYCO ELECTRONICS POWER SYSTEMS, INC. |
0 |
0 |
2 |
3 |
1 |
6 |
YOKOGAWA ELECTRIC CORP. |
2 |
1 |
0 |
0 |
3 |
6 |
ABB (SCHWEIZ) AG |
1 |
1 |
1 |
2 |
0 |
5 |
ALSTOM |
0 |
1 |
1 |
2 |
1 |
5 |
AMERICAN SUPERCONDUCTOR CORPORATION |
0 |
3 |
0 |
1 |
1 |
5 |
DENSEI-LAMBDA KABUSHIKI KAISHA |
0 |
2 |
2 |
1 |
0 |
5 |
DI/DT, INC. |
0 |
0 |
1 |
4 |
0 |
5 |
FIDELIX Y.K. |
1 |
2 |
0 |
1 |
1 |
5 |
FUNAI ELECTRIC CO., LTD. |
3 |
0 |
1 |
1 |
0 |
5 |
GENERAL MOTORS CORPORATION |
2 |
0 |
0 |
0 |
3 |
5 |
HEWLETT-PACKARD COMPANY |
1 |
3 |
1 |
0 |
0 |
5 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
0 |
0 |
2 |
3 |
0 |
5 |
LINFINITY MICROELECTRONICS, INC. |
3 |
1 |
1 |
0 |
0 |
5 |
NAGANO JAPAN RADIO CO., LTD. |
5 |
0 |
0 |
0 |
0 |
5 |
NOKIA CORPORATION |
2 |
0 |
2 |
1 |
0 |
5 |
OKI ELECTRIC INDUSTRY CO., LTD. |
2 |
0 |
2 |
1 |
0 |
5 |
PHILIPS ELECTRONICS NORTH AMERICA CORP. |
2 |
3 |
0 |
0 |
0 |
5 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
1 |
1 |
0 |
1 |
2 |
5 |
SEMTECH CORPORATION |
1 |
0 |
1 |
3 |
0 |
5 |
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD |
1 |
0 |
1 |
1 |
2 |
5 |
SWITCH POWER, INC. |
3 |
1 |
1 |
0 |
0 |
5 |
SYNQOR, INC. |
1 |
0 |
2 |
1 |
1 |
5 |
UNIVERSITY OF CENTRAL FLORIDA |
0 |
0 |
2 |
2 |
1 |
5 |