MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
26 |
23 |
39 |
52 |
35 |
175 |
~Individually Owned Patent |
29 |
32 |
27 |
28 |
25 |
141 |
SANYO ELECTRIC CO., LTD. |
7 |
11 |
18 |
36 |
55 |
127 |
MOTOROLA, INC. |
23 |
9 |
21 |
6 |
9 |
68 |
EVEREADY BATTERY COMPANY, INC. |
7 |
8 |
11 |
30 |
11 |
67 |
SONY CORPORATION |
14 |
6 |
11 |
10 |
25 |
66 |
WILSON GREATBATCH LTD. |
9 |
6 |
16 |
15 |
16 |
62 |
VALENCE TECHNOLOGY, INC. |
19 |
9 |
12 |
8 |
9 |
57 |
PLUG POWER INC. |
0 |
8 |
9 |
17 |
19 |
53 |
BALLARD POWER SYSTEMS INC. |
6 |
6 |
11 |
9 |
13 |
45 |
GENERAL MOTORS CORPORATION |
3 |
4 |
7 |
8 |
22 |
44 |
JAPAN STORAGE BATTERY COMPANY LIMITED |
6 |
3 |
9 |
9 |
16 |
43 |
SAMSUNG DISPLAY DEVICES CO., LTD. |
8 |
11 |
5 |
12 |
7 |
43 |
ALCATEL |
0 |
4 |
10 |
14 |
14 |
42 |
TOSHIBA CORPORATION |
10 |
3 |
8 |
9 |
12 |
42 |
GILLETTE COMPANY |
0 |
0 |
2 |
13 |
21 |
36 |
RAY-O-VAC CORPORATION |
8 |
7 |
6 |
10 |
4 |
35 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
9 |
1 |
6 |
7 |
11 |
34 |
INTERNATIONAL FUEL CELLS, LLC |
1 |
0 |
10 |
18 |
1 |
30 |
MITSUBISHI CHEMICAL CORPORATION |
2 |
8 |
9 |
8 |
3 |
30 |
AER ENERGY RESOURCES, INC. |
2 |
5 |
5 |
8 |
8 |
28 |
CANON KABUSHIKI KAISHA |
6 |
7 |
3 |
5 |
7 |
28 |
DURACELL INC. |
5 |
8 |
11 |
4 |
0 |
28 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
0 |
2 |
3 |
7 |
16 |
28 |
SAMSUNG SDI CO., LTD. |
0 |
0 |
0 |
8 |
20 |
28 |
SIEMENS AKTIENGESELLSCHAFT |
0 |
7 |
12 |
7 |
2 |
28 |
TOYOTA JIDOSHA K.K. |
2 |
3 |
8 |
8 |
7 |
28 |
GNB TECHNOLOGIES, INC. |
2 |
10 |
6 |
5 |
4 |
27 |
NEC CORPORATION |
2 |
3 |
4 |
10 |
7 |
26 |
FUJI PHOTO FILM CO., LTD |
5 |
7 |
6 |
4 |
2 |
24 |
MOLTECH CORPORATION |
0 |
3 |
3 |
11 |
7 |
24 |
REVEO, INC. |
0 |
0 |
0 |
11 |
13 |
24 |
UTC FUEL CELLS, LLC |
0 |
0 |
0 |
0 |
23 |
23 |
3M INNOVATIVE PROPERTIES COMPANY |
0 |
0 |
8 |
8 |
5 |
21 |
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. |
1 |
2 |
3 |
7 |
8 |
21 |
OVONIC BATTERY COMPANY, INC. |
3 |
3 |
3 |
3 |
9 |
21 |
NGK INSULATORS LTD. |
2 |
4 |
2 |
3 |
9 |
20 |
JOHNSON CONTROLS TECHNOLOGY COMPANY |
1 |
2 |
3 |
9 |
3 |
18 |
SIEMENS WESTINGHOUSE POWER CORPORATION |
0 |
6 |
3 |
4 |
5 |
18 |
MICRON COMMUNICATIONS, INC. |
10 |
5 |
2 |
0 |
0 |
17 |
MICRON TECHNOLOGY, INC. |
0 |
0 |
7 |
7 |
3 |
17 |
SAFT-SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION |
6 |
5 |
5 |
0 |
1 |
17 |
DELPHI TECHNOLOGIES, INC. |
0 |
0 |
3 |
4 |
9 |
16 |
MEDTRONIC INC. |
4 |
2 |
6 |
3 |
1 |
16 |
VARTA BATTERIE A.G. |
5 |
2 |
6 |
3 |
0 |
16 |
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. |
2 |
4 |
3 |
1 |
5 |
15 |
U.S. PHILIPS CORPORATION |
1 |
5 |
6 |
1 |
2 |
15 |
HITACHI, LTD |
1 |
2 |
2 |
4 |
5 |
14 |
POLYPLUS BATTERY COMPANY, INC. |
2 |
1 |
4 |
4 |
3 |
14 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
3 |
4 |
5 |
0 |
2 |
14 |
CELGARD INC. |
0 |
2 |
4 |
3 |
4 |
13 |
TOYO KOHAN CO., LTD. |
0 |
2 |
1 |
5 |
5 |
13 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
2 |
2 |
3 |
4 |
2 |
13 |
AISIN SEIKI KABUSHIKI KAISHA |
2 |
1 |
2 |
3 |
4 |
12 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
0 |
2 |
2 |
2 |
6 |
12 |
FORSCHUNGSZENTRUM JULICH GMBH |
2 |
3 |
2 |
3 |
2 |
12 |
INTERNATIONAL FUEL CELLS CORPORATION |
2 |
2 |
5 |
3 |
0 |
12 |
ALPS ELECTRIC CO., LTD. |
1 |
0 |
2 |
6 |
2 |
11 |
DOW CHEMICAL COMPANY |
1 |
4 |
3 |
3 |
0 |
11 |
HYDRO-QUEBEC CORPORATION |
1 |
1 |
2 |
4 |
3 |
11 |
NISSAN MOTOR COMPANY, LIMITED |
1 |
1 |
0 |
2 |
7 |
11 |
SPACE SYSTEMS/LORAL, INC. |
1 |
4 |
0 |
5 |
1 |
11 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
2 |
1 |
4 |
2 |
2 |
11 |
TOSHIBA BATTERY CO., LTD. |
1 |
1 |
1 |
3 |
5 |
11 |
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY |
0 |
3 |
4 |
0 |
4 |
11 |
SHIN ETSU CHEMICAL CO., LTD. |
0 |
4 |
2 |
4 |
0 |
10 |
GAS RESEARCH INSTITUTE |
3 |
2 |
3 |
1 |
0 |
9 |
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO |
0 |
1 |
4 |
2 |
2 |
9 |
LYNNTECH, INC. |
1 |
1 |
3 |
1 |
3 |
9 |
MITSUBISHI HEAVY INDUSTRIES CO., LTD. |
0 |
0 |
1 |
5 |
3 |
9 |
MOLTECH POWER SYSTEMS, INC. |
0 |
0 |
2 |
3 |
4 |
9 |
SULZER HEXIS AG |
0 |
2 |
0 |
6 |
1 |
9 |
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA |
1 |
2 |
1 |
1 |
4 |
9 |
YAZAKI CORP. |
3 |
1 |
3 |
2 |
0 |
9 |
BLACK & DECKER INC. |
3 |
2 |
0 |
1 |
2 |
8 |
DAIKIN INDUSTRIES LIMITED |
3 |
0 |
1 |
2 |
2 |
8 |
E. I. DU PONT DE NEMOURS AND COMPANY |
2 |
3 |
2 |
1 |
0 |
8 |
ENSCI INCORPORATED |
1 |
1 |
1 |
4 |
1 |
8 |
FORD GLOBAL TECHNOLOGIES, INC. |
1 |
1 |
1 |
2 |
3 |
8 |
HUGHES ELECTRONICS CORP. |
1 |
1 |
4 |
1 |
1 |
8 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN |
1 |
2 |
0 |
2 |
3 |
8 |
LUCENT TECHNOLOGIES INC. |
0 |
2 |
2 |
4 |
0 |
8 |
UBE INDUSTRIES LTD. |
0 |
0 |
3 |
0 |
5 |
8 |
DANIONICS A/S |
0 |
1 |
1 |
3 |
2 |
7 |
DENSO CORPORATION |
0 |
1 |
4 |
1 |
1 |
7 |
ENERGY CONVERSION DEVICES, INC. |
0 |
2 |
0 |
2 |
3 |
7 |
FMC CORPORATION |
2 |
0 |
3 |
2 |
0 |
7 |
FUJITSU LIMITED |
2 |
1 |
2 |
1 |
1 |
7 |
FURUKAWA DENCHI KABUSHIKI KAISHA |
5 |
2 |
0 |
0 |
0 |
7 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
1 |
2 |
2 |
1 |
1 |
7 |
MITSUI MINING + SMELTING CO., LTD. |
3 |
1 |
0 |
0 |
3 |
7 |
MURATA MANUFACTURING CO., LTD. |
0 |
0 |
1 |
6 |
0 |
7 |
NISSHINBO INDUSTRIES, INC. |
0 |
1 |
0 |
1 |
5 |
7 |
SRI INTERNATIONAL |
2 |
0 |
2 |
2 |
1 |
7 |
TANAKA KIKINZOKU KOGYO K.K. |
6 |
1 |
0 |
0 |
0 |
7 |
TDK CORPORATION |
0 |
0 |
1 |
3 |
3 |
7 |
UNITED STATES OF AMERICA, ARMY |
2 |
1 |
0 |
2 |
2 |
7 |
ASAHI KASEI KOGYO KABUSHIKI KAISHA |
0 |
2 |
0 |
2 |
2 |
6 |
C&D/CHARTER HOLDINGS, INC. |
0 |
0 |
0 |
3 |
3 |
6 |
DARAMIC, INC. |
1 |
1 |
2 |
0 |
2 |
6 |
DOUGLAS BATTERY MANUFACTURING CO. |
3 |
0 |
2 |
1 |
0 |
6 |
ELECTRIC FUEL LIMITED |
1 |
1 |
2 |
1 |
1 |
6 |
ENERGY RESEARCH CORPORATION |
2 |
2 |
1 |
1 |
0 |
6 |
H-POWER CORP. |
1 |
2 |
3 |
0 |
0 |
6 |
HITACHI MAXELL, LTD. |
0 |
2 |
2 |
0 |
2 |
6 |
IDATECH LLC |
0 |
0 |
0 |
1 |
5 |
6 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
0 |
2 |
3 |
1 |
0 |
6 |
JAPAN VILENE COMPANY LTD. |
0 |
0 |
2 |
1 |
3 |
6 |
KAO KABUSHIKI KAISHA (KAO CORPORATION) |
0 |
0 |
1 |
2 |
3 |
6 |
KATAYAMA SPECIAL INDUSTRIES, LTD. |
1 |
0 |
1 |
0 |
4 |
6 |
MOLI ENERGY (1990) LIMITED |
4 |
0 |
0 |
1 |
1 |
6 |
POLYSTOR CORPORATION |
2 |
1 |
1 |
0 |
2 |
6 |
TELCORDIA TECHNOLOGIES, INC. |
0 |
1 |
2 |
0 |
3 |
6 |
YUASA CORPORATION |
2 |
1 |
1 |
1 |
1 |
6 |
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY |
0 |
1 |
3 |
1 |
0 |
5 |
ALLIED-SIGNAL INC. |
0 |
1 |
0 |
4 |
0 |
5 |
AMTEK RESEARCH INTERNATIONAL LLC |
1 |
3 |
1 |
0 |
0 |
5 |
AVISTA LABORATORIES, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
BROOKHAVEN SCIENCE ASSOCIATES LLC |
0 |
0 |
2 |
2 |
1 |
5 |
CORNING INCORPORATED |
1 |
1 |
1 |
1 |
1 |
5 |
DE NORA S.P.A. |
0 |
0 |
4 |
0 |
1 |
5 |
DEGUSSA AKTIENGESELLSCHAFT |
0 |
3 |
1 |
1 |
0 |
5 |
ELECTRO CHEMICAL HOLDINGS SOCIETE ANONYME |
3 |
2 |
0 |
0 |
0 |
5 |
ELECTRO FUEL, INC. |
0 |
1 |
2 |
1 |
1 |
5 |
ERICSSON, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANTEN FORSCHUNG E.V. |
1 |
4 |
0 |
0 |
0 |
5 |
FUELCELL ENERGY, INC. |
0 |
0 |
0 |
0 |
5 |
5 |
KUREHA KAGAKU KOGYO K.K. |
2 |
0 |
0 |
2 |
1 |
5 |
LITHIUM TECHNOLOGY CORPORATION |
0 |
0 |
1 |
3 |
1 |
5 |
M-C POWER CORPORATION |
2 |
1 |
2 |
0 |
0 |
5 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
0 |
0 |
1 |
1 |
3 |
5 |
MICROCELL CORPORATION |
0 |
0 |
0 |
0 |
5 |
5 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
0 |
4 |
0 |
1 |
0 |
5 |
MITSUBISHI MATERIALS CORPORATION |
0 |
2 |
2 |
1 |
0 |
5 |
NIPPON MOLI ENERGY CORP. |
1 |
1 |
2 |
1 |
0 |
5 |
OSAKA GAS COMPANY, LIMITED |
2 |
1 |
1 |
0 |
1 |
5 |
RAMOT UNIVERSITY AUTHORITY FOR APPLIED RESEARCH AND INDUSTRIAL DEVELOPMENT LIMITED |
0 |
0 |
0 |
2 |
3 |
5 |
SAMSUNG ELECTRONICS CO., LTD. |
2 |
2 |
1 |
0 |
0 |
5 |
SHOWA DENKO KABUSHIKI KAISHA |
0 |
1 |
1 |
2 |
1 |
5 |
TECHNOLOGY MANAGEMENT, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
UNITED STATES OF AMERICA, NAVY |
2 |
0 |
0 |
2 |
1 |
5 |
UNIVERSITY OF CHICAGO |
1 |
2 |
1 |
1 |
0 |
5 |
UNIVERSITY OF IOWA RESEARCH FOUNDATION |
0 |
2 |
0 |
2 |
1 |
5 |
XCELLSIS GMBH |
0 |
0 |
0 |
3 |
2 |
5 |
ZTEK CORPORATION |
1 |
1 |
2 |
0 |
1 |
5 |