Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713213 | Non-aqueous electrolyte secondary battery with an organic magnesium electrolyte compound | Shuji Ito, Osamu Yamamoto, Hiromu Matsuda | 2004-03-30 |
| 6689504 | Fuel cell stack with separator of a laminate structure | Toshihiro Matsumoto, Kazuhito Hatoh, Hisaaki Gyoten, Hideo Ohara, Kazufumi Nishida | 2004-02-10 |
| 6667268 | Polymer electrolyte fuel cell having a porous catalyst layer and a method for manufacturing the same | Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Junji Morita | 2003-12-23 |
| 6660419 | Solid polymer electrolyte fuel cell | Kazufumi Nishida, Eiichi Yasumoto, Hisaaki Gyoten, Kazuhito Hatoh, Makoto Uchida +4 more | 2003-12-09 |
| 6660424 | Fuel cell and method of manufacture thereof | Hisaaki Gyoten, Eiichi Yasumoto, Makoto Uchida, Yasushi Sugawara, Kazufumi Nishida +6 more | 2003-12-09 |
| 6531236 | Polymer electrolyte fuel cell stack | Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara +3 more | 2003-03-11 |
| 6372373 | Solid polymer electrolyte fuel cell and method for producing the same | Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Hideo Ohara, Eiichi Yasumoto +4 more | 2002-04-16 |
| 6329093 | Polymer electrolyte fuel cell stack | Hideo Ohara, Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Makoto Uchida +3 more | 2001-12-11 |
| 6265109 | Magnesium alloy battery | Osamu Yamamoto, Shuji Ito | 2001-07-24 |
| 6210823 | Polymer electrolyte fuel cell | Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara +4 more | 2001-04-03 |
| 6187464 | Method for activating fuel cell | Eiichi Yasumoto, Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida | 2001-02-13 |
| 6043975 | Capacitors using ion conductive polymer electrolyte | Tooru Matsui, Kenichi Takeyama | 2000-03-28 |
| 5994877 | Method for detecting working condition of non-aqueous electrolyte secondary batteries | Hajime Seri, Yoshinori Yamada, Kenichi Takeyama | 1999-11-30 |
| 5900182 | Ion-conductive polymer electrolyte, method for producing the same and capacitors using the same electrolyte | Tooru Matsui, Kenichi Takeyama | 1999-05-04 |
| 5616274 | Ion-conductive polymer electrolyte and electrolytic capacitor using the same | Yuichiro Tsubaki, Kenichi Takeyama | 1997-04-01 |
| 5538811 | Ionic conductive polymer electrolyte | Kenichi Takeyama, Yuichiro Tsubaki | 1996-07-23 |
| 5526224 | Ion-conductive polymer electrolyte and electrolytic capacitor using the same | Kenichi Takeyama | 1996-06-11 |
| 5485346 | Electrolyte for driving electrolytic capacitor and the electrolytic capacitor | Yuichiro Tsubaki | 1996-01-16 |
| 5388026 | Electrolytic capacitor and method for producing the same | Yuichiro Tsubaki, Tadashi Sotomura, Kenichi Takeyama | 1995-02-07 |
| 5344499 | Electric device of hydrogenated amorphous silicon and method of manufacture | Shigeo Kondo | 1994-09-06 |
| 5324599 | Reversible electrode material | Noboru Oyama, Katsuhiko Naoi, Tadashi Sotomura, Hiroshi Uemachi, Yoshiko Sato +1 more | 1994-06-28 |
| 5275750 | Method of manufacturing a solid polymer electrolyte | Yoshiko Sato, Hiroshi Uemachi, Tadashi Sotomura, Kenichi Takeyama | 1994-01-04 |
| 4789610 | Solid-electrolyte secondary cell | Shigeo Kondo, Tadashi Sotomura, Satoshi Sekido | 1988-12-06 |