Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455109 | Electrode for fuel cell and method of producing the same | Eiichi Yasumoto, Hisaaki Gyoten, Makoto Uchida, Yasushi Sugawara, Yasutomo Funakoshi +1 more | 2002-09-24 |
| 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 |
| 6210823 | Polymer electrolyte fuel cell | Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Hideo Ohara +4 more | 2001-04-03 |
| 5309308 | Cassette-detection device for use in magnetic tape apparatuses | Masafumi Kurata, Hideo Yoshida | 1994-05-03 |
| 4892418 | Hydrodynamic bearing device | Takafumi Asada, Jiro Kataoka | 1990-01-09 |