Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956131 | Fuel cell electrode substrate incorporating separator as an intercooler and process for preparation thereof | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1990-09-11 |
| 4855092 | Process for preparing a carbonaceous fuel cell electrode substrate incorporating three-layer separator | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1989-08-08 |
| 4818640 | Carbonaceous composite product produced by joining carbonaceous materials together by tetrafluoroethylene resin, and process for producing the same | Hiroyuki Fukuda, Kiyomi Ohuchi, Hisatsugu Kaji, Kuniyuki Saitoh, Masayuki Funabashi | 1989-04-04 |
| 4800887 | X ray-transparent electrode for a living body | Hikonori Abe, Shinichi Nishiyama | 1989-01-31 |
| 4759977 | Flexible carbon material | Hiroyuki Fukuda, Yukihiro Shibuya, Kiyomi Ohuchi, Masumi Sagi, Naohiro Murayama | 1988-07-26 |
| 4748983 | X-ray transmissive electrode for a living body | Hikonori Abe, Shinichi Nishiyama | 1988-06-07 |
| 4744879 | Oxygen-cathode for use in electrolysis of alkali chloride and process for preparing the same | Tetsuo Kaminaga, Hiroyuki Fukuda | 1988-05-17 |
| 4729910 | Reinforced flexible graphite sheet | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1988-03-08 |
| 4687607 | Process for producing electrode substrate for use in fuel cells | Kuniyuki Saitoh, Hiroyuki Fukuda | 1987-08-18 |
| 4686072 | Process for preparing a carbonaceous five-layer fuel cell electrode substrate with elongated holes for feeding reactant gases | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1987-08-11 |
| 4675094 | Oxygen-cathode for use in electrolysis of alkali chloride and process for preparing the same | Tetsuo Kaminaga, Hiroyuki Fukuda | 1987-06-23 |
| 4666755 | Porous fuel cell electrode substrate having elongated holes for feeding reactant gases | Kuniyuki Saitoh, Hiroyuki Fukuda | 1987-05-19 |
| 4664988 | Fuel cell electrode substrate incorporating separator as an intercooler and process for preparation thereof | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1987-05-12 |
| 4580337 | Process for producing electrode substrate for fuel cells | Hiroyuki Fukuda, Kuniyuki Saitoh, Hisatsugu Kaji | 1986-04-08 |
| 4579789 | Carbonaceous fuel cell electrode substrate incorporating three-layer separator, and process for preparation thereof | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1986-04-01 |
| 4567086 | Carbonaceous, five-layer fuel cell electrode substrate with elongated holes for feeding reactant gases | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1986-01-28 |
| 4547418 | Ribbed substrate for fuel cell electrode | Hiroyuki Fukuda | 1985-10-15 |
| 4522895 | Multilayer fuel cell electrode substrate having elongated holes for feeding reactant gases | Hiroyuki Fukuda, Kuniyuki Saitoh, Hisatsugu Kaji | 1985-06-11 |
| 4482452 | Process for preparing raw material for producing carbon material | Yosio Isii, Akio Hoshi | 1984-11-13 |
| 4459342 | Ribbed substrate for fuel cell electrode | Kuniyuki Saitoh, Hiroyuki Fukuda | 1984-07-10 |
| 4224108 | Decoking apparatus | Hisao Takahashi, Takeshi Nomura, Kiyoji Ozaki, Haruo Izumida, Naotaka Miwa +3 more | 1980-09-23 |