Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956131 | Fuel cell electrode substrate incorporating separator as an intercooler and process for preparation thereof | Masatomo Shigeta, Hiroyuki Fukuda, Hisatsugu Kaji | 1990-09-11 |
| 4855092 | Process for preparing a carbonaceous fuel cell electrode substrate incorporating three-layer separator | Hiroyuki Fukuda, Masatomo Shigeta, Hisatsugu Kaji | 1989-08-08 |
| 4818640 | Carbonaceous composite product produced by joining carbonaceous materials together by tetrafluoroethylene resin, and process for producing the same | Hiroyuki Fukuda, Masatomo Shigeta, Kiyomi Ohuchi, Hisatsugu Kaji, Masayuki Funabashi | 1989-04-04 |
| 4794043 | Carbon product comprising carbonaceous materials joined together, said carbon product for electrode substrate of fuel cells and process for production thereof | Hisatsugu Kaji | 1988-12-27 |
| 4778736 | Electrode substrate provided with manifold, for a fuel cell and process for producing the same | Hisatsugu Kaji | 1988-10-18 |
| 4743519 | Fuel cell electrode substrate provided with peripheral sealers | Hisatsugu Kaji | 1988-05-10 |
| 4729910 | Reinforced flexible graphite sheet | Hiroyuki Fukuda, Masatomo Shigeta, Hisatsugu Kaji | 1988-03-08 |
| 4687607 | Process for producing electrode substrate for use in fuel cells | Masatomo Shigeta, 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, Masatomo Shigeta, Hisatsugu Kaji | 1987-08-11 |
| 4666755 | Porous fuel cell electrode substrate having elongated holes for feeding reactant gases | Masatomo Shigeta, Hiroyuki Fukuda | 1987-05-19 |
| 4664988 | Fuel cell electrode substrate incorporating separator as an intercooler and process for preparation thereof | Masatomo Shigeta, Hiroyuki Fukuda, Hisatsugu Kaji | 1987-05-12 |
| 4580337 | Process for producing electrode substrate for fuel cells | Masatomo Shigeta, Hiroyuki Fukuda, Hisatsugu Kaji | 1986-04-08 |
| 4579789 | Carbonaceous fuel cell electrode substrate incorporating three-layer separator, and process for preparation thereof | Hiroyuki Fukuda, Masatomo Shigeta, Hisatsugu Kaji | 1986-04-01 |
| 4567086 | Carbonaceous, five-layer fuel cell electrode substrate with elongated holes for feeding reactant gases | Hiroyuki Fukuda, Masatomo Shigeta, Hisatsugu Kaji | 1986-01-28 |
| 4522895 | Multilayer fuel cell electrode substrate having elongated holes for feeding reactant gases | Masatomo Shigeta, Hiroyuki Fukuda, Hisatsugu Kaji | 1985-06-11 |
| 4459342 | Ribbed substrate for fuel cell electrode | Masatomo Shigeta, Hiroyuki Fukuda | 1984-07-10 |