Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12132235 | Fuel cell separator | — | 2024-10-29 |
| 11108053 | Resin composition for dense fuel cell separators | Yasuhito Nakagawa | 2021-08-31 |
| 10396367 | Fuel cell separator | — | 2019-08-27 |
| 9768452 | Fuel cell separator | — | 2017-09-19 |
| 8372192 | Fuel cell separator | — | 2013-02-12 |
| 7125624 | Fuel cell separator and method of manufacture | — | 2006-10-24 |
| 6890678 | Separator for fuel cell | — | 2005-05-10 |
| 6803139 | Electrically conductive resinous composition, fuel cell separator and production thereof, and polymer electrolyte fuel cell | Kazuo Saito, Atsushi Hagiwara, Yasuo Imashiro, Naofumi Horie, Tsutomu Uehara | 2004-10-12 |
| 6461755 | ELECTROCONDUCTIVE RESIN COMPOSITION, FUEL CELL SEPARATOR MADE OF SAID ELECTROCONDUCTIVE RESIN COMPOSITION, PROCESS FOR PRODUCTION OF SAID FUEL CELL SEPARATOR, AND SOLID POLYMER TYPE FUEL CELL USING SAID FUEL CELL SEPARATOR | Kazuo Saito, Atsushi Hagiwara, Yasuo Imashiro, Naofumi Horie, Tsutomu Uehara | 2002-10-08 |
| 6436567 | Separator for fuel cells | Kazuo Saito, Atsushi Hagiwara, Toshiharu Okamoto, Kazutoshi Hamada | 2002-08-20 |
| 6348279 | Separator for polymeric electrolyte fuel cell having a roughened surface | Kazuo Saito, Atsushi Hagiwara | 2002-02-19 |
| 6242124 | Separator for polymer electrolyte fuel cells and processes for production thereof | Kazuo Saito, Atsushi Hagiwara | 2001-06-05 |
| 6024900 | Process for production of a carbon composite material | Kazuo Saito, Atsushi Hagiwara | 2000-02-15 |
| 5776372 | Carbon composite material | Kazuo Saito, Atsushi Hagiwara | 1998-07-07 |