Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492054 | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate | Mitsuo Karakane, Takashi Yasuo, Shigeru Sakamoto, Yasunori Yoshimoto, Ikuo Yonezu +1 more | 2002-12-10 |
| 6426160 | Fuel cell device | Hideo Hagino, Takashi Yasuo | 2002-07-30 |
| 6383676 | Polymer electrolyte fuel cell device | Yukinori Akiyama, Shigeru Sakamoto, Takahiro Isono, Takaaki Matsubayashi, Ikuo Yonezu +1 more | 2002-05-07 |
| 6365293 | Fuel cell having water permeability adjustment capability | Takahiro Isono, Akira Hamada, Minoru Kaneko, Kunihiro Nakato | 2002-04-02 |