Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383676 | Polymer electrolyte fuel cell device | Yukinori Akiyama, Shigeru Sakamoto, Takaaki Matsubayashi, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-05-07 |
| 6365293 | Fuel cell having water permeability adjustment capability | Yasuo Miyake, Akira Hamada, Minoru Kaneko, Kunihiro Nakato | 2002-04-02 |