Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492054 | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate | Mitsuo Karakane, Shigeru Sakamoto, Yasunori Yoshimoto, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-12-10 |
| 6426160 | Fuel cell device | Hideo Hagino, Yasuo Miyake | 2002-07-30 |