Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789094 | Fuel cell and sealing parts therefore | Jitsuji Otsuki, Yasuhira Kikuoka, Tatsunori Okada, Mitsuie Matsumura, Toshio Shinoki +2 more | 1998-08-04 |
| 5616431 | Fuel cell and its bipolar plate | Jitsuji Otsuki, Yasuhira Kikuoka, Tatsunori Okada, Mitsuie Matsumura, Toshio Shinoki +2 more | 1997-04-01 |