Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033692 | Fuel cell separator | Tsunemori Yoshida, Katsunori Sugita | 2006-04-25 |
| 7029783 | Fuel cell separator and production method therefor | Tsunemori Yoshida, Katsunori Sugita | 2006-04-18 |
| 6864008 | Separator for a fuel cell and manufacturing method of the separator | Shoji Kato, Katsunori Sugita | 2005-03-08 |
| 6089965 | Polishing pad | Toshiyuki Fukumoto, Yasuaki Kawakami | 2000-07-18 |