Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841282 | Fuel cell | Narutoshi Sugita, Masajiro Inoue, Hideaki Kikuchi | 2005-01-11 |
| 6833210 | Fuel cell | Hideaki Kikuchi, Narutoshi Sugita, Hiroyuki Tanaka, Toshiya Wakahoi, Keisuke Andou | 2004-12-21 |
| 6811909 | Fuel cell | Narutoshi Sugita | 2004-11-02 |