Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861348 | Fuel reforming apparatus | Kazuhito Koyama, Shigehisa Sugita, Nobuhiro Seiki, Asao Hanzawa | 1989-08-29 |
| 4820594 | Method of starting fuel cell power generation system | Shigehisa Sugita, Kazuhito Koyama, Koji Shiina, Michio Kuroda, Yoshiki Noguchi | 1989-04-11 |