Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820594 | Method of starting fuel cell power generation system | Shigehisa Sugita, Kazuhito Koyama, Seiichiro Sakaguchi, Michio Kuroda, Yoshiki Noguchi | 1989-04-11 |
| 4546608 | Thermo-siphon type generator apparatus | Seiichiro Sakaguchi, Yasuaki Akatsu | 1985-10-15 |