Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777442 | Control for electric power assisted vehicle | — | 1998-07-07 |
| 5664636 | Vehicle with electric motor | Katsumi Ikuma, Sueji Nagai, Fumio Ito, Yasuo Suganuma | 1997-09-09 |
| 5505277 | Control for electric assist vehicle | Yasuo Suganuma, Katsumi Ikuma, Sueji Nagai, Fumio Ito | 1996-04-09 |