Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378468 | Engine operated machine | Tadafumi Hirose | 2002-04-30 |
| 6100599 | Portable generator | Akira Fukuda | 2000-08-08 |
| 6091160 | Portable generator | Akira Fukuda | 2000-07-18 |
| 5642702 | Generator set | Tadafumi Hirose, Yoshio Tanaka | 1997-07-01 |