Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525430 | Portable engine generator having a fan cover with a control unit mounting portion | Kouichi Asai, Ryuji Tsuru, Yasuhiro Shinkawa | 2003-02-25 |
| 6392173 | Automatic switchover device for power source | Tsutomu Hirano, Koichi Asai | 2002-05-21 |
| 6362537 | Power unit | Koichi Asai, Motohiro Shimizu | 2002-03-26 |
| 6344988 | Power unit | Koichi Asai, Motohiro Shimizu | 2002-02-05 |
| 6320356 | Power unit | Koichi Asai, Motohiro Shimizu | 2001-11-20 |
| 6219268 | Power unit | Koichi Asai, Motohiro Shimizu | 2001-04-17 |