Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724985 | Hot-water heating apparatus for electric vehicle and hybrid vehicle | Ken Matsunaga, Yuji Takeo, Kenichi Hasegawa, Susumu Kazama | 2004-04-20 |
| 5235944 | Engine lubricating system | — | 1993-08-17 |