Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724985 | Hot-water heating apparatus for electric vehicle and hybrid vehicle | Ken Matsunaga, Kenichi Hasegawa, Susumu Kazama, Yoshihiko Adachi | 2004-04-20 |
| 6713729 | Electric load control system and vehicle air-conditioning system having the same | Ken Matsunaga, Hisashi Ieda, Mitsuyo Oomura | 2004-03-30 |
| 6690560 | Electrical load controller and vehicle air conditioner using the same | Ken Matsunaga, Kyohsuke Hattori | 2004-02-10 |
| 6675597 | Vehicle air-conditioning system | Hisashi Ieda, Toshinobu Homan, Ken Matsunaga, Mitsuyo Oomura | 2004-01-13 |