Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647450 | Cooling system included in a battery charger for an electric vehicle | Masao Ogawa, Kenji Kawaguchi, Masayuki Toriyama | 1997-07-15 |
| 5644480 | Power source device | Tokushi Yamauchi | 1997-07-01 |
| 5613569 | Electric motor vehicle and battery unit for electric motor vehicle | Kouichi Sugioka, Masao Ogawa, Hidetoshi Takamatsu | 1997-03-25 |