Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5793106 | Semiconductor device | Akio Yasukawa, Hirohisa Yamamura, Shotaro Naito, Heikichi Kuwahara, Osamu Suzuki +1 more | 1998-08-11 |
| 5678760 | Cooling system of electric automobile and electric motor used therefor | Keiji Oda, Osamu Koizumi, Hiroshi Hamano | 1997-10-21 |
| 5631821 | Cooling system for electric vehicle inverter system | — | 1997-05-20 |