Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767328 | Fuel cell optimum operation point tracking system in power supply device using fuel cell and power supply device provided with this fuel cell optimum operation point tracking system | Kimiyoshi Kobayashi, Yutaka Sekine, Hideki Fujimoto | 2010-08-03 |
| 5323365 | Recording method for opto-magnetic disk | — | 1994-06-21 |