Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9608539 | Power supply device | Michio Tamate, Koji Maruyama, Tomotaka Nishijima | 2017-03-28 |
| 8786314 | Contactless power transfer system and control method thereof | Kouji Maruyama, Akio Toba, Michio Tamate | 2014-07-22 |