Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10705462 | Image forming apparatus detecting status of motor | — | 2020-07-07 |
| 9893395 | Battery cooling structure | Takenori Tsuchiya, Ryuichi OOMUTA, Tetsuo Watanabe, Yosuke Maruta | 2018-02-13 |
| 9775265 | Heatsink and circuit board with heatsink | — | 2017-09-26 |
| 7511455 | Power supply unit having uniform battery characteristic | — | 2009-03-31 |
| 7125628 | Battery pack with pressurized terminal plates | Shuhei Marukawa, Ko Watanabe, Toyohiko Etoh, Keiji Shukuya | 2006-10-24 |
| 6761992 | Restraining bands for battery pack | Shuhei Marukawa, Ko Watanabe, Toyohiko Eto, Nobuaki Kiya | 2004-07-13 |