Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10432118 | Identifying voltage to prevent motor integrated circuit damage | Takashi Ogawa, Fumio Kumazawa, Satoshi Yokoo | 2019-10-01 |
| 10158308 | Identifying voltage to prevent motor integrated circuit damage | Takashi Ogawa, Fumio Kumazawa, Satoshi Yokoo | 2018-12-18 |
| 7570026 | Protection circuit with minimized voltage reference unevenness between charger and battery pack | — | 2009-08-04 |
| 7049772 | Motor drive circuit | Kazuyoshi Ishikawa | 2006-05-23 |