Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8901569 | Power semiconductor device | — | 2014-12-02 |
| 5640315 | Switching regulator | Tetsuro Tanaka | 1997-06-17 |
| 5621636 | Thin DC-DC converter arrangement | Kenichi TANIGAWA, Shingo Katayama, Nobuyoshi Tanaka, Sueyuki Yahagi | 1997-04-15 |
| 5621649 | Method for analyzing electromagnetic field | Keiji Iwata, Takatsugu Ueyama, Kenji Umetsu | 1997-04-15 |