Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496395 | Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply | Norikazu Tokunaga, Kenichi Onda, Tadashi Takahashi, Takeshi Onaka, Ryohei Saga | 2002-12-17 |
| 6381152 | Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device | Tadashi Takahashi, Kenichi Onda, Norikazu Tokunaga, Takeshi Onaka, Ryouhei Saga | 2002-04-30 |