Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738270 | Parallel power source system | Norikazu Tokunaga, Masahiro Hamaogi | 2004-05-18 |
| 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, Katsunori Hayashi | 2002-12-17 |