Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169680 | Switching power source with a digital control circuit to maintain a constant DC output signal | Nobuyuki Matsui, Koichiro Miura, Takaharu Takeshita | 2001-01-02 |
| 6115266 | Switching power source with a digital control circuit to maintain a constant DC output signal | Nobuyuki Matsui, Koichiro Miura, Takaharu Takeshita | 2000-09-05 |
| 5856917 | Electric power device with improved power factor | Kenichi Aonuma, Hiromitsu Hirayama, Hiroko Hirayama, heiress, Hiroshi Hirayama, Hisahiko Abe | 1999-01-05 |