Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640110 | Current supply circuit | Yosiaki Sano | 1997-06-17 |
| 5606740 | Time delay controlled switching for a DC/DC converter in a selective call device for reducing ripple | Noriaki Shirai, Hirokazu Tanaka | 1997-02-25 |