Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644479 | Switching power supply device | Koji Yoshida | 1997-07-01 |
| 5615098 | AC-DC converter | Yoshio Mizutani, Haruo Watanabe, Yoshinori Kobayashi, Yutaka Sekine, Satoshi Ikeda | 1997-03-25 |