Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655765 | Refrigerator door opener | Tadahiro Kawamura, Koji Suzuki, Toshiyuki Moriuchi, Hidetomo Takanishi, Akihiko Manabe +4 more | 2003-12-02 |
| 6643152 | DC power supply device | Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-11-04 |
| 6603671 | Synchronized rectifier voltage step down DC-DC converter and control circuit therefor | Norikazu Tokunaga, Kenichi Onda, Ryouhei Saga, Akihiko Kanouda | 2003-08-05 |
| 6507507 | DC power supply device | Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-01-14 |