Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754437 | Receiver, recorder and player | Yoshikazu Hirai, Kazuhisa Yamada | 2004-06-22 |
| 6680718 | Method for driving a gas-discharge panel | Yasunobu Hashimoto, Kenji Awamoto, Seiichi Iwasa | 2004-01-20 |