Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762737 | Tone display voltage generating device and tone display device including the same | Noriyuki Kajihara, Masafumi Katsutani | 2004-07-13 |
| 6674696 | Focus controlling apparatus and method, and optical disc drive | Isao Ichimura, Fumisada Maeda, Kenji Yamamoto, Kiyoshi Ohsato | 2004-01-06 |