Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7295499 | Wobble signal reproducing circuit | Kouichi Hirose, Manabu Katsuki, Toshifumi Takeuchi | 2007-11-13 |
| 7133335 | Wobble signal reproducing circuit | Kouichi Hirose, Manabu Katsuki, Toshifumi Takeuchi | 2006-11-07 |
| 6904086 | Adaptive equalizer circuit | Kouichi Hirose | 2005-06-07 |
| 6785207 | Wobble signal reproducing circuit | Kouichi Hirose, Manabu Katsuki, Toshifumi Takeuchi | 2004-08-31 |