Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807135 | Tilt detection system, tilt detection method and tilt adjustment method | Keishi Ueno | 2004-10-19 |
| 6794922 | Signal processing circuit integrating pulse widths of an input pulse signal according to polarities | — | 2004-09-21 |
| 6778478 | Optical disk recording apparatus and method of recording data on optical disk | Naoto Takeda, Kaname Hayasaka | 2004-08-17 |
| 6738325 | Optical disk unit capable of reducing tracking offset | — | 2004-05-18 |
| 6711108 | Optical disc recording apparatus and medium | Yasuhide Ishimori | 2004-03-23 |
| 6680892 | Optical disk device offsetting a wobble signal component superimposed on an RF signal and the wobble signal component added in a threshold value upon making the RF signal binary | — | 2004-01-20 |