Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826063 | DC voltage converting circuit | Tomoyuki Ichikawa | 2004-11-30 |
| 6765851 | Optical disc, data-recording apparatus and data-recording method | Tetsuji Kawashima, Futoshi Tsukada, Kunihiko Miyake, Masazumi Shiozawa | 2004-07-20 |
| 6751171 | Method and apparatus for controlling servo loop amplification according to wobble signals formed in a guide groove of an optical disc | — | 2004-06-15 |
| 6707261 | Discharge lamp lighting circuit | Masayasu Ito | 2004-03-16 |