Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768711 | Method and apparatus for recording and reproducing information on and from optical disc | — | 2004-07-27 |
| 6751170 | Information-signal recording and reproducing apparatus | — | 2004-06-15 |
| 6747933 | Power saving system for optical disc recording/reproducing apparatus | — | 2004-06-08 |
| 6741531 | Information-signal recording and reproducing apparatus | — | 2004-05-25 |
| 6728178 | Semiconductor laser control method and semiconductor laser control device | Kenji Koishi, Yoshiyuki Miyabata, Makoto Usui, Kohjyu Konno, Tomonori Ueno +2 more | 2004-04-27 |
| 6728170 | Information-signal recording and reproducing apparatus | — | 2004-04-27 |
| 6711103 | Disk type determining apparatus, optical disk reproducing apparatus and tracking error signal generating apparatus | — | 2004-03-23 |
| 6678236 | Information recording medium method and apparatus for recording and reproducing information | — | 2004-01-13 |