Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723193 | Information recording disk and recorded information reproducing apparatus | — | 1998-03-03 |
| 5656348 | Optical recording medium and its recording apparatus and reproducing apparatus | Hideo Kudo | 1997-08-12 |
| 5600626 | Optical disk of sampled servo type having synchronization a marks for simple synchronization detection | Fumihiko Yokogawa, Hideki Hayashi | 1997-02-04 |
| 5495460 | Optical disk and apparatus for reproducing signal without crosstalk | Yukiyoshi Haraguchi | 1996-02-27 |
| 5446717 | Optical disc and recording and reproducing method for an optical disc with a high density | — | 1995-08-29 |
| 5280466 | Optical disc and apparatus for reproducing signals recorded on the same | — | 1994-01-18 |