Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7269105 | Digital audio recording medium and reproducing apparatus thereof | Hitoshi Otomo, Hideki Mimura | 2007-09-11 |
| 7050370 | Digital audio recording medium and reproducing apparatus thereof | Hitoshi Otomo, Hideki Mimura | 2006-05-23 |
| 6580671 | Digital audio recording medium and reproducing apparatus thereof | Hitoshi Otomo, Hideki Mimura | 2003-06-17 |
| 5903531 | Reproduction device for optical disks | Hiroharu Satoh, Hisashi Yamada | 1999-05-11 |