Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243582 | Apparatus for reproducing digital audio information related to musical accompaniments | Toshihiko Shimizu, Satomi Sudo | 1993-09-07 |
| 5208679 | Apparatus for reproducing information in response to selected image change control information | Toshihiko Shimizu, Satomi Sudo | 1993-05-04 |
| 4918661 | Optical disk | — | 1990-04-17 |
| 4817068 | Optical disk and optical disk apparatus with pause mode protection feature | — | 1989-03-28 |
| 4800550 | Multi-format optical disk recording/reproducing system | — | 1989-01-24 |