Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675748 | Time-base correcting device used in a disk reproducing device | — | 1987-06-23 |
| 4476499 | Video disc recording and reproducing system | Hitoshi Kanamaru, Toshiyuki Amaya, Kazutoyo Ishiguro | 1984-10-09 |
| 4403259 | Apparatus for reading information from an information recording disc | — | 1983-09-06 |