Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398280 | Information recording disk player | Akira Ishigami | 1983-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398280 | Information recording disk player | Akira Ishigami | 1983-08-09 |