Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990208 | Method of manufacturing an optical recording medium | — | 1991-02-05 |
| 4800112 | Optical recording medium | Akira Aoyama, Shinobu Kunida | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990208 | Method of manufacturing an optical recording medium | — | 1991-02-05 |
| 4800112 | Optical recording medium | Akira Aoyama, Shinobu Kunida | 1989-01-24 |