Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718053 | Optical information apparatus and method of recording and erasing information | Yoshio Sato, Hiroshi Sasaki, Norifumi Miyamoto, Nobuyoshi Tsuboi, Hideki Nihei +4 more | 1988-01-05 |