Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021276 | Optical data recording medium and manufacturing method thereof | Hisamitsu Kamezaki, Masashi Suenaga, Osamu Saito, Hitoshi Watanabe, Hideo Fujiwara +1 more | 1991-06-04 |