Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216657 | Method and apparatus for timing variable optical information recording | Kenichi Nishiuchi, Noboru Yamada, Nobuo Akahira, Tomio Yoshida, Shinji Kubota | 1993-06-01 |
| 4841512 | Optical disk apparatus with an erase checking function | Shinji Kubota, Tomio Yoshida | 1989-06-20 |