Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5151310 | Information recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Yasushi Murata, Fumio Matsui | 1992-09-29 |
| 4960268 | Spacer holder arrangement | Hideo Sekiguchi, Yozi Misawa | 1990-10-02 |
| 4939011 | Optical disk | Hidekazu Takahashi, Tadanori Michimoto, Eiji Takabatake | 1990-07-03 |
| 4910056 | Center hub holder tape | Takeshi Hamamoto, Mitsuo Kuramoto | 1990-03-20 |