Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686227 | Optical reproduction apparatus | Hiroaki Miwa, Ryoichi Sudo, Tetsuo Tajima | 1997-11-11 |
| 5637411 | Magneto-optical recording medium and process for producing the same | Katsusuke Shimazaki, Satoru Ohnuki, Masatoshi Hashimoto, Yoshinori Shirai, Norio Ohta +4 more | 1997-06-10 |