Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639563 | Magneto-optical recording medium | Satoru Ohnuki, Katsusuke Shimazaki, Norio Ohta, Hideo Fujiwara, Noriyuki Ogihara +1 more | 1997-06-17 |
| 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 |