Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654058 | Magneto-optical disk | Fumiyoshi Kirino, Harukazu Miyamoto, Shigenori Okamine, Masahiko Takahashi, Norio Ohta +1 more | 1997-08-05 |
| 5639563 | Magneto-optical recording medium | Satoru Ohnuki, Katsusuke Shimazaki, Norio Ohta, Hideo Fujiwara, Masafumi Yoshihiro +1 more | 1997-06-17 |
| 5598399 | Magneto-optical recording medium having multiple magnetic layers for magneto-optical recording medium | Yoshinori Shirai, Takehiko Yorozu | 1997-01-28 |