Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330880 | Process for producing optical disks | Shinkichi Horigome, Yoshinori Miyamura, Keizo Kato, Hiroshi Shiraishi | 1994-07-19 |
| 5321672 | Method of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domains | Harukazu Miyamoto, Yoshio Suzuki, Toshio Niihara, Norio Ohta, Masahiko Takahashi +1 more | 1994-06-14 |
| 5179546 | Magneto-optical disk and process for manufacturing the same | Yoshinori Miyamura, Toshio Niihara, Harukazu Miyamoto, Norio Ohta | 1993-01-12 |