Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814238 | Magneto-optical recording medium | Shinsuke Tanaka, Chuichi Ota | 1989-03-21 |
| 4701881 | Magneto-optical recording medium | Fujio Tanaka | 1987-10-20 |
| 4631617 | Magneto-optical recording medium | Fujio Tanaka | 1986-12-23 |
| 4628485 | Magneto-optical recording medium | Fujio Tanaka, Yasuyuki Nagao | 1986-12-09 |
| 4612068 | Magneto-optical recording medium | Shinsuke Tanaka | 1986-09-16 |
| 4559573 | Magneto-optical recording medium | Shinsuke Tanaka, Fujio Tanaka, Yasuyuki Nagao, Chuichi Ota | 1985-12-17 |
| 4477852 | Magneto-optical recording and reproducing system | Chuichi Ota, Shinsuke Tanaka | 1984-10-16 |
| 4417290 | Multi-layer magneto-optical recording medium | Shinsuke Tanaka, Chuichi Ota | 1983-11-22 |
| 4412264 | Magneto-optic recording medium | Chuichi Ota | 1983-10-25 |
| 4202022 | Magnetic transfer record film and apparatus for magneto-optically reading magnetic record patterns using the same | Yoshinori Mimura, Toshihiko Kobayashi | 1980-05-06 |