Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666346 | Super-resolution magnetooptical recording medium using magnetic phase transition material, and method for reproducing information from the medium | — | 1997-09-09 |
| 5663935 | Magneto-optical recording medium having two magnetic layers of exchange-coupled at ferromagnetic phase | — | 1997-09-02 |
| 5656384 | Magnetooptical recording medium, method for producing the same, method for recording or reproducing information in or from the same | Eiichi Fujii | 1997-08-12 |
| 5616428 | Magnetooptical recording medium and information recording and reproducing methods using the recording medium | Hiroshi Omata, Kazuoki Honguu | 1997-04-01 |