Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824426 | Magneto-optical recording medium | Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1998-10-20 |
| 5764601 | Method of manufacturing a magneto-optical recording medium having a readout layer with varying composition and curie temperature | Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1998-06-09 |
| 5643687 | Magneto-optic memory medium and a method for producing the same | Hiroyuki Katayama, Junichiro Nakayama, Kenji Ohta | 1997-07-01 |
| 5637394 | Magneto-optical recording medium and method of reproducing magneto-optical information using thereof | Junsaku Nakajima, Yoshiteru Murakami, Akira Takahashi, Hiroyuki Katayama, Kenji Ohta | 1997-06-10 |
| 5563852 | Magneto-optical recording medium having a readout layer with varying composition and curie temperature | Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1996-10-08 |
| 5554436 | Magneto-optical recording medium | Hiroyuki Katayama, Junichiro Nakayama, Kenji Ohta | 1996-09-10 |
| 5486395 | Magneto-optical disk | Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1996-01-23 |