Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483785 | Magneto-optical recording method using the relation of beam diameter and an aperture of converging lens | Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2002-11-19 |
| 6463015 | Method of reproducing information on a magneto-optical recording medium for achieving super resolution reproduction of high resolution recorded information | Junji Hirokane, Akira Takahashi | 2002-10-08 |
| 6456586 | Magneto-optical recording medium and process for producing the same | Ippei Suzuki, Naoyasu Iketani, Akira Takahashi | 2002-09-24 |