Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483785 | Magneto-optical recording method using the relation of beam diameter and an aperture of converging lens | Yoshiteru Murakami, Junji Hirokane, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2002-11-19 |