Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665235 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2003-12-16 |