Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388954 | Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Norio Ohta, Katsuji Nakagawa +3 more | 2002-05-14 |