Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456570 | Magneto-optical recording apparatus and method using phase different optimization technique | Sayoko Tanaka | 2002-09-24 |
| 6400656 | Magneto-optical recording medium comprising recording layer and reproducing layer | Kenji Tanase | 2002-06-04 |