Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665468 | Magneto-optical recording medium | Tohru Horiguchi, Kiyoshi Chiba | 1997-09-09 |
| 5633746 | Magneto-optical recording medium | Kiyoshi Chiba | 1997-05-27 |
| 5614287 | Magneto-optical recording medium comprising a specified substrate | Utami Yonemura, Kiyoshi Chiba | 1997-03-25 |