Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807204 | Magneto-optical recording medium having pairs of mutually corresponding recording segments, and apparatus for recording information on the medium | Shuzo Mizutani, Riki Matsuda, Kazunari Taki, Yutaka Hattori, Kazuyuki Miyaki | 1989-02-21 |