Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853806 | Apparatus for regulating the force rendered to a magnetic disc by a magnetic head in a rotary magnetic disc device | — | 1989-08-01 |
| 4806964 | Method of controlling diaphragm driving in electronic still camera and device therefor | Motohiko Horio, Kiyotaka Sato | 1989-02-21 |