Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879487 | Surface-acoustic-wave device | Kazuyoshi Sugai, Hiroshi Nishizato | 1989-11-07 |
| 4806964 | Method of controlling diaphragm driving in electronic still camera and device therefor | Kazukiyo Tamada, Motohiko Horio | 1989-02-21 |