Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598980 | Objective optical system for endoscope | Hitoshi Miyano, Toshiro Kishikawa, Yasumasa Sunaga | 1986-07-08 |
| 4589723 | Holographic endoscope | Masane Suzuki, Yasumasa Sunaga | 1986-05-20 |
| 4560254 | Zoom lens system | Kenzo Sado | 1985-12-24 |
| 4484799 | Wide angle zoom lens | Yutaka Sakai, Kazunori Ohno | 1984-11-27 |
| 4472740 | Television camera system | — | 1984-09-18 |
| 4298252 | Rear stop type lens system | Takaaki Uchida, Yutaka Sakai | 1981-11-03 |
| 4294521 | Rear stop type zoom lens | Yutaka Sakai, Kazunori Ohno | 1981-10-13 |
| 4245891 | Zoom lens system with a movable distortion-correcting element | Kenzo Sado | 1981-01-20 |
| 4195912 | Zoom lens system | Yutaka Sakai, Kazunori Ohono | 1980-04-01 |