Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350149 | Endoscope and illumination optical system therefor | Nobuo Yamashita | 1982-09-21 |
| 4312572 | Focusing objective lens system for endoscopes | Nobuo Yamashita | 1982-01-26 |
| 4294511 | Connecting optical system for light guides | Nobuo Yamashita | 1981-10-13 |
| 4285578 | Photo eyepiece for endoscopes | Nobuo Yamashita | 1981-08-25 |
| 4269485 | Method for focusing an objective lens of endoscope | Nobuo Yamashita | 1981-05-26 |