Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598980 | Objective optical system for endoscope | Yoshikazu Doi, Hitoshi Miyano, Toshiro Kishikawa | 1986-07-08 |
| 4589723 | Holographic endoscope | Yoshikazu Doi, Masane Suzuki | 1986-05-20 |
| 4501477 | Lens adapter for endoscopes | — | 1985-02-26 |
| 4488039 | Imaging system having vari-focal lens for use in endoscope | Masamichi Sato, Noboru Arai, Masafumi Inuiya | 1984-12-11 |
| 4425025 | Optical system for endoscopes | — | 1984-01-10 |