Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703724 | Objective lens system for endoscope | — | 1997-12-30 |
| 5691853 | Objective lens for endoscopes | — | 1997-11-25 |
| 5691854 | Zoom lens with differential focal compensation for visible, IR, and UV light | Shigeru Yoshida | 1997-11-25 |
| 5610390 | Solid-state image pickup device having microlenses each with displaced optical axis | — | 1997-03-11 |
| 5596666 | Illumination system for endoscopes | Masaaki Morizumi | 1997-01-21 |