Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350149 | Endoscope and illumination optical system therefor | Miwako Maeda | 1982-09-21 |
| 4340811 | Focusing method and apparatus for use in an optical system | Ken-ichi Nakahashi | 1982-07-20 |
| 4312572 | Focusing objective lens system for endoscopes | Miwako Maeda | 1982-01-26 |