Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562344 | Automatic focus detecting mechanism for endoscopes | Shin-ichi Mihara, Toshihiro Imai, Youichi Iba, Masaki Imaizumi, Akio Taira | 1985-12-31 |
| 4516840 | In-focus detector for a binocular stereomicroscope | Shin-ichi Mihara | 1985-05-14 |
| 4509838 | Optical system for retinal cameras | Youich Iba, Masaki Matsubara | 1985-04-09 |
| 4439023 | Optical system for ophthalmological instruments | Youich Iba, Masaki Matsubara | 1984-03-27 |
| 4403837 | Objective for endoscopes | — | 1983-09-13 |
| 4354734 | Objective optical system for endoscopes | — | 1982-10-19 |
| 4340811 | Focusing method and apparatus for use in an optical system | Nobuo Yamashita | 1982-07-20 |
| 4300812 | Optical system for endoscopes | — | 1981-11-17 |
| 4279476 | Objective lens system for microscopes | — | 1981-07-21 |