Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613218 | Illuminating light beam axis adjusting mechanism in ophthalmoscope with photographing device | Takashi Komori | 1986-09-23 |
| 4496243 | Contact lens holder | — | 1985-01-29 |
| 4410267 | Hand-held lens meter | Osamu Shindow, Ikuzo Okamoto, Hiroshi Koyama | 1983-10-18 |
| D270564 | Lens meter | Hiroshi Koyama | 1983-09-13 |
| 4187020 | Tripod rack and pinion focussing mechanism rotatable relative to lens | Tadayoshi Ishii, Zenichi Okura | 1980-02-05 |