Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564273 | Retinal camera | Kouji Inaba | 1986-01-14 |
| 4509838 | Optical system for retinal cameras | Ken-ichi Nakahashi, Masaki Matsubara | 1985-04-09 |
| 4439023 | Optical system for ophthalmological instruments | Ken-ichi Nakahashi, Masaki Matsubara | 1984-03-27 |