Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854691 | Laser beam scanning type eye fundus camera | Akihiko Sekine, Shinji Wada, Takashi Yokokura, Masayuki Hideshima | 1989-08-08 |
| 4838680 | Optical system for retinal camera | — | 1989-06-13 |
| 4834526 | Eye fundus camera having automatic exposure control means | — | 1989-05-30 |