Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353089 | Focus detection apparatus capable of detecting an in-focus position in a wide field of view by utilizing an image contrast technique | — | 1994-10-04 |
| 5345291 | Compact focus detecting device | Hisashi Goto | 1994-09-06 |