Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345291 | Compact focus detecting device | Tsuyoshi Yaji | 1994-09-06 |
| 5321461 | Focus detecting device | — | 1994-06-14 |
| 5289226 | Focus detecting device including a diffusion surface disposed on a predetermined image surface | — | 1994-02-22 |