Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870442 | Auxiliary light projecting apparatus for a focus detecting system | Yasuyuki Tejima, Hideaki Yuda | 1989-09-26 |
| 4833497 | Apparatus for adjusting focus in the macro-photographing mode of an automatic focus camera | — | 1989-05-23 |