Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316657 | Apparatus for electrically detecting focal point of cameras or the like optical devices | Masatoshi Ida, Hideyuki Kenjyo | 1982-02-23 |
| 4314151 | Focus detection by accumulation of a given number of the largest absolute difference magnitudes between adjacent photocells in an array | Masahiro Aoki | 1982-02-02 |