Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367153 | Apparatus for detecting the focus adjusting state of an objective lens by performing filter processing | Yasuo Suda, Akira Yamada, Yukio Odaka | 1994-11-22 |
| 5333028 | Automatic focusing apparatus detecting focus for a plurality of areas and using contrast levels | Terutake Kadohara | 1994-07-26 |
| 5311241 | Focus detecting apparatus detecting focus to a plurality of areas | Masaki Higashihara | 1994-05-10 |
| 5293194 | Focus detection apparatus having an auxiliary light | — | 1994-03-08 |