Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376992 | Photocurrent charge type exposure measuring apparatus | Jun Hasegawa, Katsuo Kawamura | 1994-12-27 |
| 5359383 | Automatic focusing system with phase difference detecting unit employing correlation operating circuit | Hiroshi Iwabuchi, Yoshimitsu Kudoh, Hideki Mutoh | 1994-10-25 |
| 5357310 | Correlation phase difference type focus detecting interpolation | Kazuo Kawamura, Hiroshi Iwabuchi, Jun Hasegawa | 1994-10-18 |
| 5285234 | Phase difference detecting type autofocusing device including an optical system having first and second lenses | Jun Hasegawa | 1994-02-08 |