Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831403 | Automatic focus detection system | Tokuji Ishida, Masataka Hamada, Nobuyuki Taniguchi, Hiroshi Ootsuka, Toshio Norita +1 more | 1989-05-16 |
| 4816856 | Automatic focus control device | Masataka Hamada, Tokuji Ishida, Nobuyuki Taniguchi, Hiroshi Ootsuka | 1989-03-28 |
| 4812912 | Focus detection condition display device for camera | Takashi Iida, Masatoshi Itoh, Hidenori Fukuoka, Takeya Tsukamoto, Masataka Hamada +1 more | 1989-03-14 |