Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138357 | Focus adjuster | — | 1992-08-11 |
| 5136325 | Photometric apparatus | Shigeyuki Uchiyama | 1992-08-04 |
| 5068682 | Focus adjuster | — | 1991-11-26 |
| 5029998 | Focus state detecting device | Yosuke Kusaka, Shigeyuki Uchiyama, Shozo Yamano, Kenji Ishizuki | 1991-07-09 |
| 4980715 | Automatic focus adjusting apparatus | — | 1990-12-25 |
| 4977311 | Camera with focus detecting device for removing vignetting effects | Yosuke Kusaka | 1990-12-11 |
| 4841325 | Automatic focusing device for camera | Kunihisa Hoshino, Yoshinari Hamanishi | 1989-06-20 |
| 4816663 | Camera system with vignetting calculation and memory means | Kunihisa Hoshino | 1989-03-28 |
| 4812868 | Detecting apparatus for focus in camera | Yoshinari Hamanishi | 1989-03-14 |
| 4812636 | Automatic focal point control apparatus with correction of sequential defocus signals dependent on object contrast | Yosuke Kusaka | 1989-03-14 |
| 4719486 | Focus detecting apparatus for camera | Kunihisa Hoshino, Yosuke Kusaka, Shozo Yamano | 1988-01-12 |
| 4687917 | Focus detecting device for removing vignetting effects | Yosuke Kusaka | 1987-08-18 |
| 4674855 | Signal processing apparatus for photoelectric converting element array | — | 1987-06-23 |
| 4634851 | Control device for automatic focusing | Akira Ogasawara, Sakuji Watanabe, Nobuhiko Terui, Kunihisa Hoshino | 1987-01-06 |
| 4564919 | Correlation calculating apparatus | — | 1986-01-14 |
| 4561749 | Focus detection apparatus | — | 1985-12-31 |
| 4544255 | Focus detector | — | 1985-10-01 |
| 4473286 | Automatic focusing device of a camera | Sakuji Watanabe, Akira Ogasawara, Nobuhiko Terui, Kunihisa Hoshino | 1984-09-25 |
| 4469939 | Distance measuring apparatus | — | 1984-09-04 |
| 4460260 | Focus detecting device | — | 1984-07-17 |
| 4422739 | Auto focus camera | Sakuji Watanabe, Akira Ogasawara, Nobuhiko Terui, Kunihisa Hoshino | 1983-12-27 |
| 4370551 | Focus detecting device | Toru Fukuhara | 1983-01-25 |
| 4368383 | System for focus detection utilizing a photoelectric sensor array | Hiroshi Shirasu, Akira Ogasawara | 1983-01-11 |
| 4340819 | Photoelectric element array with automatic control of the charge storage time | Akira Ogasawara, Hiroshi Shirasu | 1982-07-20 |
| 4339665 | Apparatus for detecting displacement of optical image | Hiroshi Shirasu | 1982-07-13 |