Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901115 | Toner concentration control device for a developing apparatus | Minoru Nakamura, Masahide Ueda | 1990-02-13 |
| 4900911 | Focus detecting system utilizing correction data on aberrations of the photographic lens | Toshihiko Karasaki | 1990-02-13 |
| 4878079 | Focus detecting device | Masataka Hamada, Toshihiko Karasaki, Yukio Maekawa | 1989-10-31 |
| 4843227 | Focus detecting apparatus with both passive and active focus capability | Kazuo Kimura | 1989-06-27 |
| 4843415 | Automatic focus detection system | Hiroshi Ueda | 1989-06-27 |
| 4835561 | Focus detecting device for camera | — | 1989-05-30 |
| 4818865 | Focus detecting system for camera utilizing correction data on the aberration of the photographic lens | Toshihiko Karasaki | 1989-04-04 |
| 4772117 | Focus detecting device having blur detecting function | — | 1988-09-20 |
| 4768052 | Focus detecting device | Masataka Hamada, Toshihiko Karasaki, Yukio Maekawa | 1988-08-30 |
| 4746948 | Focus detection device | — | 1988-05-24 |
| 4743932 | Focus detection device for a camera | — | 1988-05-10 |
| 4696558 | Focus condition detecting arrangement | Toshihiko Karasaki, Hiroshi Ueda | 1987-09-29 |
| 4629882 | Image position detector | Motonobu Matsuda | 1986-12-16 |
| 4313654 | Automatic rangefinder system for photographic camera with light emitting and receiving means | Motonobu Matsuda, Hiroshi Ueda, Yasuhiro Nanba, Yoshio Kuramoto | 1982-02-02 |