Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140357 | Automatic focusing device wherein loop gain is set responsively to variation of magnification | Hideyuki Arai, Kitahiro Kaneda | 1992-08-18 |
| 5128768 | Automatic focusing device having a settable focus detection area | Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada | 1992-07-07 |
| 5061954 | Automatic focus adjustment system | Masamichi Toyama, Akihiro Fujiwara, Kuniniko Yamada, Masahide Hirasawa, Kitahiro Kaneda | 1991-10-29 |
| 5005956 | Lens position control device | Naoya Kaneda, Hiroyuki Wada, Masahide Hirasawa | 1991-04-09 |
| 4994920 | Device for focus detection with weightings of the focus detecting signals of plural focus detectors | Akihiro Fujiwara, Masamichi Toyama, Kunihiko Yamada | 1991-02-19 |
| 4980773 | In focus detecting apparatus having a plurality of bandpass filters | Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada | 1990-12-25 |
| 4975724 | Lens position control device | Masahide Hirasawa, Hiroyuki Wada, Naoya Kaneda | 1990-12-04 |
| 4950054 | Lens position control device | Hiroyuki Wada, Naoya Kaneda, Masahide Hirasawa | 1990-08-21 |
| 4920369 | Lens position control device | Naoya Kaneda, Hiroyuki Wada, Masahide Hirasawa | 1990-04-24 |
| 4871906 | Focus detecting device using correlation | Kouichi Ueda, Akihiro Fujiwara, Masamichi Toyama, Kunihiko Yamada | 1989-10-03 |
| 4762986 | Automatic focussing system including in-focus position prediction means | Naoya Kaneda, Susumu Kozuki | 1988-08-09 |