Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623309 | Automatic focusing device with adaptive signal filtering | Katsuji Yoshimura, Masamichi Toyama, Kunihiko Yamada, Hirofumi Suda | 1997-04-22 |
| 5619264 | Automatic focusing device | Katsuji Yoshimura, Masamichi Toyama, Kunihiko Yamada, Hirofumi Suda | 1997-04-08 |
| 5543839 | Focus adjusting device wherein effective focal length is derived by detecting low frequency changes in image signals | Hirofumi Suda, Masamichi Toyama, Kunihiko Yamada, Katsuji Yoshimura | 1996-08-06 |
| 5459542 | Image-blur preventing apparatus | Kazuhiro Noguchi, Tsuyoshi Morofuji | 1995-10-17 |
| 5455647 | Optical apparatus in which image distortion is removed | — | 1995-10-03 |
| 5442397 | Image sensing apparatus | Katsuji Yoshimura, Masamichi Toyama, Hirofumi Suda, Kunihiko Yamada, Kitahiro Kaneda +1 more | 1995-08-15 |
| 5422671 | Automatic focus control by use of component value differences in an image sensing plane | Kunihiko Yamada, Masamichi Toyama, Hirofumi Suda, Kitahiro Kaneda, Katsuji Yoshimura | 1995-06-06 |
| 5341169 | Video camera apparatus with predictably settable image screen detecting area | Kitahiro Kaneda, Kunihiko Yamada, Hirofumi Suda, Masamichi Toyama | 1994-08-23 |
| 5291151 | Sensor amplifier | Takashi Amikura, Toru Ohara, Yasuhiro Tamekuni | 1994-03-01 |
| 5272538 | Exposure control device | Hideo Homma, Hirofumi Suda, Kunihiko Yamada, Masamichi Toyama, Kunio Imai | 1993-12-21 |
| 5258847 | Object tracing device | Kunihiko Yamada, Hirofumi Suda, Masamichi Toyama, Masahide Hirasawa, Kitahiro Kaneda | 1993-11-02 |
| 5212516 | Automatic focus adjusting device | Kunihiko Yamada, Hirofumi Suda, Masamichi Toyama, Kitahiro Kaneda | 1993-05-18 |
| 5204749 | Automatic follow-up focus detecting device and automatic follow-up device | Masamichi Toyama, Youichi Iwasaki, Takashi Amikura, Naoya Kaneda, Masahiro Takei | 1993-04-20 |
| 5187585 | Image sensing apparatus with settable focus detection area | Kitahiro Kaneda, Kunihiko Yamada, Hirofumi Suda, Masamichi Toyama | 1993-02-16 |
| 5164835 | Automatic focusing device | Kunihiko Yamada, Masamichi Toyama, Hirofumi Suda, Kitahiro Kaneda, Katsuji Yoshimura | 1992-11-17 |
| 5128768 | Automatic focusing device having a settable focus detection area | Hirofumi Suda, Masamichi Toyama, Kunihiko Yamada | 1992-07-07 |
| 5061954 | Automatic focus adjustment system | Masamichi Toyama, Hirofumi Suda, Kuniniko Yamada, Masahide Hirasawa, Kitahiro Kaneda | 1991-10-29 |
| 5031049 | Automatic object image follow-up device | Masamichi Toyama, Youichi Iwasaki, Takashi Amikura, Naoya Kaneda, Masahiro Takei | 1991-07-09 |
| 4994920 | Device for focus detection with weightings of the focus detecting signals of plural focus detectors | Masamichi Toyama, Hirofumi Suda, Kunihiko Yamada | 1991-02-19 |
| 4980773 | In focus detecting apparatus having a plurality of bandpass filters | Hirofumi Suda, Masamichi Toyama, Kunihiko Yamada | 1990-12-25 |
| 4876564 | Drive device for photographic lens | Takashi Amikura, Masamichi Toyama, Kouichi Ueda, Susumu Kozuki | 1989-10-24 |
| 4871906 | Focus detecting device using correlation | Kouichi Ueda, Hirofumi Suda, Masamichi Toyama, Kunihiko Yamada | 1989-10-03 |
| 4760419 | Distance measuring apparatus | Takashi Amikura, Masamichi Toyama, Kouichi Ueda, Susumu Kozuki | 1988-07-26 |
| 4758082 | Distance detection apparatus | Susumu Kozuki, Masamichi Toyama, Naoya Kaneda, Youichi Iwasaki, Koji Takahashi +2 more | 1988-07-19 |
| 4723073 | Light emission quantity control device for focus detection | Takashi Amikura, Toshiaki Kawanishi | 1988-02-02 |