HS

Hirofumi Suda

Canon: 61 patents #452 of 19,416Top 3%
Overall (All Time): #38,243 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
6271883 Automatic focusing apparatus for a video camera Ryunosuke Iijima, Kunihiko Yamada 2001-08-07
6124891 Exposure control device Hideo Homma, Akihiro Fujiwara, Kunihiko Yamada, Masamichi Toyama, Kunio Imai 2000-09-26
6088060 Automatic focusing device Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada 2000-07-11
6067115 Auto-focus adjusting apparatus such as for a video camera 2000-05-23
5842059 Automatic focus adjusting device 1998-11-24
5739858 Automatic focusing device using a plurality of different frequency components extracted at the same point Hideyuki Arai 1998-04-14
5677733 Exposure control device having a plurality of light detecting areas Katsuji Yoshimura, Kitahiro Kaneda, Hideo Homma, Kunihiko Yamada, Akihiro Fujiwara 1997-10-14
5629735 Image sensing device having a selectable detecting area Kitahiro Kaneda, Akihiro Fujiwara, Kunihiko Yamada, Masamichi Toyama, Hideyuki Arai 1997-05-13
5623309 Automatic focusing device with adaptive signal filtering Katsuji Yoshimura, Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada 1997-04-22
5619264 Automatic focusing device Katsuji Yoshimura, Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada 1997-04-08
5557325 Video camera and its control method Osamu Ueda 1996-09-17
5543839 Focus adjusting device wherein effective focal length is derived by detecting low frequency changes in image signals Masamichi Toyama, Akihiro Fujiwara, Kunihiko Yamada, Katsuji Yoshimura 1996-08-06
5534923 Video camera apparatus 1996-07-09
5446494 Focus detecting system Kouichi Ueda, Masamichi Toyama, Naoya Kaneda, Youichi Iwasaki 1995-08-29
5442397 Image sensing apparatus Katsuji Yoshimura, Masamichi Toyama, Akihiro Fujiwara, 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, Akihiro Fujiwara, Masamichi Toyama, Kitahiro Kaneda, Katsuji Yoshimura 1995-06-06
5376991 Control system Kitahiro Kaneda, Hideyuki Arai, Seiya Ota 1994-12-27
5343246 Image sensing apparatus Hideyuki Arai, Kitahiro Kaneda 1994-08-30
5341169 Video camera apparatus with predictably settable image screen detecting area Kitahiro Kaneda, Kunihiko Yamada, Akihiro Fujiwara, Masamichi Toyama 1994-08-23
5272538 Exposure control device Hideo Homma, Akihiro Fujiwara, Kunihiko Yamada, Masamichi Toyama, Kunio Imai 1993-12-21
5258847 Object tracing device Kunihiko Yamada, Akihiro Fujiwara, Masamichi Toyama, Masahide Hirasawa, Kitahiro Kaneda 1993-11-02
5212516 Automatic focus adjusting device Kunihiko Yamada, Akihiro Fujiwara, Masamichi Toyama, Kitahiro Kaneda 1993-05-18
5200860 Lens position control device Masahide Hirasawa, Naoya Kaneda, Hiroyuki Wada 1993-04-06
5187585 Image sensing apparatus with settable focus detection area Kitahiro Kaneda, Kunihiko Yamada, Akihiro Fujiwara, Masamichi Toyama 1993-02-16
5164835 Automatic focusing device Kunihiko Yamada, Akihiro Fujiwara, Masamichi Toyama, Kitahiro Kaneda, Katsuji Yoshimura 1992-11-17