MK

Masatake Kato

Canon: 45 patents #884 of 19,416Top 5%
Overall (All Time): #65,989 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
7193651 Camera system, lens apparatus and camera 2007-03-20
6467912 Projection optical system and projection apparatus 2002-10-22
6148031 Image processing apparatus and method 2000-11-14
6104548 Zoom lens Hiroki Nakayama 2000-08-15
5790902 Zoom lens Satoru Mizouchi, Masaharu Eguchi, Hideki Ogawa 1998-08-04
5682203 Solid-state image sensing device and photo-taking system utilizing condenser type micro-lenses 1997-10-28
5173805 Focusing method for zoom lens Kazuo Tanaka, Keiji Ikemori 1992-12-22
4998801 Optical low-pass filter and photographic system using the same Akihiko Shiraishi, Kazuo Fujibayashi 1991-03-12
4973995 Camera system and attachment lens with integral lens sections Shohei Takeda 1990-11-27
4969723 Parallax adjusting mechanism for a finder device Makoto Sekita, Kenichi Kawamoto 1990-11-13
4964686 Finder optical device 1990-10-23
4912500 Single lens reflex camera Hideo Yokota, Akihiko Shiraishi, Makoto Sekita 1990-03-27
4910545 Finder optical system Kazuo Fujibayashi, Makoto Sekita, Masaharu Suzuki 1990-03-20
4854681 Compact zoom lens Sadahiko Tsuji, Muneharu Sugiura, Kazuo Tanaka 1989-08-08
4855814 Video camera body and detachable lens each containing a memory for storing signals indicative of spectral characteristics Akihiko Shiraishi, Kenichi Kawamoto 1989-08-08
4833498 Camera Akihiko Shiraishi, Kenichi Kawamoto 1989-05-23
4789227 Zoom lens Tsunefumi Tanaka, Keiji Ikemori, Kazuo Tanaka 1988-12-06
4763998 Compact zoom lens Sadahiko Tsuji, Muneharu Sugiura, Kazuo Tanaka 1988-08-16
4712883 Rear focus zoom lens Sadahiko Tsuji, Toshiaki Asano 1987-12-15
4702567 Zoom lens Keiji Ikemori, Tsunefumi Tanaka, Kazuo Tanaka 1987-10-27
4687303 Zoom lens system Sadatoshi Takahashi, Sadahiko Tsuji 1987-08-18
4687302 Zoom lens Keiji Ikemori, Tsunefumi Tanaka 1987-08-18
4684223 Zoom lens of the rear focusing type Keiji Ikemori 1987-08-04
4682237 Photographic optical apparatus Tetsuharu Nishimura, Hideo Yokota 1987-07-21
4677489 Image pickup apparatus Tetsuharu Nishimura, Hideo Yokota 1987-06-30