MS

Masanari Shirai

Canon: 16 patents #4,160 of 19,416Top 25%
Overall (All Time): #301,190 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7509086 Image forming apparatus 2009-03-24
7199898 Developing device and image forming apparatus 2007-04-03
5628406 Separating apparatus and image forming apparatus Yasumi Yoshida, Makoto Tanaka, Takeshi Aoyama 1997-05-13
5502547 Sealing device, process cartridge, image forming apparatus and assembling method of the process cartridge 1996-03-26
5455666 Developer extracting apparatus and image forming apparatus using it Hironobu Saito, Masami Maetani 1995-10-03
5329342 Image fixing apparatus Kazuo Kagiura, Hiroyoshi Maruyama, Masashi Ohashi, Tatsuya Shiratori, Naomasa Kimura +1 more 1994-07-12
5303004 Apparatus for driving image bearing member via torque limiter Hiroyoshi Maruyama, Kazuo Kagiura, Tatsuya Shiratori, Naomasa Kimura, Eiichi Ando +2 more 1994-04-12
5205551 Apparatus for transporting sheet Toshiyuki Nagano, Masashi Ohashi, Tatsuya Shiratori 1993-04-27
5191377 Original scanning apparatus with electrical connecting member Kazuo Kagiura, Tatsuya Shiratori, Naomasa Kimura, Eiichi Ando, Yoshikuni Toyama +2 more 1993-03-02
5187326 Developing apparatus 1993-02-16
5023658 Image forming apparatus Yoshikuni Toyama, Kazuo Kagiura, Hiroyoshi Maruyama, Tatsuya Shiratori, Masashi Ohashi +1 more 1991-06-11
4995601 Anti-skew sheet feeding device for image forming apparatus and sheet storage device for use therein Masashi Ohashi, Yoshikuni Toyama, Kazuo Kagiura, Hiroyoshi Maruyama, Tatsuya Shiratori +1 more 1991-02-26
4627703 Apparatus for forming images from positive and negative originals Hiroaki Suzuki, Shinji Murata, Kazuhiko Onuki 1986-12-09
4496117 Web transport device Kazuo Kashiwagi 1985-01-29
4432509 Apparatus for feeding film Hitoshi Yanagawa 1984-02-21
4341463 Image reproducing apparatus Kazuo Kashiwagi, Toshio Arai, Takao Toda, Masaaki Yanagi 1982-07-27