RY

Ryuichi Yoshizawa

Canon: 25 patents #2,400 of 19,416Top 15%
Overall (All Time): #163,643 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
10254699 Image forming apparatus to correct timing of image formation Naoki Kanno 2019-04-09
9291976 Image forming apparatus having a conveying path, option apparatus and image forming system Hiroki Hashii 2016-03-22
8687988 Image forming apparatus for retrying feed of transfer material 2014-04-01
8577277 Image forming apparatus 2013-11-05
8544844 Image forming system and control method therefor, and control unit for image forming apparatus Atsuya Takahashi, Akihiro Nakamura, Tadashi Okanishi, Kazuhisa Maruyama, Kaoru Sato 2013-10-01
8531695 Image forming system and image forming method with operation continuation determination Akihiro Nakamura, Atsuya Takahashi, Kaoru Sato, Kazuhisa Maruyama 2013-09-10
8060003 Image forming apparatus wherein a setting unit sets an interval of image formation according to a size of a recording medium 2011-11-15
8000616 Image forming apparatus Eiichiro Teshima, Tatsuto Tachibana, Kazuhisa Maruyama, Atsuya Takahashi, Akihiro Nakamura +1 more 2011-08-16
7916318 Image forming system and image forming method Akihiro Nakamura, Atsuya Takahashi, Kaoru Sato, Kazuhisa Maruyama 2011-03-29
7802791 Image forming system and control method therefor, and control unit for image forming apparatus Atsuya Takahashi, Akihiro Nakamura, Tadashi Okanishi, Kazuhisa Maruyama, Kaoru Sato 2010-09-28
7729005 Image forming apparatus and its control method Tadashi Okanishi, Kazuhisa Maruyama, Akihiro Nakamura, Atsuya Takahashi 2010-06-01
7595912 Image forming system and method Atsuya Takahashi, Akihiro Nakamura, Kaoru Sato, Kazuhisa Maruyama 2009-09-29
7551306 Image forming apparatus and method for controlling the image forming apparatus Atsuya Takahashi 2009-06-23
7398030 Image forming apparatus and output control method of the same Akihiro Nakamura, Kaoru Sato, Kazuhisa Maruyama, Atsuya Takahashi 2008-07-08
7251424 Method and apparatus for timing image formation in an image-forming apparatus 2007-07-31
7190916 Image forming apparatus 2007-03-13
7146118 Image forming apparatus and method 2006-12-05
7110684 Cartridge for replenishing developer including a memory device and a control system featuring the cartridge Hironobu Isobe, Masahide Kinoshita, Koichi Hiroshima 2006-09-19
6754454 Image forming apparatus capable of discriminating a service life of detachably mounted process unit Koichi Hiroshima, Masahide Kinoshita, Hironobu Isobe 2004-06-22
6718144 Image forming apparatus and process unit mountable to image forming apparatus Koichi Hiroshima, Masahide Kinoshita, Hironobu Isobe 2004-04-06
6704521 Image forming apparatus and image forming method Hironobu Isobe, Masahide Kinoshita, Koichi Hiroshima 2004-03-09
6381419 Image forming apparatus with developer density and developer remaining amount detection features Masahide Kinoshita, Koichi Hiroshima, Hironobu Isobe 2002-04-30
6301452 Image forming apparatus 2001-10-09
6044234 Image processing apparatus and method for controlling a detection timing of a density sensor 2000-03-28
5809365 Image forming apparatus using intermediate transfer member 1998-09-15