YK

Yuji Kawaguchi

Canon: 47 patents #820 of 19,416Top 5%
Honda Motor Co.: 5 patents #4,418 of 21,052Top 25%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
KA Kao: 1 patents #1,961 of 3,221Top 65%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Overall (All Time): #41,654 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
9817154 Acrylic resin film and retroreflective sheet 2017-11-14
9703232 Image forming apparatus that performs a contacting operation for contacting a developing member with an image bearing member Takaaki Shinkawa, Takahiro Ikeda, Jun Miura, Shunsuke Mizukoshi 2017-07-11
9417568 Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt Shinji Katagiri, Masaru Ohno, Tsuguhiro Yoshida, Takeo Kawanami, Taro Minobe +1 more 2016-08-16
9256187 Image forming apparatus using two power supply units to control transfer current Masaru Ohno, Shinji Katagiri 2016-02-09
9250576 Image forming apparatus Shinji Katagiri, Masaru Ohno, Satoshi Takami, Yoshikuni Ito 2016-02-02
9176436 Image forming apparatus with a brush member configured to charge untransferred developer material Shinji Katagiri, Masaru Ohno 2015-11-03
9158238 Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer belt Shinji Katagiri, Masaru Ohno, Tsuguhiro Yoshida, Takeo Kawanami, Taro Minobe +1 more 2015-10-13
9128411 Developing device, process cartridge, and electrophotographic apparatus Minoru Nakamura, Takuya Kitamura, Kouki Yano 2015-09-08
9110433 Image forming apparatus Takayuki Kanazawa, Kentaro Kawata, Takuya Kitamura 2015-08-18
9098005 Image forming apparatus Kentaro Kawata, Takuya Kitamura, Takayuki Kanazawa 2015-08-04
9081354 Image forming apparatus Masaru Ohno, Shinji Katagiri 2015-07-14
9069282 Image forming apparatus to detect amount of remaining developer Yuta Isobe, Hideo Kihara, Takuya Kitamura, Kouki Yano 2015-06-30
9063497 Image forming apparatus having a power supply common to primary transfer and secondary transfer Shinji Katagiri, Masaru Ohno, Satoshi Takami 2015-06-23
9002227 Image forming apparatus Masaru Ohno, Shinji Katagiri 2015-04-07
8995861 Image forming apparatus Takuya Kitamura, Hideo Kihara, Kouki Yano, Yuta Isobe 2015-03-31
8909111 Image forming apparatus Shinji Katagiri, Masaru Ohno, Satoshi Takami, Yoshikuni Ito 2014-12-09
8891986 Image forming apparatus Kentarou Kawata, Takuya Kitamura, Takayuki Kanazawa 2014-11-18
8891987 Color image forming apparatus Hideo Kihara, Takuya Kitamura, Kouki Yano, Yuta Isobe 2014-11-18
8811833 Image forming apparatus Motoki Adachi, Masanori Tanaka, Hideo Kihara, Takashi Mukai, Shinichi Agata +1 more 2014-08-19
8718503 Image forming apparatus Takayuki Kanazawa, Kentarou Kawata, Takuya Kitamura 2014-05-06
8687987 Image forming apparatus Kouki Yano, Takuya Kitamura, Hideo Kihara, Yuta Isobe 2014-04-01
8626016 Image forming apparatus Kentarou Kawata, Takuya Kitamura, Takayuki Kanazawa 2014-01-07
8600249 Image forming apparatus Motoki Adachi, Shuhei Kawasaki 2013-12-03
8488997 Image forming apparatus controlling standby positions of developing devices Motoki Adachi, Shuhei Kawasaki, Masanori Tanaka 2013-07-16
8155539 Image forming apparatus with electrostatic capacity detection Shuhei Kawasaki, Motoki Adachi 2012-04-10