HI

Hirokazu Ishii

Ricoh Company: 9 patents #38 of 1,810Top 3%
Canon: 2 patents #837 of 3,775Top 25%
Overall (2017): #6,081 of 506,227Top 2%
11
Patents 2017

Issued Patents 2017

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9835987 Image forming apparatus and transfer bias control Kenji Sugiura, Hiroyoshi Haga, Naohiro Kumagai, Seiichi Kogure, Junpei Fujita +5 more 2017-12-05
9817341 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Hiroyoshi Haga, Naohiro Kumagai, Seiichi Kogure +5 more 2017-11-14
9811046 Image forming apparatus Yuuji Wada, Naohiro Kumagai, Seiichi Kogure, Junpei Fujita, Kazuki Yogosawa +4 more 2017-11-07
9781329 Image capture apparatus and method for controlling the same 2017-10-03
9766575 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Hiroyoshi Haga, Yuuji Wada, Takehide Mizutani +5 more 2017-09-19
9740156 Image forming apparatus that adjusts a transfer bias according to surface properties of a transfer target Yuuji Wada, Hiroyoshi Haga, Naohiro Kumagai, Seiichi Kogure, Junpei Fujita +4 more 2017-08-22
9720355 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Jyunya Sakuraba, Toshitaka Yamaguchi, Hiroyoshi Haga +7 more 2017-08-01
9667878 Image capturing apparatus and control method for image capturing apparatus 2017-05-30
9645530 Image forming apparatus Naoto Kochi, Kenji Sugiura, Hiroyoshi Haga, Yuuji Wada, Takehide Mizutani +4 more 2017-05-09
9632461 Image forming apparatus controlling transfer bias based on temperature and humidity Kenji Sugiura, Toshitaka Yamaguchi, Hiroyoshi Haga, Shinya Tanaka, Takehide Mizutani +6 more 2017-04-25
9535375 Image forming apparatus with transfer output device outputting superimposed bias as transfer bias Shinya Tanaka, Yasunobu Shimizu, Keigo Nakamura 2017-01-03