SK

Seiichi Kogure

Ricoh Company: 11 patents #23 of 1,810Top 2%
Overall (2017): #5,550 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, Hirokazu Ishii, Naohiro Kumagai, Junpei Fujita +5 more 2017-12-05
9817341 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Hirokazu Ishii, Hiroyoshi Haga, Naohiro Kumagai +5 more 2017-11-14
9811046 Image forming apparatus Yuuji Wada, Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Kenji Sugirua +4 more 2017-11-07
9811036 Belt device and image forming apparatus including same Junpei Fujita, Kenji Sugiura, Yuuji Wada, Hiroyoshi Haga, Naohiro Kumagai +1 more 2017-11-07
9766575 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Hirokazu Ishii, Hiroyoshi Haga, Yuuji Wada +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, Junpei Fujita, Kazuki Yogosawa +4 more 2017-08-22
9720364 Image forming apparatus Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Tatsuya Ohsugi, Kenji Sugiura +3 more 2017-08-01
9720355 Image forming apparatus Tatsuya Ohsugi, Kenji Sugiura, Jyunya Sakuraba, Hirokazu Ishii, Toshitaka Yamaguchi +7 more 2017-08-01
9696662 Cleaning device and image forming apparatus incorporating same Kazuki Yogosawa, Mitsuru Takahashi, Hiroyoshi Haga, Kenji Sugiura, Naohiro Kumagai +5 more 2017-07-04
9690246 Image forming apparatus including contact members disposed side by side at positions opposing a guide unit Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Tatsuya Ohsugi, Kenji Sugiura +2 more 2017-06-27
9632461 Image forming apparatus controlling transfer bias based on temperature and humidity Kenji Sugiura, Toshitaka Yamaguchi, Hiroyoshi Haga, Hirokazu Ishii, Shinya Tanaka +6 more 2017-04-25