Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10268154 | Toner conveyance device including a toner loosener and image forming apparatus including the toner conveyance device | — | 2019-04-23 |
| 10228639 | Image forming apparatus with a support to adjust a rotator and a guide | Seiichi Kogure, Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Kenji Sugiura +2 more | 2019-03-12 |
| 9897946 | Roller member including a first and second high resistance member and image forming apparatus including the roller member | Masakazu Imai, Masaharu Furuya, Tsutomu Kato, Katsuhito Haruno, Osamu Ichihashi | 2018-02-20 |
| 9835987 | Image forming apparatus and transfer bias control | Kenji Sugiura, Hiroyoshi Haga, Hirokazu Ishii, Naohiro Kumagai, Seiichi Kogure +5 more | 2017-12-05 |
| 9817341 | Image forming apparatus | Kenji Sugiura, Hirokazu Ishii, 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 |
| 9766575 | Image forming apparatus | Kenji Sugiura, Hirokazu Ishii, 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 |
| 9720364 | Image forming apparatus | Seiichi Kogure, Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Kenji Sugiura +3 more | 2017-08-01 |
| 9720355 | Image forming apparatus | Kenji Sugiura, Jyunya Sakuraba, Hirokazu Ishii, Toshitaka Yamaguchi, Hiroyoshi Haga +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 | Seiichi Kogure, Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Kenji Sugiura +2 more | 2017-06-27 |
| 9645530 | Image forming apparatus | Naoto Kochi, Kenji Sugiura, Hirokazu Ishii, Hiroyoshi Haga, Yuuji Wada +4 more | 2017-05-09 |
| 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 |
| 9519257 | Cleaning device and image forming apparatus incorporating same | Kenji Sengoku, Kazuki Yogosawa, Mitsuru Takahashi, Seiichi Kogure, Kenji Sugiura +4 more | 2016-12-13 |
| 9459564 | Image forming apparatus | Kenji Sugiura, Jyunya Sakuraba, Hirokazu Ishii, Toshitaka Yamaguchi, Hiroyoshi Haga +7 more | 2016-10-04 |
| 9395658 | Image forming apparatus | Yuuji Wada, Naohiro Kumagai, Seiichi Kogure, Junpei Fujita, Kazuki Yogosawa +4 more | 2016-07-19 |