Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527974 | Belt device and image forming apparatus incorporating same | Seiichi Kogure | 2020-01-07 |
| 10281848 | Image forming apparatus and image forming method | Yuuji Wada, Naoto Kochi, Hiroki Nakamatsu, Kazuki Yogosawa, Takahiro Suzuki +8 more | 2019-05-07 |
| 10228639 | Image forming apparatus with a support to adjust a rotator and a guide | Seiichi Kogure, Naohiro Kumagai, Kazuki Yogosawa, Tatsuya Ohsugi, Kenji Sugiura +2 more | 2019-03-12 |
| 10185255 | Image forming apparatus and image forming method for controlling a secondary transfer bias according to recording sheet type | Naoto Kochi, Hirokazu Ishii, Seiichi Kogure, Naohiro Kumagai, Kenji Sugiura +6 more | 2019-01-22 |
| 10152001 | Image forming apparatus | Naohiro Kumagai, Seiichi Kogure, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada | 2018-12-11 |
| 10120304 | Belt device including support portions and an adjuster to adjust positions of the support portions | Naohiro Kumagai, Seiichi Kogure, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada | 2018-11-06 |
| 10114331 | Transfer device and image forming apparatus incorporating same | Katsuhito Haruno, Atsushi Nakamoto, Masakazu Imai, Osamu Ichihashi, Takehide Mizutani +1 more | 2018-10-30 |
| 10101690 | Image forming apparatus | Kenji Sugiura, Naohiro Kumagai, Seiichi Kogure, Kazuki Yogosawa, Yuuji Wada +1 more | 2018-10-16 |
| 10078295 | Belt device and image forming apparatus incorporating same | Seiichi Kogure | 2018-09-18 |
| 9897943 | Belt unit, transfer unit, and image forming apparatus including a pressing member that presses an edge of a belt | Naohiro Kumagai, Seiichi Kogure, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada +1 more | 2018-02-20 |
| 9864307 | Image forming apparatus with a controller to set transfer bias | Kenji Sengoku, Hiromi Ogiyama, Hiroyoshi Haga, Tomokazu Takeuchi, Yasunobu Shimizu | 2018-01-09 |
| 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 | Tatsuya Ohsugi, Kenji Sugiura, Hirokazu Ishii, Hiroyoshi Haga, Naohiro Kumagai +5 more | 2017-11-14 |
| 9811046 | Image forming apparatus | Yuuji Wada, Naohiro Kumagai, Seiichi Kogure, Kazuki Yogosawa, Kenji Sugirua +4 more | 2017-11-07 |
| 9811036 | Belt device and image forming apparatus including same | Kenji Sugiura, Yuuji Wada, Hiroyoshi Haga, Seiichi Kogure, 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, Seiichi Kogure, Kazuki Yogosawa +4 more | 2017-08-22 |
| 9720364 | Image forming apparatus | Seiichi Kogure, Naohiro Kumagai, 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 | Seiichi Kogure, Naohiro Kumagai, Kazuki Yogosawa, Tatsuya Ohsugi, 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 | Tatsuya Ohsugi, Kenji Sugiura, Jyunya Sakuraba, Hirokazu Ishii, Toshitaka Yamaguchi +7 more | 2016-10-04 |