Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416894 | Image forming apparatus | Yutaka Goto, Hiroshi Kikuchi, Hirotaka Hatta, Hideki Kimura, Yusuke Ishizuka +2 more | 2025-09-16 |
| 12111600 | Powder conveying device and image forming apparatus incorporating same | Kazuhiro Shimada, Hideki Kimura, Hiroshi Kikuchi, Yusuke Ishizuka, Yutaka Takahashi +3 more | 2024-10-08 |
| 11789385 | Transfer bias and pressure in an image forming apparatus | Yuuki Aoki, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi, Yusuke Ishizuka +3 more | 2023-10-17 |
| 11494602 | Image forming apparatus | Takuya Akiyama, Atsushi Nakamoto, Daisuke Hamada, Yuuki Aoki, Yutaka Goto | 2022-11-08 |
| 11366404 | Image forming apparatus and adjusting method | Atsushi Nakamoto, Daisuke Hamada, Takuya Akiyama, Yuuki Aoki, Yutaka Goto | 2022-06-21 |
| 11269271 | Roller unit, belt device and image forming apparatus | Yutaka Goto, Atsushi Nakamoto, Daisuke Hamada, Takuya Akiyama, Yuuki Aoki | 2022-03-08 |
| 11126114 | Belt running device, transfer device, and image forming apparatus | Atsushi Nakamoto, Daisuke Hamada, Takuya Akiyama, Yuuki Aoki, Yutaka Goto | 2021-09-21 |
| 10527974 | Belt device and image forming apparatus incorporating same | Junpei Fujita | 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 | Naohiro Kumagai, Junpei Fujita, 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, Naohiro Kumagai, Kenji Sugiura, Shinya Tanaka +6 more | 2019-01-22 |
| 10152001 | Image forming apparatus | Naohiro Kumagai, Junpei Fujita, 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 | Junpei Fujita, Naohiro Kumagai, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada | 2018-11-06 |
| 10101690 | Image forming apparatus | Kenji Sugiura, Naohiro Kumagai, Junpei Fujita, Kazuki Yogosawa, Yuuji Wada +1 more | 2018-10-16 |
| 10078295 | Belt device and image forming apparatus incorporating same | Junpei Fujita | 2018-09-18 |
| 9897943 | Belt unit, transfer unit, and image forming apparatus including a pressing member that presses an edge of a belt | Junpei Fujita, Naohiro Kumagai, Kazuki Yogosawa, Kenji Sugiura, Yuuji Wada +1 more | 2018-02-20 |
| 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 |