Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12189333 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Masahito Ishino, Takahisa Nakaue, Tomohiro Tamaki | 2025-01-07 |
| 12124187 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Masahito Ishino, Takahisa Nakaue, Tomohiro Tamaki | 2024-10-22 |
| 12124186 | Image forming apparatus having controller to control potential bias applied between developing roller and supply roller according to cumulative drive time | Takahisa Nakaue, Masahito Ishino, Tomohiro Tamaki | 2024-10-22 |
| 10990055 | Image forming apparatus including a conveyance guide for guiding a recording medium conveyed from a registration roller pair to a transfer nip | — | 2021-04-27 |
| 10564587 | Image forming apparatus | — | 2020-02-18 |
| 10409208 | Image forming apparatus for forming image on sheet | Eiji Nimura, Koji Kuramashi | 2019-09-10 |
| 10281840 | Image forming apparatus that executes cleaning operation on fixing section | Eiji Nimura, Koji Kuramashi | 2019-05-07 |
| 10156822 | Image forming apparatus that forms image on sheet | Eiji Nimura, Koji Kuramashi | 2018-12-18 |
| 10067456 | Drive transmitting device and image forming apparatus including the same | — | 2018-09-04 |
| 9436134 | Image forming apparatus | Sadanori Nakae | 2016-09-06 |
| 8953990 | Image forming apparatus with the rigid and elastic paper guides | Einosuke Kikuchi | 2015-02-10 |
| 8311444 | Cleaning device and image forming apparatus that remove residual toner from an intermediate transfer belt | Kouji Uno | 2012-11-13 |
| 8213835 | Image forming apparatus provided with transfer roller | — | 2012-07-03 |
| 8059980 | Image forming apparatus with improved transfer roller | — | 2011-11-15 |
| 6198891 | Image forming apparatus | Hideki Ishida, Toshiaki Kusuda, Kazuya Kamidaira, Tadakazu Ohgiri, Kiyoaki Miyamoto +1 more | 2001-03-06 |
| 6067436 | Image-forming machine | Hironobu Kohno | 2000-05-23 |
| 6002897 | Image-forming machine with photosensitive drum mount | Hironobu Kohno, Toshiaki Kusuda, Hideki Ishida, Kazuya Kamidaira, Tadakazu Ogiri +1 more | 1999-12-14 |
| 5161796 | Transfer paper separating device | — | 1992-11-10 |
| 5121165 | Developer unit and a toner hopper for an image forming device | Seitaro Yoshida, Kunio Nakai, Shinji Ogaki, Hiroshi Kageyama, Hiroyuki Hamakawa +2 more | 1992-06-09 |
| 5023748 | Corona wire cleaning device for a corona unit | Seitaro Yoshida, Hiroshi Kageyama, Shinji Ogaki | 1991-06-11 |