Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12386292 | Image forming apparatus provided with heater including heat generating members with different lengths | — | 2025-08-12 |
| 11509782 | Image forming apparatus | — | 2022-11-22 |
| 11308369 | Image forming apparatus with mode for setting transfer voltage | — | 2022-04-19 |
| 11277529 | Image forming apparatus | — | 2022-03-15 |
| 11249422 | Image forming apparatus | — | 2022-02-15 |
| 11195068 | Image forming apparatus | — | 2021-12-07 |
| 10990051 | Image forming apparatus outputting plural test toner images for use in adjusting transfer voltage | Tatsuomi Murayama | 2021-04-27 |
| 10585376 | Image forming apparatus using test chart for adjusting transfer voltage | Tatsuomi Murayama | 2020-03-10 |
| 9927741 | Image forming apparatus | Akihiro Noguchi, Tatsuomi Murayama, Yasuki Kamimori | 2018-03-27 |
| 9766574 | Image forming apparatus | Tatsuomi Murayama | 2017-09-19 |
| 9760041 | Image forming apparatus | Akihiro Noguchi, Tatsuomi Murayama, Yasuki Kamimori | 2017-09-12 |
| 9658577 | Image forming apparatus having transfer belt rollers of specific shapes | Yutaka Kakehi, Hiroshi Kokubo, Takashi Fujita, Hideaki Kosasa | 2017-05-23 |
| 9417563 | Image forming apparatus | Tatsuomi Murayama | 2016-08-16 |
| 9389544 | Image forming apparatus | Tatsuomi Murayama | 2016-07-12 |
| 9239551 | Image forming apparatus | — | 2016-01-19 |
| 8634753 | Image forming apparatus operable in modes using a fixing device with/without a glossing device | — | 2014-01-21 |
| 8625155 | Image forming system, controlling apparatus, and recording medium having program recorded therein | — | 2014-01-07 |
| 8218990 | Image formation system, image formation method, and image quality improvement method twice heating and pressing a toner image on a recording material | Yuichiro Toyohara, Takeshi Menjo, Jiro Ishiduka, Motohide Shiozawa, Tatsuomi Murayama | 2012-07-10 |
| 8190076 | Image forming using a transparent toner image | — | 2012-05-29 |
| 8150280 | Image forming system | — | 2012-04-03 |
| 8086161 | Image forming apparatus which forms a toner image on a recording medium with the use of color toner and transparent toner | — | 2011-12-27 |
| 7720419 | Glossy image forming system and copy surface smoothing apparatus | — | 2010-05-18 |
| 7720423 | Image heating apparatus including a cooler and a siloxane-modified polyimide belt therefor | — | 2010-05-18 |
| 7542707 | Image forming apparatus | — | 2009-06-02 |
| 7486900 | Image forming apparatus capable of removing toner from a toner removing member | — | 2009-02-03 |