Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353144 | Charging device, process cartridge, and image forming apparatus | Hiroki Sasame, Naoki Fuei | 2025-07-08 |
| 12164252 | Image forming apparatus | Yusuke Shimizu | 2024-12-10 |
| 12061429 | Heater, heating device, and image forming apparatus | Tatsuya Kinukawa, Yutaka Sato, Sho Taguchi, Yuki Oshima, Osamu Sasaoka +1 more | 2024-08-13 |
| 12050413 | Image forming apparatus | Yusuke Shimizu, Naoki Fukushima | 2024-07-30 |
| 11960226 | Image forming apparatus | Hiroki Sasame | 2024-04-16 |
| 11640123 | Image forming apparatus | Yusuke Shimizu, Naoki Fukushima | 2023-05-02 |
| 11402778 | Image forming apparatus that sets a target temperature for a fixing unit based on a minimum number of continuous pixels in a line | Satoshi Nishida, Ryo Morihara | 2022-08-02 |
| 11360417 | Heater, fixing unit and image forming apparatus | Shoichiro Ikegami, Hiroki Sasame, Yusuke Shimizu, Tatsuya Kinukawa | 2022-06-14 |
| 11275324 | Image forming apparatus that controls transfer current in a case in which a second toner image is transferred to a same recording material as a first toner image | Hiroki Sasame, Yusuke Shimizu | 2022-03-15 |
| 11112737 | Fixing apparatus including a heat conducting member with an extending portion extending upstream of the heater | Ryo Morihara, Masahiko Suzumi, Tatsuya Kinukawa, Takeharu Nakada, Akihito Kanamori +2 more | 2021-09-07 |
| 10990029 | Image forming apparatus correcting exposure amount of photosensitive member | Kenichi Iida, Hikaru Osada, Yusuke Shimizu | 2021-04-27 |
| 10901351 | Image forming apparatus that changes a control target temperature in accordance with a number of sheets of recording material that have passed through an image heating portion | Ryo Morihara, Masahiko Suzumi | 2021-01-26 |
| 10725405 | Fixing device | Masahiko Suzumi, Tatsuya Kinukawa, Takeharu Nakada, Ryo Morihara | 2020-07-28 |
| 10725407 | Fixing apparatus | Ryo Morihara, Masahiko Suzumi, Tatsuya Kinukawa, Takeharu Nakada | 2020-07-28 |
| 10656549 | Image forming apparatus correcting exposure amount of photosensitive member | Kenichi Iida, Hikaru Osada, Yusuke Shimizu | 2020-05-19 |
| 10649375 | Image forming apparatus configured to set a start of a feeding operation based on a value related to a rate of temperature rise for a fixing portion | Takeharu Nakada, Ryo Morihara, Masahiko Suzumi | 2020-05-12 |
| 10520849 | Image forming apparatus and control method thereof | Yusuke Shimizu, Kenichi Iida, Hikaru Osada | 2019-12-31 |
| 10359715 | Image forming apparatus | Takeharu Nakada, Tatsuya Kinukawa, Masahiko Suzumi, Ryo Morihara, Yusuke Nakazono +2 more | 2019-07-23 |
| 10295932 | Image forming apparatus and control method wherein a developer bearing member is driven at various speeds | Ryosuke Kanai | 2019-05-21 |
| 9891552 | Image forming apparatus performing toner purge processing | Masahiko Suzumi, Jun Hara | 2018-02-13 |
| 9817348 | Roller and fixing device | Naofumi Murata, Shoichiro Ikegami | 2017-11-14 |
| 9304458 | Image forming apparatus | Jun Hara, Masahiko Suzumi | 2016-04-05 |
| 8953962 | Image forming apparatus to transfer toner | Keisuke Ishizumi, Seiji Saito, Takeshi Shinji | 2015-02-10 |
| 8891989 | Image forming apparatus | Kensuke Umeda, Ken Nakagawa, Kazuhiro Doda | 2014-11-18 |
| 8811872 | Image heating apparatus, film used for the apparatus, and manufacturing method of flexible resin material for the film | Ken Nakagawa, Michio Uchida, Kazuhiro Doda, Kensuke Umeda | 2014-08-19 |