Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242210 | Developing device of a non-magnetic one-component development type capable of suppressing toner melt adhesion to a regulation blade and image forming apparatus including the same | Tomohiro Tamaki | 2025-03-04 |
| 12189333 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Takahisa Nakaue, Tomohiro Tamaki, Sueaki Okamoto | 2025-01-07 |
| 12124186 | Image forming apparatus having controller to control potential bias applied between developing roller and supply roller according to cumulative drive time | Takahisa Nakaue, Tomohiro Tamaki, Sueaki Okamoto | 2024-10-22 |
| 12124187 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Sueaki Okamoto, Takahisa Nakaue, Tomohiro Tamaki | 2024-10-22 |
| 11640120 | Image forming apparatus and image forming method | Teppei Shibuya, Toshiki Fujita | 2023-05-02 |
| 11467513 | Image forming apparatus | Tomohiro Tamaki, Takahisa Nakaue, Kotatsu Kawaguchi, Yukari Ota | 2022-10-11 |
| 11366403 | Image forming apparatus capable of suppressing a white void in an image and a cleaning failure in a non-magnetic one component development device | Yukari Ota, Takahisa Nakaue, Tomohiro Tamaki, Kotatsu Kawaguchi | 2022-06-21 |
| 11340537 | Development device and image forming apparatus including the development device | Kotatsu Kawaguchi, Takahisa Nakaue, Yukari Ota, Tomohiro Tamaki | 2022-05-24 |
| 11320760 | Image forming apparatus and image forming method | Keiya Nishimura, Yoshitaka Imanaka, Toshiki Fujita | 2022-05-03 |
| 10901332 | Image forming apparatus and image forming method | Toshiki Fujita, Nariaki Tanaka, Kiyotaka Kobayashi | 2021-01-26 |
| 10877385 | Image forming apparatus and image forming method | Keiya Nishimura, Yoshitaka Imanaka, Toshiki Fujita | 2020-12-29 |
| 10698359 | Image forming apparatus and image forming method | Toshiki Fujita, Ikuo Makie, Nariaki Tanaka, Kiyotaka Kobayashi | 2020-06-30 |
| 10635013 | Image forming apparatus and image forming method | Nariaki Tanaka, Toshiki Fujita, Teppei Shibuya, Kiyotaka Kobayashi | 2020-04-28 |
| 10338514 | Image forming apparatus, developer used thereby, and image forming method | Yoshitaka Imanaka, Hiroaki Watanabe | 2019-07-02 |
| 10289057 | Image forming apparatus that causes one of cleaning member and image bearing member including photosenstive layer to reciprocate and image forming method | Yoshitaka Imanaka, Hiroaki Watanabe | 2019-05-14 |
| 9885972 | Image forming apparatus that ensures setting surface potential of photoreceptor drum with simple constitution | Minoru Wada, Masaru Hatano, Masaki Kadota, Keisuke Isoda, Atsushi Ishizaki | 2018-02-06 |
| 9785084 | Image forming apparatus that ensures setting surface potential of photoreceptor drum with simple constitution | Minoru Wada, Masaru Hatano, Masaki Kadota, Keisuke Isoda, Atsushi Ishizaki | 2017-10-10 |
| 9740134 | Image forming apparatus that sets surface potential of photoreceptor drum to target electric potential with simple configuration | Minoru Wada, Masaru Hatano, Masaki Kadota, Keisuke Isoda, Atsushi Ishizaki | 2017-08-22 |
| 9625850 | Image forming apparatus | — | 2017-04-18 |
| 9280092 | Developing device and image forming apparatus including the same | Minoru Wada, Masaru Hatano, Yoshinori Horiuchi, Akira Matayoshi, Ayaka Kondo +1 more | 2016-03-08 |
| 9141072 | Image forming apparatus and image deletion reducing method | Eiji Gyotoku, Jun Nakai | 2015-09-22 |
| 9104168 | Image forming apparatus | Eiji Gyotoku, Jun Nakai | 2015-08-11 |
| 9042767 | Image forming apparatus having a drum heater | Jun Nakai, Eiji Gyotoku | 2015-05-26 |
| 8798506 | Image forming apparatus | Yoshitaka Imanaka, Shinki Miyaji, Masaki Kadota, Hiroka Itani | 2014-08-05 |
| 8706007 | Image forming apparatus | Shinki Miyaji, Masaki Kadota, Yoshitaka Imanaka, Hiroka Itani | 2014-04-22 |