Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130584 | Image forming apparatus controlling blowing unit according to temperature gradient value | — | 2024-10-29 |
| 12111588 | Image-forming apparatus to control intermediate transfer belt driving speed | Shingo Harada, Kosuke Ogino | 2024-10-08 |
| 11835891 | Intermediate transfer belt and image forming apparatus | Shuji Saito, Hiroomi Kojima | 2023-12-05 |
| 11493865 | Image heating device and image forming apparatus | — | 2022-11-08 |
| 10684580 | Image forming apparatus having an image reader for measuring the width of a nip of the image forming apparatus | Eiji Uekawa | 2020-06-16 |
| 10289036 | Image forming apparatus | Ken Yokoyama, Kuniaki Kasuga, Shuichi Tetsuno | 2019-05-14 |
| 10203637 | Fixing apparatus having a restrictive guide member | Kenji Takagi | 2019-02-12 |
| 9989901 | Image fixing device having a controller that maintains a temperature of the heater | — | 2018-06-05 |
| 9760049 | Fixing apparatus | Atsushi Iwasaki, Daizo Fukuzawa | 2017-09-12 |
| 9624391 | Water-based ink composition and water-based ballpoint pen | — | 2017-04-18 |
| 9477188 | Fixing device | — | 2016-10-25 |
| 9436139 | Image heating apparatus | — | 2016-09-06 |
| 9411274 | Image forming apparatus switching between first and second air feeding operations with different opening amounts of an opening through which air fed from a fan passes according to the detected temperature | Toshiya Kaino | 2016-08-09 |
| 9372456 | Fixing apparatus | Atsushi Iwasaki, Daizo Fukuzawa | 2016-06-21 |
| 9116480 | Image forming apparatus, having air feeding portion including a fan, a duct with an opening, and opening-amount adjusting member, configured to execute first and second air feeding operations | Toshiya Kaino | 2015-08-25 |
| 9037035 | Image forming apparatus including toner charging member for charging and moving residual toner | Tomoaki Nakai, Kimitaka Ichinose, Takao Kume | 2015-05-19 |
| 8712273 | Fixing apparatus | — | 2014-04-29 |
| 8554100 | Image forming apparatus using an electrophotographic system | Kimitaka Ichinose, Takao Kume, Tomoaki Nakai | 2013-10-08 |
| 5687001 | Halftone image ion printer | Akira Shibuya, Tomohiro Shinbo, Masayuki Iijima | 1997-11-11 |
| 5541542 | Halftone image device and its driving circuit | Akira Shibuya, Tomohiro Shinbo, Masayuki Iijima | 1996-07-30 |