Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11467513 | Image forming apparatus | Tomohiro Tamaki, Takahisa Nakaue, Kotatsu Kawaguchi, Masahito Ishino | 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 | Masahito Ishino, Takahisa Nakaue, Tomohiro Tamaki, Kotatsu Kawaguchi | 2022-06-21 |
| 11340537 | Development device and image forming apparatus including the development device | Masahito Ishino, Kotatsu Kawaguchi, Takahisa Nakaue, Tomohiro Tamaki | 2022-05-24 |
| 11150578 | Developing device having air discharge duct and image forming apparatus including the developing device | Minoru Wada, Yuji Kamiyama, Ikuo Makie, Yu Sasaki, Ryo Yamada | 2021-10-19 |
| 10120301 | Developing device and image forming apparatus including same | — | 2018-11-06 |
| 10073373 | Image forming apparatus and image forming method that ensure improved measurement sensitivity of patch density with optical sensor, and recording medium therefor | Yoshimi Shimizu | 2018-09-11 |
| 9665037 | Developing device and image forming apparatus including same | Shinji Otani, Yasuhiro Tauchi, Takashi Somete, Yoshimi Shimizu | 2017-05-30 |
| 9639024 | Developing device and image forming apparatus including same | Yasuhiro Tauchi, Shinji Otani, Takashi Somete, Yoshimi Shimizu | 2017-05-02 |
| 9541861 | Developing device, image forming apparatus, developing device control method | Yasuhiro Tauchi | 2017-01-10 |