Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10719039 | Image forming apparatus including a second power supply that applies a voltage with a same polarity as a toner to a discharging member to charge toner on a secondary transfer roller | Shinya Tokutake, Hidetoshi Noguchi, Kazuyoshi Ota | 2020-07-21 |
| 10209646 | Image forming apparatus | Kazuyoshi Ota, Hiroaki Umemoto, Futoshi Okazaki, Hidetoshi Noguchi | 2019-02-19 |
| 10185270 | Image forming apparatus which determines a toner supplying amount based on predicted toner consumption and predicted density of stored toner, toner supply method, and non-transitory computer-readable recording medium encoded with toner supply program | Hiroaki Umemoto, Yohei ITO, Toshiaki Shima, Kazuyoshi Ota, Shinya Tokutake +3 more | 2019-01-22 |
| 9989882 | Development device and image forming apparatus | Toshiaki Shima, Yohei ITO, Shinya Tokutake, Hiroaki Umemoto | 2018-06-05 |
| 9335712 | Method for measuring lubricant-induced surface roughness and image forming apparatus | Tomohisa Yoshida, Tsugihito Yoshiyama, Yoshiki Nakane, Yohei ITO | 2016-05-10 |
| 9223283 | Image forming apparatus and lubricant application method | Yohei ITO, Tsugihito Yoshiyama, Yoshiki Nakane, Tomohisa Yoshida | 2015-12-29 |
| 9176447 | Image forming apparatus | Morio Osada, Tetsuo Sano, Junji Murauchi, Tomohisa Yoshida | 2015-11-03 |