Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088772 | Developing device | Ryohei Terada, Ichiro Katsuie, Masahiro Ootsuka, Tatsuya Inoue | 2018-10-02 |
| 9897960 | Image forming apparatus | Masahiro Ootsuka, Ichiro Katsuie, Ryohei Terada | 2018-02-20 |
| 9268263 | Development apparatus and image forming apparatus | Osamu Ariizumi, Takanori Iida, Shinya Suzuki, Ryohei Terada, Ichiro Katsuie +1 more | 2016-02-23 |
| 7949271 | Image forming apparatus using a controller configured to control a developing bias to be applied to developer bearing member based on a input waveform bias and an output waveform bias | — | 2011-05-24 |
| 7890026 | Development apparatus and image forming apparatus | — | 2011-02-15 |