Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625853 | Developing roller provided with a shaft with an axial middle portion having a small outer diameter and axial end portions having large outer diameters and a developing device provided with the same | Masashi Imai | 2017-04-18 |
| 9405214 | Image forming apparatus for determining a target bias voltage value | Osamu Takahashi, Yasuhiro Shimamura, Tetsuya Okano, Yoshifumi Kajikawa | 2016-08-02 |
| 9348257 | Developing device provided with developing roller and thickness regulation blade | Masashi Imai | 2016-05-24 |
| 9244378 | Developing roller and developing device provided with the same | Masashi Imai | 2016-01-26 |
| 8948666 | Developing device having thickness regulation blade | Masashi Imai | 2015-02-03 |
| 8909109 | Developing device having thickness regulation blade | Masashi Imai | 2014-12-09 |
| 8452200 | Image forming apparatus | Kensuke Miyahara, Yoh Nishimura | 2013-05-28 |