Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9588459 | Developing device having developing roller and thickness-regulating blade | Takuya Amaike, Kenta Tosuji | 2017-03-07 |
| 9557681 | Developing device, process cartridge and image forming apparatus | Kenjiro Nishiwaki, Takuya Amaike, Masateru Kawamura, Kazuna Taguchi, Motoaki Mushika +3 more | 2017-01-31 |
| 9335658 | Developer supply device with wall between chambers having two heights | — | 2016-05-10 |
| 9235157 | Developing device having developing roller, layer thickness regulation blade and seal member | Kenta Tosuji, Masahiro Ishii, Takuya Amaike | 2016-01-12 |
| 9098009 | Developing device | Kenta Tosuji, Masahiro Ishii, Takuya Amaike | 2015-08-04 |
| 9086655 | Developing device | Kazuna Taguchi | 2015-07-21 |
| 8660471 | Developer supply device and image forming apparatus having the same | Keisuke Takahashi | 2014-02-25 |
| 8639166 | Developer supply device and image forming apparatus having the same | Mitsukiyo Okamura, Keisuke Takahashi, Suzue ONODA | 2014-01-28 |
| 8428361 | Image processing apparatus for detecting a face | — | 2013-04-23 |
| 8401445 | Developer supply apparatus and image forming apparatus | Mitsukiyo Okamura, Kenjiro Nishiwaki, Yasuhiro Maruyama, Tomoaki Hazeyama, Masataka Maeda +1 more | 2013-03-19 |
| 8182974 | Method for producing negative charging toner | — | 2012-05-22 |
| 8029967 | Method for producing toner | Masateru Kawamura, Jun Ikami, Tomoaki Hattori | 2011-10-04 |
| 7368387 | Polishing composition and polishing method | Hiroyasu Sugiyama, Toshiki Owaki | 2008-05-06 |