Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500330 | Image forming apparatus having developing device with air suction device | Kei Yuasa, Takenobu Kimura, Tetsuya Ishikawa | 2022-11-15 |
| 10649365 | Developing device and image forming device | Wataru Watanabe, Tomohiro Kawasaki, Takenobu Kimura, Ryoei Ikari | 2020-05-12 |
| 10642202 | Image forming apparatus | Yuji Kamoda, Hiroyuki Saito, Tatsuya Furuta | 2020-05-05 |
| 10459392 | Image forming apparatus, method of discharging toner, and program for discharging toner | Takenobu Kimura, Tomohiro Kawasaki, Wataru Watanabe, Ryoei Ikari | 2019-10-29 |
| 10437173 | Developing device and image forming device that mixes developing agent | Kazuteru Ishizuka, Hideaki Tanaka, Shunichi Takaya, Kei Okamura, Kei Yuasa | 2019-10-08 |
| 10401761 | Developing device and image forming apparatus | Takenobu Kimura, Tomohiro Kawasaki, Wataru Watanabe, Ryoei Ikari | 2019-09-03 |
| 10338494 | Developing apparatus and image forming apparatus having developer movement apparatus | Shunichi Takaya, Hideaki Tanaka, Kazuteru Ishizuka, Kei Okamura, Kei Yuasa | 2019-07-02 |
| 10296271 | Image forming apparatus and page order changing program | Wataru Watanabe, Tatsuya Furuta, Kazuteru Ishizuka, Hiroshi Morimoto | 2019-05-21 |
| 10241444 | Developing device and image forming apparatus for efficient equalization of developer along a developing device | Kei Okamura, Shunichi Takaya, Hideaki Tanaka, Kazuteru Ishizuka, Kei Yuasa | 2019-03-26 |
| 10203630 | Developing apparatus and image forming apparatus | Kei Yuasa, Shunichi Takaya, Hideaki Tanaka, Kazuteru Ishizuka, Kei Okamura | 2019-02-12 |
| 10197951 | Image forming apparatus, image forming system and recording medium | Hiroshi Morimoto, Wataru Watanabe, Kazuteru Ishizuka, Tatsuya Furuta | 2019-02-05 |
| 10139755 | Developing device with side by side developing sections, and image forming apparatus with same | Shunichi Takaya, Kei Okamura, Hideaki Tanaka, Kazuteru Ishizuka, Kei Yuasa | 2018-11-27 |
| 9964897 | Developing device and image forming apparatus | Kazuteru Ishizuka, Hiroshi Morimoto, Wataru Watanabe, Tatsuya Furuta | 2018-05-08 |
| 9796555 | Image forming apparatus and image formation system | Tatsuya Furuta, Tomohiro Kawasaki, Tetsuya Ishikawa, Natsuko Kawai | 2017-10-24 |
| 9696680 | Transfer-section contamination prevention device and image forming apparatus | Tomohiro Kawasaki, Tetsuya Ishikawa, Natsuko Kawai, Tatsuya Furuta | 2017-07-04 |
| 9696664 | Image forming apparatus, image formation system and recording medium | Tatsuya Furuta, Natsuko Kawai, Tetsuya Ishikawa, Tomohiro Kawasaki | 2017-07-04 |
| 9488946 | Image forming apparatus, image forming system and concentration unevenness detecting method | Tatsuya Furuta, Kazuhiro Saito, Kazuteru Ishizuka, Tomohiro Kawasaki | 2016-11-08 |
| 9432547 | Image forming apparatus and density correction method | Tatsuya Furuta, Kazuhiro Saito, Tomohiro Kawasaki, Kazuteru Ishizuka | 2016-08-30 |