Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11275320 | Image forming apparatus and charging method | — | 2022-03-15 |
| 11061349 | Heating device, fixing device and image forming apparatus | Chie Miyauchi | 2021-07-13 |
| 10942473 | Airflow guides in developing device | Masato Ogasawara, Masayuki Kasukawa, Nobuaki Takahashi, Takao Izumi | 2021-03-09 |
| 10901343 | Developing device with removable seal closing port and image forming apparatus having the same | Masayuki Kasukawa | 2021-01-26 |
| 10766722 | Image forming apparatus and sheet conveyance method | Katsutoshi Mita | 2020-09-08 |
| 10725401 | Developing device with a gap forming member and image forming apparatus having the same | Masato Ogasawara, Masayuki Kasukawa, Sunao Takenaka | 2020-07-28 |
| 10503095 | Image forming apparatus and developer replacement method of image forming apparatus | Kei Onishi | 2019-12-10 |
| 10067469 | Image forming apparatus using humidity and temperature detection | — | 2018-09-04 |
| 10036978 | Image forming apparatus and developer replacement method of image forming apparatus | Kei Onishi | 2018-07-31 |
| 9671727 | Method for erasing image | Takayasu Aoki, Katsunori Mizuta | 2017-06-06 |
| 9405241 | Image processing apparatus and method for operating image processing apparatus | — | 2016-08-02 |
| 9298143 | Method for erasing image | Takayasu Aoki, Katsunori Mizuta | 2016-03-29 |
| 9201327 | Electrophotographic toner | Takayasu Aoki, Yasuhito Noda, Tsuyoshi Itou, Noboru Furuyama | 2015-12-01 |
| 9164408 | Electrophotographic toner | Takayasu Aoki, Tsuyoshi Itou | 2015-10-20 |
| 9104153 | Image forming apparatus | — | 2015-08-11 |
| 9044981 | Image processing apparatus and method for operating image processing apparatus | — | 2015-06-02 |
| 8971747 | Image forming apparatus and method for controlling image forming apparatus, which includes fixing and decolorizing section | Masato Ogasawara | 2015-03-03 |
| 8963973 | Image forming apparatus and image forming method | — | 2015-02-24 |
| 8918002 | Image forming apparatus and method for controlling image forming apparatus, which includes fixing and decolorizing section | Masato Ogasawara | 2014-12-23 |
| 8892020 | Image forming apparatus and image forming method | Takayasu Aoki, Tsuyoshi Itou, Hiromichi Mitamura, Noboru Furuyama | 2014-11-18 |
| 8805224 | Image forming apparatus | — | 2014-08-12 |
| 8730285 | Decoloring apparatus, image forming apparatus, and decoloring method | Takayasu Aoki, Noboru Furuyama | 2014-05-20 |
| 8691487 | Electrophotographic toner | Takayasu Aoki, Yasuhito Noda, Tsuyoshi Itou, Noboru Furuyama | 2014-04-08 |
| 8615189 | Image forming apparatus and image forming method | Takayasu Aoki, Tsuyoshi Itou, Hiromichi Mitamura, Noboru Furuyama | 2013-12-24 |
| 8603722 | Toner producing method and toner | Tsuyoshi Itou, Takayasu Aoki, Masahiro Ikuta | 2013-12-10 |