| 10437184 |
Image forming apparatus |
— |
2019-10-08 |
| 9207556 |
Image formation apparatus having cleaning mode to clean charging device configured to charge image carrier |
Tsutomu Kosasa |
2015-12-08 |
| 9134648 |
Image forming unit and image forming apparatus |
— |
2015-09-15 |
| 8903281 |
Image forming apparatus including an image forming unit with white developer |
— |
2014-12-02 |
| 8447222 |
Image forming unit with developer collector contacting image carrier at predetermined contact pressure, and image forming device |
— |
2013-05-21 |
| 8401453 |
Cleaning device and image forming apparatus |
— |
2013-03-19 |
| 8285162 |
Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developer |
— |
2012-10-09 |
| 8182972 |
Developer, developer storage unit, developing device, and image forming apparatus |
— |
2012-05-22 |
| 8086125 |
Image forming apparatus that includes a first developing device that holds a black developer and a second developing device that holds a gray developer |
— |
2011-12-27 |
| 7745086 |
Developer material, developer material cartridge, image forming device, and image forming apparatus |
— |
2010-06-29 |
| 7286781 |
Developer, image forming method and image forming apparatus |
— |
2007-10-23 |
| 7282315 |
Developer, developer cartridge, and image forming apparatus |
Toru Ishihara |
2007-10-16 |
| 7090954 |
Developer, developer cartridge, and image forming apparatus |
Toru Ishihara |
2006-08-15 |
| 6661988 |
Image-forming apparatus having a silicone roller to prevent filming effect |
Toru Ishihara |
2003-12-09 |