Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8315537 | Image-forming device having cleaning unit for removing developer | Kensuke Miyahara, Hikaru Yoshizumi, Shougo Sato | 2012-11-20 |
| 8311443 | Image-forming device having cleaning unit opposing belt | Shougo Sato | 2012-11-13 |
| 8301059 | Image formation apparatus and developer cartridge | — | 2012-10-30 |
| 8290393 | Image forming apparatus having waste toner box | — | 2012-10-16 |
| 8270869 | Image forming apparatus, supporting member, and image forming unit | — | 2012-09-18 |
| 8270870 | Image forming apparatus, supporting member, and image forming unit | — | 2012-09-18 |
| 8265517 | Image forming apparatus having photosensitive member providing a belt with developer and cleaning member for cleaning the belt | Kensuke Miyahara, Shougo Sato | 2012-09-11 |
| 8265523 | Image forming apparatus having replaceable developer cartridges | — | 2012-09-11 |
| 8233817 | Image forming apparatus | — | 2012-07-31 |
| 8229330 | Developing unit | — | 2012-07-24 |
| 8204410 | Developer cartridge, developing device, process cartridge and image forming apparatus | Ryuya Yamazaki, Takeyuki Takagi | 2012-06-19 |
| 8190066 | Developing unit | — | 2012-05-29 |
| 8175490 | Image forming apparatus with a cleaning unit | Shougo Sato | 2012-05-08 |
| 8165507 | Image formation apparatus and developer cartridge | — | 2012-04-24 |
| 8165501 | Image forming apparatus having cleaning unit fixed to drawer | Aya Tamura, Shougo Sato | 2012-04-24 |
| 8165492 | Developer cartridge, developing unit and image forming apparatus | — | 2012-04-24 |
| 8155567 | Developing device, process cartridge and image forming apparatus | — | 2012-04-10 |
| 8107829 | Image forming apparatus with a developer circulation mechanism | Shougo Sato | 2012-01-31 |
| 8073357 | Developer cartridge, developing unit and image forming apparatus having seal member for preventing leakage of developer | — | 2011-12-06 |
| 8068761 | Image forming apparatus having a cleaning unit | — | 2011-11-29 |
| 8045894 | Image forming apparatus having a remaining developer circulation mechanism | Shougo Sato | 2011-10-25 |
| 8027620 | Image formation apparatus and developer cartridge | — | 2011-09-27 |
| 8000628 | Image forming apparatus with a cleaning device | Shougo Sato | 2011-08-16 |
| 7983590 | Developer cartridge and developing unit having shutter for controlling supply of developer therebetween | — | 2011-07-19 |
| D637226 | Photosensitive drum unit | Takeyuki Takagi | 2011-05-03 |