Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8583009 | Developing cartridge including detection system for determining initial developer amount | — | 2013-11-12 |
| 8577244 | Developing cartridge | Hiroki Mori | 2013-11-05 |
| 8515309 | Process cartridge, developing cartridge and image forming apparatus | Hiroki Mori | 2013-08-20 |
| 8213826 | Image forming apparatus and developing cartridge | Shougo Sato, Naoya Kamimura | 2012-07-03 |
| 8204410 | Developer cartridge, developing device, process cartridge and image forming apparatus | Ryuya Yamazaki, Susumu Sakuma | 2012-06-19 |
| 8131188 | Developer container | — | 2012-03-06 |
| 8126377 | Developer cartridge, developing device, and process cartridge | Ryuya Yamazaki | 2012-02-28 |
| D652862 | Toner cartridge | Hiroki Mori | 2012-01-24 |
| 8099020 | Developer cartridge and developing device | Soichiro Mase, Nao Itabashi | 2012-01-17 |
| 8099001 | Developer cartridge and developer device for detecting the amount of developer in the developer cartridge | Soichiro Mase | 2012-01-17 |
| 8023864 | Toner cartridge and developing apparatus | Hiroki Mori | 2011-09-20 |
| 8014694 | Image forming apparatus and developing cartridge | Shougo Sato, Naoya Kamimura | 2011-09-06 |
| 7945184 | Process cartridge with member for electrical connection to image-forming device | — | 2011-05-17 |
| 7941072 | Cartridge | Satoru Ishikawa, Fumio Morita | 2011-05-10 |
| D637226 | Photosensitive drum unit | Susumu Sakuma | 2011-05-03 |
| 7817945 | Developer cartridge and method of recycling the developer cartridge | Soichiro Mase | 2010-10-19 |
| 7805097 | Developing device and toner cartridge | Soichiro Mase | 2010-09-28 |
| 7742725 | Developing device | Soichiro Mase | 2010-06-22 |
| 7693442 | Developing cartridge for supplying power to a developer roller shaft when coupled to an image forming apparatus | Shougo Sato | 2010-04-06 |
| 7693443 | Image forming apparatus and developing cartridge | Shougo Sato, Naoya Kamimura | 2010-04-06 |
| 7647005 | Process unit, toner box and image forming apparatus | — | 2010-01-12 |
| 7643770 | Image forming apparatus and developing cartridge | Shougo Sato | 2010-01-05 |
| 7639968 | Process unit and image forming apparatus | — | 2009-12-29 |
| 7587155 | Process cartridge and image forming apparatus | Tsutomu Suzuki | 2009-09-08 |
| 7561836 | Processing unit, toner box and image forming apparatus | — | 2009-07-14 |