Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892010 | Developing device and image forming apparatus | Keisuke Kubo | 2014-11-18 |
| 8831485 | Powder container, image forming apparatus and cover moving method | Kiyohito HORII, Akihiko Terao | 2014-09-09 |
| 8774650 | Rotary developing device and image forming apparatus | — | 2014-07-08 |
| 8649707 | Developing device and image forming device having an adjustable developing roll | Keisuke Kubo | 2014-02-11 |
| 8626035 | Powder container, image forming apparatus, and powder container controlling method | Hideaki Ozawa, Kiyohito HORII, Akihiko Terao | 2014-01-07 |
| 8626036 | Powder container and image forming apparatus having an opening/closing member | Kiyohito HORII, Masaaki Tokunaga, Hideaki Ozawa, Akihiko Terao | 2014-01-07 |
| 8577240 | Sensor member and image forming apparatus | Kiyohito HORII, Masaaki Tokunaga | 2013-11-05 |
| 8538289 | Developing device and image forming apparatus | Keisuke Kubo | 2013-09-17 |
| 8428489 | Image forming apparatus component positioning mechanism | Junichirou Sameshima, Toshikazu Tsumita | 2013-04-23 |
| 8280276 | Image forming apparatus component positioning mechanism | Junichirou Sameshima, Toshikazu Tsumita | 2012-10-02 |
| 8170447 | Image forming apparatus, developing apparatus and contact-retracting method | Keisuke Kubo, Kei Hirata, Tomio Onuki, Toshikazu Tsumita, Taiyou Uehara +5 more | 2012-05-01 |
| 8135312 | Development apparatus and image forming apparatus | Hirohisa Kohno, Kazunori Koshimori, Kei Hirata, Akihide Kawamura, Naoya Iwata +5 more | 2012-03-13 |
| 7937021 | Image forming apparatus with fixing device including contact portion lower than transport face | Yukinori Sezaki, Shinichi Sakai | 2011-05-03 |
| 7907874 | Development device, and process cartridge and image forming apparatus using the device | — | 2011-03-15 |
| 7885582 | Image forming apparatus having developing material cartridges and a supply developing material container | Naomasa Okimura, Atsuna Saiki, Kazuhiro Saito, Kiyoshi Sakoh, Hideyuki Ohtani | 2011-02-08 |
| 7729635 | Image forming apparatus including movement mechanism | Naomasa Okimura, Yukinori Sezaki | 2010-06-01 |
| 7729636 | Process cartridge and image forming device | Toru Ozawa | 2010-06-01 |
| 7697869 | Image forming apparatus with image forming unit nearly orthogonal to developer supply unit | Naomasa Okimura, Yukinori Sezaki | 2010-04-13 |
| 7623808 | Image forming device and process cartridge | Toru Ozawa | 2009-11-24 |
| 7529509 | Development device with dispenser chamber inside bulkhead, and process cartridge and image forming apparatus using the device | Isao Ito | 2009-05-05 |
| 7426354 | Image forming device and process cartridge | Toru Ozawa | 2008-09-16 |
| 7415237 | Cleaning unit, process cartridge using cleaning unit, and image forming apparatus using cleaning unit | — | 2008-08-19 |
| 7400845 | Process cartridge supported by image forming apparatus main body and image forming apparatus using the same | — | 2008-07-15 |
| 7386254 | Position adjusting mechanism, process cartridge provided therewith, and image forming apparatus provided therewith | — | 2008-06-10 |
| 6738590 | Image forming apparatus with detachable image forming unit assembly | Naomasa Okimura, Hiromitsu Koizumi | 2004-05-18 |