Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948658 | Developing device and image forming apparatus | Shigeki Hayashi | 2015-02-03 |
| 8831483 | Developing device and image forming apparatus | Koichi Mihara | 2014-09-09 |
| 8744319 | Developing device and image forming apparatus | Hiroyoshi MAEHARA | 2014-06-03 |
| 8744320 | Developing device and image forming apparatus | Koichi Mihara | 2014-06-03 |
| 8731443 | Developing device and image forming apparatus | Koichi Mihara | 2014-05-20 |
| 8688013 | Developing device and image forming apparatus | Shigeki Hayashi | 2014-04-01 |
| 8682227 | Toner discharging device, toner cartridge and image forming apparatus | Toshihide Ohgoshi | 2014-03-25 |
| 8682226 | Development device and image forming apparatus provided therewith | Koichi Mihara | 2014-03-25 |
| 8660466 | Development device and image forming apparatus including the same | Koichi Mihara | 2014-02-25 |
| 8594538 | Developing device and image forming apparatus | Koichi Mihara | 2013-11-26 |
| 8588657 | Developing device and image forming apparatus | Shigeki Hayashi | 2013-11-19 |
| 8588656 | Developing device with double spiral blade and image forming apparatus | Koichi Mihara | 2013-11-19 |
| 8554115 | Developing device, image forming apparatus, developer agitating and conveying method | Shigeki Hayashi | 2013-10-08 |
| 8526863 | Toner discharge mechanism, toner cartridge and image forming apparatus using the toner cartridge | Shigeki Hayashi | 2013-09-03 |
| 8521069 | Developing device and image forming apparatus including the same | Shigeki Hayashi | 2013-08-27 |
| 8488998 | Developing device and image forming apparatus including the same | Shigeki Hayashi | 2013-07-16 |
| 8488999 | Developing device and image forming apparatus having a developer conveying section with a spiral blade | Koichi Mihara | 2013-07-16 |
| 8472845 | Developing device and image forming apparatus having the developing device | Shigeki Hayashi | 2013-06-25 |
| 8452215 | Developing device and image forming apparatus | Koichi Mihara | 2013-05-28 |
| 8401432 | Developing device and image forming apparatus | Shigeki Hayashi | 2013-03-19 |
| 7011920 | Non-magnetic mono-component toner and developing method with the same | Tadayuki Sawai, Toshihisa Ishida, Kouji Kida, Kazuya Korematsu, Toru Nishikawa +1 more | 2006-03-14 |
| 7010236 | Equipment unit with imperceptible information recorded thereon being used with an image forming device and an image forming device comprising the same | Kohji Shinkawa, Hideyuki Nishimura, Takeshi Murata, Keiko Yutani, Hitoshi Nagahama | 2006-03-07 |
| 5314773 | Black toner for electrophotography | Masahiko Kubo, Akihiro Watanabe, Hironori Maruyama | 1994-05-24 |
| 5239342 | Method of developing an electrostatic latent image utilizing a two-component developer comprising a magnetic carrier and a toner | Masahiko Kubo, Akihiro Watanabe, Hironori Maruyama | 1993-08-24 |