Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8831483 | Developing device and image forming apparatus | Takafumi Nagai | 2014-09-09 |
| 8744320 | Developing device and image forming apparatus | Takafumi Nagai | 2014-06-03 |
| 8731443 | Developing device and image forming apparatus | Takafumi Nagai | 2014-05-20 |
| 8682226 | Development device and image forming apparatus provided therewith | Takafumi Nagai | 2014-03-25 |
| 8666291 | Developer container and image forming apparatus | Toshihide Ohgoshi | 2014-03-04 |
| 8660466 | Development device and image forming apparatus including the same | Takafumi Nagai | 2014-02-25 |
| 8594538 | Developing device and image forming apparatus | Takafumi Nagai | 2013-11-26 |
| 8588656 | Developing device with double spiral blade and image forming apparatus | Takafumi Nagai | 2013-11-19 |
| 8554117 | Toner cartridge with shutter opening/closing and image forming apparatus using the same | Takeshi Okuda | 2013-10-08 |
| 8532523 | Toner cartridge having a toner flowing-out preventing member and image forming apparatus using the same | Yasuyuki Ishiguro | 2013-09-10 |
| 8488999 | Developing device and image forming apparatus having a developer conveying section with a spiral blade | Takafumi Nagai | 2013-07-16 |
| 8452215 | Developing device and image forming apparatus | Takafumi Nagai | 2013-05-28 |
| 8417160 | Toner cartridge including a toner flowing-out preventing valve | Yasuyuki Ishiguro | 2013-04-09 |
| 8412077 | Developing device and image forming apparatus using the same | Yasuyuki Ishiguro | 2013-04-02 |
| 8406650 | Developing device and image forming apparatus | Hisashi Kunihiro, Jun Yamaguchi, Shuichi Akedo | 2013-03-26 |
| 8340556 | Toner cartridge with toner stirring section including a first rotating body and second rotating body and image forming apparatus including the same | Hisashi Kunihiro | 2012-12-25 |
| 8270882 | Developing device and image forming apparatus using the same | Yasuyuki Ishiguro | 2012-09-18 |
| 8238797 | Toner cartridge and image forming apparatus using the same | Yasuyuki Ishiguro | 2012-08-07 |
| 8155566 | Toner feed unit with shutter assembly and image forming apparatus equipped with the same | Yoshihiro Yoshikawa, Yuhsuke Yoshimoto | 2012-04-10 |
| 8139989 | Toner bottle having a rubbing member and image forming apparatus including same | Toshihide Ohgoshi | 2012-03-20 |
| 8095049 | Toner cartridge and image forming apparatus using the same | Yasuyuki Ishiguro | 2012-01-10 |
| 8095047 | Fluid container device and image forming apparatus | Hideaki Kurimoto, Toshihide Ohgoshi, Hiroshi Kubota | 2012-01-10 |
| 8078089 | Development apparatus with a development roller scraper and image forming apparatus including the same | Hisashi Kunihiro | 2011-12-13 |
| 8055163 | Toner replenishing apparatus and image forming apparatus | Hideaki Kurimoto, Toshihide Ohgoshi | 2011-11-08 |
| 8055162 | Toner bottle and apparatus for image formation | Toshihide Ohgoshi, Hideaki Kurimoto, Hiroshi Kubota | 2011-11-08 |