Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8180249 | Image forming apparatus | — | 2012-05-15 |
| 8086146 | Image forming method and apparatus for effectively supplying developer | Mugijirou Uno, Kiyonori Tsuda | 2011-12-27 |
| 7991330 | Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge | Yuki Oshikawa, Koichi Kato, Mugijirou Uno, Kiyonori Tsuda, Emi Kita +1 more | 2011-08-02 |
| 7962078 | Image forming apparatus capable of stably conveying recording medium | — | 2011-06-14 |
| 7925190 | Developer supply device and image forming apparatus comprising same | Keiko Matsumoto, Mugijirou Uno | 2011-04-12 |
| 7801467 | Developing-agent container, method of manufacturing developing-agent container, developing-agent supplying device, and image forming apparatus | Mugijirou Uno, Keiko Matsumoto | 2010-09-21 |
| 7787813 | Image forming apparatus capable of stably conveying recording medium | — | 2010-08-31 |
| 6128449 | Image forming apparatus and method for controlling charging and developing bias voltage | Hideki Zenba, Masaru Tanaka, Haruji Mizuishi, Kenzo Tatsumi, Hiroshi Mizusawa +2 more | 2000-10-03 |