Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068770 | Toner cartridge, image forming apparatus, method of recycling toner cartridge | Takeroh Kurenuma, Fumio Ogata, Seiji Terazawa, Masayuki Yamane, Kenzo Tatsumi +4 more | 2011-11-29 |
| 8064807 | Developer supply system and image forming apparatus incorporating same | Maiko Koeda, Koichi Kato, Keiko Matsumoto, Takuzi Yoneda, Yuki Oshikawa +1 more | 2011-11-22 |
| 8014704 | Developing agent storage device and image forming apparatus having same in which the chargeability level of the toner, storage device, and carrier have a specific relationship | Keiko Matsumoto, Mugijirou Uno, Satoru Miyamoto, Junichi Terai | 2011-09-06 |
| 8010020 | Developing device and image forming apparatus equipped with the same | Koichi Kato, Kiyonori Tsuda, Yuki Oshikawa, Susumu Tateyama, Yoshitaka Fujinuma | 2011-08-30 |
| 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, Hiroyuki Okaji, Mugijirou Uno, Kiyonori Tsuda +1 more | 2011-08-02 |
| 7983577 | Image forming apparatus | Koichi Kato, Maiko Koeda | 2011-07-19 |
| 7962069 | Toner container, image forming apparatus, method of recycling toner container | Takeroh Kurenuma, Fumio Ogata, Seiji Terazawa, Masayuki Yamane, Kenzo Tatsumi +4 more | 2011-06-14 |
| 7937027 | Developing device and image forming apparatus | Koichi Kato, Junichi Terai, Kiyonori Tsuda, Satoru Yoshida, Shinya Kikutani +1 more | 2011-05-03 |