Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045892 | Developing unit, process cartridge, and image forming method and apparatus incorporating an agitation compartment | Satoru Yoshida | 2011-10-25 |
| 7962071 | Developing device and image forming apparatus using same | Kiyonori Tsuda, Koichi Kato, Yuki Oshikawa, Yasufumi Takahashi, Eriko Maruyama +5 more | 2011-06-14 |
| 7890028 | Developing device and image forming apparatus comprising the same | Satoru Miyamoto, Maiko Koeda, Kiyonori Tsuda | 2011-02-15 |