Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010023 | Developing device, process cartridge and image forming apparatus | Shin Murayama, Shuichi Nakagawa, Ryuji Inoue | 2011-08-30 |
| 7945195 | Developing device having developer regulating member, and image forming apparatus using developing device | Ryuji Inoue, Shuuichi Nakagawa, Shin Murayama, Rumi Konishi, Kazushige Oonishi | 2011-05-17 |
| 7890033 | Developing device, process unit, and image forming apparatus which prevents ingrass of the developing agent in the vicinity of the developing member | Shin Murayama, Shuuichi Nakagawa, Ryuji Inoue | 2011-02-15 |
| 7865118 | Developing device for image forming apparatus and process cartridge having the same | Shuuichi Nakagawa, Ryuji Inoue, Shin Murayama, Kazushige Ohnishi | 2011-01-04 |