发明授权
US07817946B2 Developing device, image developing method, image forming apparatus, image forming method, and process cartridge
失效
显影装置，图像显影方法，图像形成装置，图像形成方法和处理盒
- 专利标题： Developing device, image developing method, image forming apparatus, image forming method, and process cartridge
- 专利标题（中）： 显影装置，图像显影方法，图像形成装置，图像形成方法和处理盒
-
申请号： US11851048申请日： 2007-09-06
-
公开(公告)号： US07817946B2公开(公告)日： 2010-10-19
- 发明人: Hiroyuki Murakami , Masahide Inoue , Masayuki Hagi , Takuya Kadota , Yoshihiro Mikuriya , Katsunori Kurose , Hideaki Yasunaga , Hiroaki Kato , Yoshimichi Ishikawa , Kazuoki Fuwa
- 申请人： Hiroyuki Murakami , Masahide Inoue , Masayuki Hagi , Takuya Kadota , Yoshihiro Mikuriya , Katsunori Kurose , Hideaki Yasunaga , Hiroaki Kato , Yoshimichi Ishikawa , Kazuoki Fuwa
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2006-243223 20060907
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
The present invention provides a developing device that allows for maintaining the conveyance amount of a toner within a certain definite range. A developing device 12 of the present invention is provided with a toner conveying unit 13 configured to convey a first toner and a controlling member 15 configured to control the thickness of a toner layer formed with the first toner conveyed by the toner conveying unit 13, wherein a second toner provided with a charged amount per unit mass that differs from a charged amount per unit mass of the first toner is applied over the surface of the controlling member 15.
公开/授权文献
信息查询
