Invention Grant
- Patent Title: Image forming apparatus
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Application No.: US16054676Application Date: 2018-08-03
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Publication No.: US10401779B2Publication Date: 2019-09-03
- Inventor: Shinji Katagiri , Tsuguhiro Yoshida , Shuichi Tetsuno , Takayuki Tanaka , Takahiro Ikeda , Satoru Motohashi , Takumi Furukawa
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2017-163744 20170828
- Main IPC: G03G15/08
- IPC: G03G15/08 ; G03G21/00 ; G03G15/00 ; G03G15/01 ; G03G15/02 ; G03G15/16
Abstract:
A charge roller includes, in a surface thereof, recesses that have sizes that are equivalent to or larger than a volume average particle diameter of a toner accommodated in a developing unit and that are capable of collecting the toner retransferred to a photosensitive drum.
Public/Granted literature
- US20190064726A1 IMAGE FORMING APPARATUS Public/Granted day:2019-02-28
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