Inventor
MAYUZUMI HIROSHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MAYUZUMI HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS6023597AFeb 8, 2000
Cellular conductive roller with conductive powder filling open cells in the surface
CANON KK30 citations91
US7869741B2Jan 11, 2011
Charging member including a conductive support and surface layer having protrusions formed on a surface thereof, a process cartridge including same for use in an image forming apparatus
CANON KK7 citations83
US8383234B2Feb 26, 2013
Charging member, process cartridge, and electrophotographic apparatus
CANON KK13 citations82
US6001454ADec 14, 1999
Charging member and electrophotographic apparatus using the same
CANON KK14 citations73
US10078286B2Sep 18, 2018
Charging member, process cartridge and electrophotographic apparatus
CANON KK4 citations72
US10036971B2Jul 31, 2018
Charging member, process cartridge, and electrophotographic image forming apparatus
CANON KK4 citations72
US5824408AOct 20, 1998
White electroconductive coating composition and transfer material-carrying member
CANON KK8 citations72
US5819142AOct 6, 1998
Charging member and image-forming unit having the same
CANON KK16 citations72
US8971766B2Mar 3, 2015
Electrophotographic member, process cartridge and electrophotographic apparatus
CANON KK4 citations71