Inventor
KUMOI HIROFUMI
JP9 patents
Patents
9 patentsUS9274442B2Mar 1, 2016
Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion
CANON KK31 citations94
US7732113B2Jun 8, 2010
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing electrophotographic photosensitive member
CANON KK28 citations92
US9164406B2Oct 20, 2015
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK19 citations83
US9864284B2Jan 9, 2018
Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK2 citations72
US9753385B2Sep 5, 2017
Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK3 citations72
US9921499B2Mar 20, 2018
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment
CANON KK1 citations51
US9778581B2Oct 3, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9665020B2May 30, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9229342B2Jan 5, 2016
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41