Inventor
MARUYAMA AKIHIRO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
26 patentsUS9726992B2Aug 8, 2017
Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK33 citations94
US9599917B2Mar 21, 2017
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK34 citations94
US9436107B2Sep 6, 2016
Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer
CANON KK29 citations94
US9280071B2Mar 8, 2016
Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer
CANON KK30 citations94
US9274442B2Mar 1, 2016
Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion
CANON KK31 citations94
US9651879B2May 16, 2017
Electrophotographic photosensitive member, method of producing the electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK9 citations84
US9507283B2Nov 29, 2016
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK10 citations84
US9235144B2Jan 12, 2016
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK14 citations84
US9034545B2May 19, 2015
Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK15 citations84
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
US10656542B2May 19, 2020
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member
CANON KK1 citations62
US12547087B2Feb 10, 2026
Electrophotographic apparatus and process cartridge
CANON KK0 citations52
US12457841B2Oct 28, 2025
Photoelectric conversion element and photoelectric conversion device including the photoelectric conversion element
CANON KK0 citations52
US12353164B2Jul 8, 2025
Electrophotographic apparatus
CANON KK0 citations52
US11947275B2Apr 2, 2024
Electrophotographic apparatus
CANON KK0 citations52
US11500301B2Nov 15, 2022
Electrophotographic photosensitive member, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations52
US11493853B2Nov 8, 2022
Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatus
CANON KK0 citations52
US12326689B2Jun 10, 2025
Electrophotographic apparatus
CANON KK0 citations51
US12326688B2Jun 10, 2025
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK0 citations51
US10983449B2Apr 20, 2021
Method for manufacturing electrophotographic photoconductor
CANON KK0 citations43
US9091912B2Jul 28, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations42
US10114301B2Oct 30, 2018
Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9817326B2Nov 14, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9811008B2Nov 7, 2017
Image forming method, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9581920B2Feb 28, 2017
Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member
CANON KK0 citations41
MARUYAMA AKIHIRO
3 patentsUS8546050B2Oct 1, 2013
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
MARUYAMA AKIHIRO38 citations93
US8274435B2Sep 25, 2012
Antenna apparatus
MARUYAMA AKIHIRO0 citations50
US8507162B2Aug 13, 2013
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
MARUYAMA AKIHIRO0 citations40