P

Inventor

ISHIDA TOMOHITO

JP27 patents

Patents

27 patents
US7751737B2Jul 6, 2010

Image forming apparatus which corrects charge potential on an image carrier

CANON KK45 citations92
US6996358B2Feb 7, 2006

Toner kit, toner, method for forming an image, and image forming apparatus

CANON KK48 citations92
US11249407B2Feb 15, 2022

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK12 citations86
US11237493B2Feb 1, 2022

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK12 citations86
US11181837B2Nov 23, 2021

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK12 citations86
US11126097B2Sep 21, 2021

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK12 citations86
US11392074B2Jul 19, 2022

Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure group

CANON KK7 citations85
US7381509B2Jun 3, 2008

Toner kit, deep-color cyan toner, pale-color cyan toner, and image forming method

CANON KK10 citations84
US6803932B2Oct 12, 2004

Image forming apparatus

CANON KK14 citations84
US9026011B2May 5, 2015

Image forming apparatus

CANON KK7 citations83
US7512349B2Mar 31, 2009

Image forming apparatus and method featuring correction for compensating differences in surface potential characteristics of an image supporting body

CANON KK9 citations83
US7288356B2Oct 30, 2007

Toner kit, deep-color cyan toner, pale-color cyan toner, and image forming method

CANON KK9 citations74
US6879788B2Apr 12, 2005

Image forming apparatus with density detecting means

CANON KK11 citations74
US11782353B2Oct 10, 2023

Method for producing electrophotographic photosensitive member

CANON KK2 citations73
US6205306B1Mar 20, 2001

Electrophotographic apparatus

CANON KK7 citations73
US10539888B2Jan 21, 2020

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK2 citations71
US9488945B2Nov 8, 2016

Image forming apparatus and image forming method for reducing toner bearing amount, and storage medium thereof

CANON KK3 citations71
US7343112B2Mar 11, 2008

Image forming apparatus using hypochromatic toner and hyperchromatic toner

CANON KK2 citations63
US11619907B2Apr 4, 2023

Process cartridge

CANON KK0 citations62
US7603064B2Oct 13, 2009

Unit for tone-processing image data using screen pattern with different screen angles for toners of same hue and different density

CANON KK2 citations62
US12153370B2Nov 26, 2024

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK0 citations60
US12153376B2Nov 26, 2024

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK0 citations60
US12045006B2Jul 23, 2024

Electrophotographic photosensitive member

CANON KK0 citations52
US12248273B2Mar 11, 2025

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK0 citations51
US7643174B2Jan 5, 2010

Semiconductor laser drive control device

CANON KK0 citations51
US7792447B2Sep 7, 2010

Image heating apparatus with temperature control in relation to glass transition of toner

CANON KK0 citations41
US9454103B2Sep 27, 2016

Image forming apparatus

CANON KK0 citations40