Inventor
SHIRAFUJI YASUHITO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAFUJI YASUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
12 patentsUS9459579B2Oct 4, 2016
Image forming apparatus that corrects image forming condition based on measurement result of measurement image
CANON KK3 citations72
US9310742B2Apr 12, 2016
Image forming apparatus that updates process condition of image formation
CANON KK3 citations72
US10095171B2Oct 9, 2018
Image forming apparatus
CANON KK2 citations71
US9436145B2Sep 6, 2016
Image forming apparatus including correction unit that corrects tone correction table
CANON KK2 citations62
US8023840B2Sep 20, 2011
Image forming apparatus for detecting the distribution of electrical resistance of a transferring member
CANON KK2 citations62
US7558517B2Jul 7, 2009
Image forming apparatus featuring alleviation of toner image deformation resulting from a rotational speed change of an image bearing member
CANON KK6 citations62
US9091956B2Jul 28, 2015
Image forming apparatus for performing exposure a plurality of times
CANON KK0 citations52
US8854408B2Oct 7, 2014
Image forming apparatus for performing exposure a plurality of times
CANON KK0 citations52
US9772592B2Sep 26, 2017
Image forming apparatus
CANON KK0 citations41
US9501017B2Nov 22, 2016
Image forming apparatus that suppresses fluctuations in density of successively formed images even if charge amount of developer changes
CANON KK0 citations41
US9372460B2Jun 21, 2016
Image forming apparatus holding tone correction table
CANON KK0 citations41
US9057974B2Jun 16, 2015
Image forming apparatus having photosensitive member exposed to plural beams, and control apparatus for light source of image forming apparatus
CANON KK0 citations41
SHIRAFUJI YASUHITO
6 patentsUS9116470B2Aug 25, 2015
Adjustment of image density, using a density adjustment condition, in image forming apparatus
SHIRAFUJI YASUHITO5 citations71
US8929757B2Jan 6, 2015
Image forming apparatus for detecting and correcting thickness and area ratio of toner layer
SHIRAFUJI YASUHITO2 citations61
US8180235B2May 15, 2012
Image forming apparatus
SHIRAFUJI YASUHITO0 citations50
US8903262B2Dec 2, 2014
Image forming apparatus responsive to image forming conditions
SHIRAFUJI YASUHITO0 citations40
US8457537B2Jun 4, 2013
Image forming apparatus for transferring a toner image onto a recording material
SHIRAFUJI YASUHITO0 citations40
US8185026B2May 22, 2012
Image forming apparatus
SHIRAFUJI YASUHITO0 citations39