Inventor
NAKAJIMA HIROHISA
JP16 patents
Patents
16 patentsUS9835970B2Dec 5, 2017
Image forming apparatus with pre-exposure member
CANON KK2 citations72
US9650220B2May 16, 2017
Sheet feeding apparatus and image forming apparatus
CANON KK2 citations72
US9557705B2Jan 31, 2017
Image forming apparatus including determination of amount of waste toner
CANON KK4 citations72
US9467586B2Oct 11, 2016
Image forming apparatus
CANON KK5 citations72
US10025218B2Jul 17, 2018
Image forming apparatus including high voltage generating circuit
CANON KK3 citations71
US10890855B2Jan 12, 2021
Power supply apparatus and image forming apparatus for determining malfunction or load abnormality
CANON KK2 citations65
US9525795B2Dec 20, 2016
Image forming apparatus with rotary polygon mirror speed control
CANON KK2 citations62
US10747158B2Aug 18, 2020
Distinction of causes of errors in image forming apparatus
CANON KK1 citations61
US10038803B2Jul 31, 2018
Image forming apparatus
CANON KK1 citations51
US9910407B2Mar 6, 2018
Image forming apparatus and image forming system
CANON KK1 citations51
US9523945B2Dec 20, 2016
Image forming apparatus that forms image on image carrier
CANON KK0 citations51
US11675286B2Jun 13, 2023
Image forming apparatus configured to determine abnormality of drum unit earth terminal
CANON KK0 citations50
US10656666B2May 19, 2020
Bias output apparatus including a plurality of voltage output circuits, and image forming apparatus
CANON KK0 citations50
US9507310B2Nov 29, 2016
Image forming apparatus having circuit board with silk-printed mark for holding claw
CANON KK1 citations50
US10031436B2Jul 24, 2018
High voltage generation apparatus and image forming apparatus
CANON KK0 citations39
US9804528B2Oct 31, 2017
Image forming apparatus that cleans detection surface of sensor for detecting developer accommodated in containing unit
CANON KK0 citations38