Inventor
YAGUCHI KAZUTAKA
JP10 patents
Patents
10 patentsUS9268282B2Feb 23, 2016
Image forming apparatus and image forming system
CANON KK5 citations71
US9753393B2Sep 5, 2017
Image forming apparatus potential surface detector
CANON KK2 citations69
US9310709B2Apr 12, 2016
Image forming apparatus including calculating portion configured to calculate surface potential of image bearing member
CANON KK3 citations69
US11674893B2Jun 13, 2023
Structure of optical sensor having light-emitting element and light-receiving element
CANON KK0 citations51
US11579081B2Feb 14, 2023
Structure of optical sensor having light-emitting element and plurality of light-receiving elements
CANON KK0 citations51
US12535402B2Jan 27, 2026
Method of reducing effect of stray light in optical sensor
CANON KK0 citations50
US11815824B2Nov 14, 2023
Image forming apparatus that generates test image group having plurality of test images
CANON KK0 citations50
US9405212B2Aug 2, 2016
Image forming apparatus with malfunction detection
CANON KK1 citations50
US11448991B2Sep 20, 2022
Image forming apparatus that obtains color misregistration amount using detection result of test image
CANON KK0 citations40
US10061223B2Aug 28, 2018
Image forming apparatus
CANON KK0 citations38