Inventor
CHO KOUEI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “CHO KOUEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA INC
12 patentsUS11221578B2Jan 11, 2022
Image forming apparatus that detects deterioration of a spring used to bias a sheet locking member
KONICA MINOLTA INC0 citations51
US12210306B2Jan 28, 2025
Image forming system, resistance detection device, resistance detection method, and program
KONICA MINOLTA INC0 citations50
US11990856B2May 21, 2024
Rotation detector and image forming apparatus
KONICA MINOLTA INC0 citations50
US10313546B2Jun 4, 2019
Image reading apparatus and image forming apparatus
KONICA MINOLTA INC0 citations40
US10148167B2Dec 4, 2018
Power supply device and control method
KONICA MINOLTA INC0 citations40
US10069425B2Sep 4, 2018
Switching power supply device for reducing energy loss
KONICA MINOLTA INC0 citations40
US9927759B2Mar 27, 2018
Power supply device for suppressing cross regulation and image forming apparatus including power supply device
KONICA MINOLTA INC0 citations40
US9645541B2May 9, 2017
Electric power supply device which can reduce the amount of power consumption
KONICA MINOLTA INC0 citations40
US9372470B2Jun 21, 2016
Apparatus for detecting an abnormal circumstance at a connection between the apparatus and an attached detachable unit
KONICA MINOLTA INC0 citations40
US9256188B2Feb 9, 2016
Image forming apparatus
KONICA MINOLTA INC0 citations40
US9335710B2May 10, 2016
Electric power supply control device which can increase power converting efficiency
KONICA MINOLTA INC0 citations39
US9250556B2Feb 2, 2016
Image forming apparatus with ion generation mode
KONICA MINOLTA INC0 citations39