Inventor
OKAMURA KEI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA INC
20 patentsUS10338494B2Jul 2, 2019
Developing apparatus and image forming apparatus having developer movement apparatus
KONICA MINOLTA INC2 citations72
US9857746B2Jan 2, 2018
Image forming apparatus
KONICA MINOLTA INC2 citations72
US11488295B2Nov 1, 2022
Evaluation device and evaluation method
KONICA MINOLTA INC0 citations62
US11402791B2Aug 2, 2022
Image forming apparatus and lubricant supply control method
KONICA MINOLTA INC0 citations62
US10795306B2Oct 6, 2020
Cleaning member for image forming apparatus including a protrusion
KONICA MINOLTA INC1 citations62
US10241444B2Mar 26, 2019
Developing device and image forming apparatus for efficient equalization of developer along a developing device
KONICA MINOLTA INC1 citations62
US11275334B2Mar 15, 2022
Image forming apparatus and recording medium
KONICA MINOLTA INC0 citations61
US9715196B2Jul 25, 2017
Method of controlling image forming apparatus, image forming apparatus and image forming system to identify paper position and paper deformation
KONICA MINOLTA INC1 citations52
US11480905B2Oct 25, 2022
Image forming apparatus
KONICA MINOLTA INC0 citations51
US10437173B2Oct 8, 2019
Developing device and image forming device that mixes developing agent
KONICA MINOLTA INC0 citations51
US10139755B2Nov 27, 2018
Developing device with side by side developing sections, and image forming apparatus with same
KONICA MINOLTA INC1 citations51
US9915905B2Mar 13, 2018
Image forming apparatus
KONICA MINOLTA INC1 citations51
US9606489B2Mar 28, 2017
Image forming apparatus, image forming system, and density unevenness correction method
KONICA MINOLTA INC1 citations51
US11181858B1Nov 23, 2021
Image forming apparatus and detecting method of image density failure
KONICA MINOLTA INC0 citations50
US10198663B2Feb 5, 2019
System for predicting occurrence of defective image and program for predicting occurrence of defective image
KONICA MINOLTA INC0 citations50
US12360712B2Jul 15, 2025
Image processing system for specifying countermeasures against errors, image forming system, information processing apparatus, inspection method, countermeasure specifying program, countermeasure specifying system, learning apparatus, and learning method
KONICA MINOLTA INC0 citations45
US10203630B2Feb 12, 2019
Developing apparatus and image forming apparatus
KONICA MINOLTA INC0 citations41
US9436143B2Sep 6, 2016
Fixing apparatus, image forming apparatus and temperature control method of fixing apparatus
KONICA MINOLTA INC0 citations41
US10635024B2Apr 28, 2020
Developing device and image forming apparatus, wherein the developing roller includes a magnetic pole forming part to be formed with a plurality of magnetic poles along a circumference direction of the developing roller
KONICA MINOLTA INC0 citations40
US10558141B2Feb 11, 2020
Image forming apparatus, developing device, and developer liquid-level detection program
KONICA MINOLTA INC0 citations40