Inventor
TOKIWA SHUHEI
JP21 patents
Patents
21 patentsUS11860566B2Jan 2, 2024
Image forming apparatus
CANON KK6 citations85
US9442418B2Sep 13, 2016
Developing device, process cartridge and image forming apparatus
CANON KK4 citations73
US9298128B2Mar 29, 2016
Image forming apparatus
CANON KK3 citations73
US9261811B2Feb 16, 2016
Developer carrying member, developing assembly, process cartridge, and image forming apparatus
CANON KK3 citations73
US9134649B2Sep 15, 2015
Image forming apparatus
CANON KK4 citations73
US12181826B2Dec 31, 2024
Image forming apparatus
CANON KK2 citations72
US12253811B2Mar 18, 2025
Developing device
CANON KK1 citations63
US12271140B2Apr 8, 2025
Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus
CANON KK0 citations62
US11378910B2Jul 5, 2022
Process cartridge and image forming apparatus
CANON KK0 citations52
US9594320B2Mar 14, 2017
Toner and method of producing the toner
CANON KK1 citations52
US9405217B2Aug 2, 2016
Developer carrying member and image forming apparatus
CANON KK1 citations52
US9261814B2Feb 16, 2016
Developer carrying member, developing assembly, process cartridge, and image forming apparatus
CANON KK1 citations51
US12124182B2Oct 22, 2024
Image-forming apparatus to control potential difference based on image-forming operation
CANON KK0 citations50
US12393135B2Aug 19, 2025
Image forming apparatus
CANON KK0 citations49
US12313982B2May 27, 2025
Image forming apparatus having longer term anti-fogging
CANON KK0 citations49
US11675288B2Jun 13, 2023
Image forming apparatus
CANON KK0 citations48
US11650515B2May 16, 2023
Image forming apparatus
CANON KK0 citations48
US12204269B2Jan 21, 2025
Image forming apparatus including movable brush member
CANON KK0 citations46
US10871743B2Dec 22, 2020
Cleaning device for removing a developer, process cartridge and image forming apparatus
CANON KK0 citations41
US10852686B2Dec 1, 2020
Cleaning device for image bearing member, process cartridge and image forming apparatus
CANON KK0 citations41
US10578991B2Mar 3, 2020
Image forming apparatus having nip portion holding recording material between transfer member and image bearing member
CANON KK0 citations41