Inventor
YAMAUCHI KAZUMI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS5923917AJul 13, 1999
Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatus
CANON KK68 citations96
US5802419ASep 1, 1998
Image forming apparatus and process cartridge for image forming apparatus
CANON KK70 citations96
US6459861B1Oct 1, 2002
Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatus
CANON KK29 citations92
US5715499AFeb 3, 1998
Contact charger having an oscillating voltage for charging a photosensitive member
CANON KK25 citations92
US6229970B1May 8, 2001
Image forming apparatus with an amount of use control feature and cartridge removably mounted on the apparatus
CANON KK25 citations91
US7274884B2Sep 25, 2007
Image forming apparatus to which a cartridge having a memory medium configured to store information-forming-condition information is attachable, such a cartridge, such a memory medium, and an image forming system comprising such a memory medium
CANON KK13 citations84
US7003249B2Feb 21, 2006
Developing apparatus including agitating member
CANON KK12 citations84
US6850714B2Feb 1, 2005
Image forming apparatus, cartridge, image forming system and storage medium
CANON KK16 citations84
US6674975B2Jan 6, 2004
Electrophotographic image forming apparatus and process cartridge
CANON KK13 citations84
US10228635B2Mar 12, 2019
Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
CANON KK7 citations83
US9857730B2Jan 2, 2018
Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
CANON KK9 citations83
US7639956B2Dec 29, 2009
Image forming apparatus, cartridge, and storing device mounted to the cartridge
CANON KK17 citations83
US6963714B2Nov 8, 2005
Developing blade and device and process cartridge
CANON KK14 citations83
US6944410B2Sep 13, 2005
Image forming apparatus and method of sensing amount of remaining developer in image forming apparatus
CANON KK9 citations73
US6549223B2Apr 15, 2003
Electrophotographic apparatus, process cartridge, and electrophotographic photosensitive member
CANON KK12 citations73
US9857724B2Jan 2, 2018
Image forming apparatus
CANON KK2 citations72
US10520859B2Dec 31, 2019
Image forming apparatus controlling surface potential of image bearing member
CANON KK0 citations41
US6529221B2Mar 4, 2003
Electrophotographic apparatus
CANON KK0 citations41