Inventor
UYAMA MASAO
JP46 patents
⚠️ This page may combine multiple inventors who share the name “UYAMA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
39 patentsUS9823621B2Nov 21, 2017
Photosensitive member cartridge and process cartridge
CANON KK28 citations98
US6978099B2Dec 20, 2005
Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge
CANON KK122 citations98
US6834175B2Dec 21, 2004
Developer agitating member
CANON KK119 citations98
US6421512B2Jul 16, 2002
Image forming apparatus with image bearing member charger that reduces the amount of toner electric charge
CANON KK62 citations96
US10599094B2Mar 24, 2020
Photosensitive member cartridge and process cartridge
CANON KK9 citations93
US10191446B2Jan 29, 2019
Photosensitive member cartridge and process cartridge
CANON KK12 citations93
US7035573B2Apr 25, 2006
Developing apparatus having developer carrying screw with a plurality of inclination angles
CANON KK44 citations93
US6947677B2Sep 20, 2005
Image forming apparatus with developing apparatus and method thereof
CANON KK40 citations93
US6640060B2Oct 28, 2003
Image forming apparatus with developer density and remaining amount detection
CANON KK23 citations93
US6928253B2Aug 9, 2005
Image forming apparatus including toner charging member
CANON KK18 citations92
US6496664B1Dec 17, 2002
Image forming apparatus comprising storing means for storing information that a setting operation is performed
CANON KK37 citations92
US7162167B2Jan 9, 2007
Image forming apparatus, method of adjusting developing unit of the apparatus, developing unit, and storage medium
CANON KK10 citations84
US6999689B2Feb 14, 2006
Image forming apparatus and method of controlling same
CANON KK14 citations84
US6963707B2Nov 8, 2005
Image forming apparatus including first and second auxiliary residual developer charging features
CANON KK14 citations84
US6922539B2Jul 26, 2005
Process cartridge and image forming apparatus in which the contact width of a developer charger with an image bearing member is greater than or equal to the sum of the developing width of developing means and the width of movement of the developer charger
CANON KK18 citations84
US6807384B2Oct 19, 2004
Image forming apparatus
CANON KK19 citations84
US9256157B2Feb 9, 2016
Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying member
CANON KK10 citations83
US7286788B2Oct 23, 2007
Image forming apparatus
CANON KK7 citations74
US7058338B2Jun 6, 2006
Image forming apparatus with reciprocating dispersing feature
CANON KK10 citations74
US7054566B2May 30, 2006
Image forming apparatus, cartridge, and storage medium
CANON KK7 citations74
US11982972B2May 14, 2024
Photosensitive member cartridge and process cartridge
CANON KK2 citations73
US11899393B2Feb 13, 2024
Photosensitive member unit and development unit
CANON KK2 citations73
US9069312B2Jun 30, 2015
Image forming apparatus having capacitance detection
CANON KK4 citations72
US12529994B2Jan 20, 2026
Photosensitive member unit and development unit
CANON KK0 citations63
US12321129B2Jun 3, 2025
Photosensitive member cartridge and process cartridge
CANON KK0 citations63
US12111608B2Oct 8, 2024
Photosensitive member unit and development unit
CANON KK0 citations63
US11789403B2Oct 17, 2023
Photosensitive member cartridge and process cartridge
CANON KK0 citations63
US11487240B2Nov 1, 2022
Photosensitive member unit and development unit
CANON KK0 citations63
US11314198B2Apr 26, 2022
Photosensitive member cartridge and process cartridge
CANON KK0 citations63
US11281156B2Mar 22, 2022
Photosensitive member cartridge and process cartridge
CANON KK0 citations63
US11156953B2Oct 26, 2021
Photosensitive member cartridge and process cartridge
CANON KK0 citations63
US11119442B2Sep 14, 2021
Photosensitive member unit and development unit
CANON KK0 citations63
US6904251B2Jun 7, 2005
Image forming apparatus including a transfer member made of a resin material for use with toner having a specified weight particle size distribution
CANON KK5 citations63
US10747170B2Aug 18, 2020
Photosensitive member unit and development unit
CANON KK0 citations52
US10372079B2Aug 6, 2019
Photosensitive member unit and development unit
CANON KK0 citations52
US9766571B2Sep 19, 2017
Process cartridge with developing container for an image forming apparatus
CANON KK0 citations51
US9213257B2Dec 15, 2015
Small-sized developing device and process cartridge having stable developer regulation
CANON KK0 citations51
US9002236B2Apr 7, 2015
Cleaning device for removing a developer from the surface of an image bearing member and process cartridge
CANON KK0 citations42
US9098060B2Aug 4, 2015
Cleaning device, process cartridge, and image forming apparatus
CANON KK0 citations40
MITA INDUSTRIAL CO LTD
4 patentsUS5557380ASep 17, 1996
Apparatus for developing an electrostatic latent image having limiting blade holding device
MITA INDUSTRIAL CO LTD13 citations73
US5268718ADec 7, 1993
Developing device
MITA INDUSTRIAL CO LTD9 citations69
US5530525AJun 25, 1996
Image forming apparatus
MITA INDUSTRIAL CO LTD4 citations61
US5450176ASep 12, 1995
Developing device with rigid member toner limiting means
MITA INDUSTRIAL CO LTD5 citations59