Inventor
YUSA HIROSHI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “YUSA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
36 patentsUS6300024B1Oct 9, 2001
Toner, two-component type developer, heat fixing method, image forming method and apparatus unit
CANON KK56 citations96
US5137796AAug 11, 1992
Magnetic developer, comprising spherical particles magnetic
CANON KK58 citations96
US6875549B2Apr 5, 2005
Dry toner, toner production process, image forming method and process cartridge
CANON KK41 citations93
US5139914AAug 18, 1992
Developer for developing electrostatic images and image forming apparatus
CANON KK47 citations93
US7267919B2Sep 11, 2007
Toner
CANON KK33 citations92
US7097951B2Aug 29, 2006
Toner
CANON KK15 citations92
US7001703B2Feb 21, 2006
Toner
CANON KK20 citations92
US6881527B2Apr 19, 2005
Toner, and process cartridge
CANON KK36 citations92
US6485875B1Nov 26, 2002
Toner and resin composition for the toner
CANON KK41 citations92
US6214509B1Apr 10, 2001
Toner and image forming method
CANON KK28 citations92
US6033817AMar 7, 2000
Toner for developing electrostatic image and image forming method
CANON KK39 citations92
US6002895ADec 14, 1999
Process cartridge
CANON KK34 citations92
US5912101AJun 15, 1999
Toner for forming an image, image forming method and heat-fixing method
CANON KK36 citations92
US5840457ANov 24, 1998
Magnetic black toner and multi-color or full-color image forming method
CANON KK47 citations92
US5736288AApr 7, 1998
Toner for developing electrostatic images, process cartridge, and image forming method
CANON KK20 citations92
US5700616ADec 23, 1997
Developer for developing an electrostatic image and image forming method
CANON KK55 citations92
US5534981AJul 9, 1996
Image forming apparatus and developer for developing electrostatic images
CANON KK29 citations92
US5464722ANov 7, 1995
Production of toner for developing electrostatic images
CANON KK23 citations92
US5447815ASep 5, 1995
Developer for developing electrostatic image and image forming method
CANON KK20 citations92
US5424810AJun 13, 1995
Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus
CANON KK37 citations92
US5338638AAug 16, 1994
Toner for developing electrostatic image and process for production thereof
CANON KK30 citations92
US5319424AJun 7, 1994
Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus
CANON KK25 citations92
US5307122AApr 26, 1994
Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images
CANON KK33 citations92
US5270770ADec 14, 1993
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK21 citations92
US5262267ANov 16, 1993
Magnetic developer, image forming method and image forming apparatus
CANON KK40 citations92
US5180649AJan 19, 1993
Toner having crosslinkages and method of fixing same
CANON KK26 citations92
US5215845AJun 1, 1993
Image forming method and image forming apparatus
CANON KK36 citations91
US5663026ASep 2, 1997
Magnetic toner, process cartridge and image forming method
CANON KK18 citations84
US5270143ADec 14, 1993
Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus
CANON KK19 citations82
US4904562AFeb 27, 1990
Process for producing encapsulated toner
CANON KK20 citations82
US5802428ASep 1, 1998
Images forming apparatus and developer for developing electrostatic images
CANON KK5 citations74
US5217836AJun 8, 1993
Toner for developing electrostatic images
CANON KK15 citations74
US5210617AMay 11, 1993
Developer for developing electrostatic images and image forming apparatus
CANON KK18 citations74
US5510223AApr 23, 1996
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK2 citations63
US5422707AJun 6, 1995
Toner for developing electrostatic images, detachable apparatus, image forming apparatus and facsimile apparatus
CANON KK4 citations63
US5392103AFeb 21, 1995
Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
CANON KK3 citations63