Inventor
TOMIYAMA KOICHI
JP31 patents
Patents
31 patentsUS5137796AAug 11, 1992
Magnetic developer, comprising spherical particles magnetic
CANON KK58 citations96
US4939060AJul 3, 1990
Magnetic toner for developing electrostatic images
CANON KK55 citations96
US5976752ANov 2, 1999
Toner and image forming method
CANON KK58 citations95
US5139914AAug 18, 1992
Developer for developing electrostatic images and image forming apparatus
CANON KK47 citations93
US6238834B1May 29, 2001
Magnetic toner for developing electrostatic images, process for producing it, image forming method and process cartridge
CANON KK24 citations92
US6060202AMay 9, 2000
Toner for developing electrostatic images image forming method and process cartridge
CANON KK40 citations92
US6002895ADec 14, 1999
Process cartridge
CANON KK34 citations92
US5750302AMay 12, 1998
Magnetic toner for developing electrostatic image, image forming process, and process cartridge
CANON KK32 citations92
US5736288AApr 7, 1998
Toner for developing electrostatic images, process cartridge, and image forming method
CANON KK20 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
US6187495B1Feb 13, 2001
Yellow toner, process for producing the tower and image forming method using the toner
CANON KK18 citations84
US5858593AJan 12, 1999
Magnetic toner, apparatus unit and image forming method
CANON KK19 citations84
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
US6365314B1Apr 2, 2002
Toner for developing electrostatic image, image forming method and process cartridge
CANON KK6 citations74
US6090515AJul 18, 2000
Toner for developing electrostatic image, image forming method and process cartridge
CANON KK11 citations74
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