P

Inventor

OKADO KENJI

JP46 patents

Patents

46 patents
US6077635AJun 20, 2000

Toner, two-component developer and image forming method

CANON KK115 citations98
US6465144B2Oct 15, 2002

Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner

CANON KK61 citations96
US6316157B1Nov 13, 2001

Toner and image forming method

CANON KK55 citations96
US5120631AJun 9, 1992

Color toner

CANON KK59 citations96
US7855042B2Dec 21, 2010

Developer and image forming method

CANON KK51 citations94
US5853938ADec 29, 1998

Toner for developing electrostatic image

CANON KK20 citations93
US5851714ADec 22, 1998

Toner for developing electrostatic image and fixing method

CANON KK38 citations93
US5795693AAug 18, 1998

Carrier for electrophotography, two component-type developer and image forming method

CANON KK25 citations93
US5700617ADec 23, 1997

Toner for developing electrostatic images and charge-controlling agent

CANON KK30 citations93
US5604071AFeb 18, 1997

Toner for developing electrostatic image

CANON KK27 citations93
US6936394B2Aug 30, 2005

Replenishing developer and developing method

CANON KK29 citations92
US6372400B1Apr 16, 2002

Carrier for use in electrophotography, two-component type developer and image forming method

CANON KK20 citations92
US6312862B1Nov 6, 2001

Two-component type developer and image forming method

CANON KK25 citations92
US6137977AOct 24, 2000

Image forming method and image forming apparatus using specific developer composition

CANON KK33 citations92
US6124067ASep 26, 2000

Magnetic carrier, two-component developer and image forming method

CANON KK47 citations92
US6077636AJun 20, 2000

Toner, two-component developer, image forming method and apparatus unit

CANON KK43 citations92
US5994019ANov 30, 1999

Image forming method

CANON KK22 citations92
US5774771AJun 30, 1998

Image forming method and apparatus using a particular toner

CANON KK45 citations92
US5747209AMay 5, 1998

Toner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acid

CANON KK31 citations92
US5733702AMar 31, 1998

Image forming method employing toner with external additive

CANON KK21 citations92
US5670288ASep 23, 1997

Carrier for electrophotography, two-component type developer, and image forming method

CANON KK25 citations92
US5512402AApr 30, 1996

Carrier for electrophotography, two-component type developer, and image forming method

CANON KK36 citations92
US5256512AOct 26, 1993

Color toner and two-component developer containing same

CANON KK30 citations92
US5149610ASep 22, 1992

Color toner and two-component developer containing same

CANON KK24 citations92
US5116711AMay 26, 1992

Color toner and two-component developer containing same

CANON KK28 citations92
US4904558AFeb 27, 1990

Magnetic, two-component developer containing fluidity improver and image forming method

CANON KK31 citations92
US4640882AFeb 3, 1987

Image forming method of negative latent images using silica particles

CANON KK34 citations92
US4626487ADec 2, 1986

Particulate developer containing inorganic scraper particles and image forming method using the same

CANON KK37 citations92
US5747213AMay 5, 1998

Image forming method and heat fixing method using a toner including a wax

CANON KK20 citations91
US6548218B1Apr 15, 2003

Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same

CANON KK15 citations84
US6316156B1Nov 13, 2001

Carrier for electrophotography, two component type developer, and image forming method

CANON KK16 citations84
US5637432AJun 10, 1997

Toner for developing electrostatic image comprising titanium oxide particles

CANON KK16 citations82
US7016630B2Mar 21, 2006

Image forming apparatus

CANON KK9 citations74
US6855469B2Feb 15, 2005

Full-color image-forming method, and two-component developer kit for forming full-color images

CANON KK8 citations74
US6641967B2Nov 4, 2003

Carrier for electrophotography, two component type developer, and image forming method

CANON KK7 citations74
US6030737AFeb 29, 2000

Non-magnetic toner for developing electrostatic image, process for producing non-magnetic toner particles, and image forming method

CANON KK13 citations74
US5885742AMar 23, 1999

Carrier for electrophotography, two-component type developer, and image forming method

CANON KK14 citations74
US5620824AApr 15, 1997

Toner, developer and image forming method

CANON KK14 citations74
US5239343AAug 24, 1993

Developing apparatus with regulating member having magnetic and non-magnetic members

CANON KK19 citations74
US5164275ANov 17, 1992

Method of forming a multicolor image with color toner and two-component developer containing same

CANON KK12 citations74
US4954404ASep 4, 1990

Developing method and device and color image forming method and apparatus using same

CANON KK17 citations74
US4590140AMay 20, 1986

Toner application method and treated magnetic particles for use therein

CANON KK12 citations74
US6285848B1Sep 4, 2001

Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive

CANON KK12 citations73
US4592987AJun 3, 1986

Toner application method and developer composition

CANON KK16 citations73
US7070898B2Jul 4, 2006

Toner

CANON KK4 citations63
US7024138B2Apr 4, 2006

Image forming apparatus, and replenishing developer kit

CANON KK6 citations63