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Patents Grants
last 30 patents
Information
Patent Grant
Toner for developing electrostatic image
Patent number
6,783,910
Issue date
Aug 31, 2004
Canon Kabushiki Kaisha
Takaaki Kohtaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image
Patent number
6,623,901
Issue date
Sep 23, 2003
Canon Kabushiki Kaisha
Takaaki Kohtaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, image forming method and...
Patent number
6,365,314
Issue date
Apr 2, 2002
Canon Kabushiki Kaisha
Koichi Tomiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner having negative triboelectric chargeability and developing me...
Patent number
6,218,065
Issue date
Apr 17, 2001
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, image forming method and...
Patent number
6,090,515
Issue date
Jul 18, 2000
Canon Kabushiki Kaisha
Koichi Tomiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing an electrostatic image
Patent number
6,017,669
Issue date
Jan 25, 2000
Canon Kabushiki Kaisha
Makoto Unno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images
Patent number
5,972,554
Issue date
Oct 26, 1999
Canon Kabushiki Kaisha
Takayuki Nagatsuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image
Patent number
5,660,963
Issue date
Aug 26, 1997
Canon Kabushiki Kaisha
Tadashi Doujo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner and image forming method
Patent number
5,641,600
Issue date
Jun 24, 1997
Canon Kabushiki Kaisha
Takaaki Kotaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images, image forming method and...
Patent number
5,604,072
Issue date
Feb 18, 1997
Canon Kabushiki Kaisha
Makoto Unno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image
Patent number
5,578,408
Issue date
Nov 26, 1996
Canon Kabushiki Kaisha
Takaaki Kohtaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, one component-type develo...
Patent number
5,578,409
Issue date
Nov 26, 1996
Canon Kabushiki Kaisha
Takaaki Kotaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner having defined particle distribution
Patent number
5,504,272
Issue date
Apr 2, 1996
Canon Kabushiki Kaisha
Masaki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image and fixing method
Patent number
5,500,318
Issue date
Mar 19, 1996
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, forming apparatus and pro...
Patent number
5,483,327
Issue date
Jan 9, 1996
Canon Kabushiki Kaisha
Masaaki Taya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner, image forming method, surface-modified fine silica...
Patent number
5,480,755
Issue date
Jan 2, 1996
Canon Kabushiki Kaisha
Masaki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image, image forming apparatus a...
Patent number
5,439,770
Issue date
Aug 8, 1995
Canon Kabushiki Kaisha
Masaaki Taya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner
Patent number
5,422,215
Issue date
Jun 6, 1995
Canon Kabushiki Kaisha
Seiichi Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Monocomponent-type developer for developing electrostatic image and...
Patent number
5,348,829
Issue date
Sep 20, 1994
Canon Kabushiki Kaisha
Masaki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method with improved development
Patent number
5,338,894
Issue date
Aug 16, 1994
Canon Kabushiki Kaisha
Masaki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image
Patent number
5,330,871
Issue date
Jul 19, 1994
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner
Patent number
5,296,326
Issue date
Mar 22, 1994
Canon Kabushiki Kaisha
Masaaki Taya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic image and process for production...
Patent number
5,268,248
Issue date
Dec 7, 1993
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Binder resin and process for producing it
Patent number
5,219,946
Issue date
Jun 15, 1993
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images, image forming method and...
Patent number
5,212,524
Issue date
May 18, 1993
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images, image forming method and...
Patent number
5,169,738
Issue date
Dec 8, 1992
Canon Kabushiki Kaisha
Hirohide Tanikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CUTTER BLADE FOR PACKING CONTAINER AND PACKING CONTAINER
Publication number
20100320250
Publication date
Dec 23, 2010
Makoto Hideoka
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
CUTTING EDGE FOR PACKAGING CONTAINER AND PACKAGING CONTAINER HAVING...
Publication number
20100282811
Publication date
Nov 11, 2010
Kureha Corporation
Michihiro Sato
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Tonerfor developing electrostatic image
Publication number
20030211414
Publication date
Nov 13, 2003
Takaaki Kohtaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY