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Tetsuhito Kuwashima
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Yokohama, JP
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last 30 patents
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Patent Grant
Magnetic developer and recognition method of magnetic-ink character
Patent number
5,952,138
Issue date
Sep 14, 1999
Canon Kabushiki Kaisha
Tetsuhito Kuwashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Images forming apparatus and developer for developing electrostatic...
Patent number
5,802,428
Issue date
Sep 1, 1998
Canon Kabushiki Kaisha
Manabu Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and developer for developing electrostatic...
Patent number
5,534,981
Issue date
Jul 9, 1996
Canon Kabushiki Kaisha
Manabu Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,470,686
Issue date
Nov 28, 1995
Canon Kabushiki Kaisha
Hiroyuki Suematsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images, detachable apparatus, im...
Patent number
5,422,707
Issue date
Jun 6, 1995
Canon Kabushiki Kaisha
Tsuyoshi Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic imaging apparatus and facsimile apparatus employing t...
Patent number
5,333,059
Issue date
Jul 26, 1994
Canon Kabushiki Kaisha
Yoshihiko Hyosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus apparatus unit facsimile apparatus and deve...
Patent number
5,307,122
Issue date
Apr 26, 1994
Canon Kabushiki Kaisha
Manabu Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic images
Patent number
5,217,836
Issue date
Jun 8, 1993
Canon Kabushiki Kaisha
Tsuyoshi Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner having crosslinkages and method of fixing same
Patent number
5,180,649
Issue date
Jan 19, 1993
Canon Kabushiki Kaisha
Tsutomu Kukimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having developer carrying member with surfa...
Patent number
5,164,780
Issue date
Nov 17, 1992
Canon Kabushiki Kaisha
Manabu Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,153,377
Issue date
Oct 6, 1992
Canon Kabushiki Kaisha
Tetsuhito Kuwashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
One component developer for developing electrostatic image and imag...
Patent number
5,141,833
Issue date
Aug 25, 1992
Canon Kabushiki Kaisha
Naoto Kitamori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developing toner and process for its production...
Patent number
5,126,224
Issue date
Jun 30, 1992
Canon Kabushiki Kaisha
Yoshihiko Hyosu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
One component developer for developing electrostatic image and imag...
Patent number
5,041,351
Issue date
Aug 20, 1991
Canon Kabushiki Kaisha
Naoto Kitamori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY