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Takao Yorifuji
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Higashiyamato, JP
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last 30 patents
Information
Patent Grant
Photosensitive drum casing for an electronic copying machine
Patent number
D424608
Issue date
May 9, 2000
Casio Computer Co., Ltd.
Takao Yorifuji
D18 - Printing and office machinery
Information
Patent Grant
Developing device, image forming unit and color image forming appar...
Patent number
6,032,012
Issue date
Feb 29, 2000
Casio Computer Co., Ltd.
Takeo Hirono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact charging member, image forming unit including the contact c...
Patent number
5,999,776
Issue date
Dec 7, 1999
Casio Computer Co., Ltd.
Tetsuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming unit with an improved pha...
Patent number
5,970,286
Issue date
Oct 19, 1999
Casio ComputerCo., Ltd.
Toshihiko Numazu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus for color image forming
Patent number
5,808,649
Issue date
Sep 15, 1998
Casio Computer Co., Ltd.
Tatsumi Shimanari
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner collector and image forming unit having toner collector bag
Patent number
5,781,841
Issue date
Jul 14, 1998
Casio Computer Co., Ltd.
Moriyuki Kouroku
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer restoring unit in an image forming apparatus
Patent number
5,128,724
Issue date
Jul 7, 1992
Casio Computer Co., Ltd.
Mitsuo Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY