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Kenkichi Hara
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Gunma, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mg-based ferrite, an electrophotographic development carrier contai...
Patent number
7,470,498
Issue date
Dec 30, 2008
Kanto Denka Kogyo Co., Ltd.
Hidehiko Iinuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making carrier for use in electrophotographic developers
Patent number
4,751,164
Issue date
Jun 14, 1988
Kanto Denka Kogyo Co., Ltd.
Mitsuhiro Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for use in electrophotographic developers
Patent number
4,732,835
Issue date
Mar 22, 1988
Kanto Denka Kogyo Co., Ltd.
Mitsuhiro Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component resin system of acrylic and diene polymers for coatin...
Patent number
4,503,136
Issue date
Mar 5, 1985
Kanto Denka Kogyo Co., Ltd.
Kenkichi Hara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin-coated carrier for use in two-component electrophotographic d...
Patent number
4,486,502
Issue date
Dec 4, 1984
Kanto Denka Kogyo Co. Ltd.
Kenkichi Hara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Mg-based ferrite, an electrophotographic development carrier contai...
Publication number
20060199093
Publication date
Sep 7, 2006
Kanto Denka Kogyo Co. Ltd.
Hidehiko Iinuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY