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Masato Yamada
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Katsuta, JP
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last 30 patents
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Patent Grant
Image formation apparatus having tuck prevention control means
Patent number
5,291,228
Issue date
Mar 1, 1994
Hitachi, Ltd.
Nagata Tetsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Corona deterioration and moisture compensation for transfer unit in...
Patent number
5,291,253
Issue date
Mar 1, 1994
Hitachi, Ltd.
Takao Kumasaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Xerographic printing machine with an improved transfer unit
Patent number
5,182,605
Issue date
Jan 26, 1993
Hitachi Koki Co. Ltd.
Masato Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer unit for xerographic printing machine with constant ventil...
Patent number
5,179,412
Issue date
Jan 12, 1993
Hitachi Koki Co., Ltd.
Masato Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thin layer coated endless belt of an electrophotographic printing m...
Patent number
5,148,224
Issue date
Sep 15, 1992
Hitachi Koki Co., Ltd.
Masato Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash fusing apparatus for reducing occurrence of spots on recordin...
Patent number
4,821,052
Issue date
Apr 11, 1989
Hitachi, Ltd.
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic developing device having a shaped doctor board
Patent number
4,796,561
Issue date
Jan 10, 1989
Hitachi Koki Company, Limited
Yasuo Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY