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Nobuaki Fukasawa
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Hitachi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
7,962,055
Issue date
Jun 14, 2011
Ricoh Company, Ltd.
Yasuo Takuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
7,558,495
Issue date
Jul 7, 2009
Brother Kogyo Kabushiki Kaisha
Takashi Ohmiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus and method of detecting the detection chara...
Patent number
7,215,896
Issue date
May 8, 2007
Ricoh Printing Systems, Ltd.
Shintaro Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic device
Patent number
6,567,632
Issue date
May 20, 2003
Hitachi, Ltd.
Yuuichi Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus
Patent number
6,345,160
Issue date
Feb 5, 2002
Hitachi, Ltd.
Kazuyoshi Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Double-surface printing apparatus
Patent number
6,330,425
Issue date
Dec 11, 2001
Hitachi, Ltd.
Yoshio Ohuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electro-photographic apparatus having transfer bias control
Patent number
5,761,568
Issue date
Jun 2, 1998
Hitachi, Ltd.
Hideyuki Haragakiuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image control apparatus having photosensitive body and interm...
Patent number
5,648,809
Issue date
Jul 15, 1997
Hitachi, Ltd.
Takeshi Kato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner transferring device
Patent number
5,621,504
Issue date
Apr 15, 1997
Hitachi, Ltd.
Kazuhiro Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and electrophotographic method
Patent number
5,555,074
Issue date
Sep 10, 1996
Hitachi, Ltd.
Hideyuki Haragakiuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color electrophotographic device with developer stirring
Patent number
5,530,527
Issue date
Jun 25, 1996
Hitachi, Ltd.
Nobuaki Fukasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color electrophotographic device with developer stirring
Patent number
5,434,652
Issue date
Jul 18, 1995
Hitachi, Ltd.
Nobuaki Fukasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printer having a thermal head
Patent number
4,652,155
Issue date
Mar 24, 1987
Hitachi, Ltd.
Akiyoshi Hakoyama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus
Publication number
20070286633
Publication date
Dec 13, 2007
RICOH PRINTING SYSTEMS, LTD.
Yasuo Takuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20070002383
Publication date
Jan 4, 2007
BROTHER KOGYO KABUSHIKI KAISHA
Takashi Ohmiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus and method of detecting the detection chara...
Publication number
20050025510
Publication date
Feb 3, 2005
Shintaro Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic device
Publication number
20020081129
Publication date
Jun 27, 2002
Yuuichi Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY