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Masatsugu Nakamura
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Koshiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming electrophotography apparatus setting conditions for p...
Patent number
7,675,649
Issue date
Mar 9, 2010
Sharp Kabushiki Kaisha
Hiroshi Kawano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for forming an image with variable processing...
Patent number
7,676,167
Issue date
Mar 9, 2010
Sharp Kabushiki Kaisha
Tohru Yoshioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image processing device for image region discrimination
Patent number
6,965,696
Issue date
Nov 15, 2005
Sharp Kabushiki Kaisha
Mitsuru Tokuyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing device
Patent number
6,728,425
Issue date
Apr 27, 2004
Sharp Kabushiki Kaisha
Mitsuru Tokuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming device
Patent number
6,477,282
Issue date
Nov 5, 2002
Sharp Kabushiki Kaisha
Masaaki Ohtsuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus
Patent number
6,438,274
Issue date
Aug 20, 2002
Sharp Kabushiki Kaisha
Mitsuru Tokuyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing apparatus
Patent number
6,324,309
Issue date
Nov 27, 2001
Sharp Kabushiki Kaisha
Mitsuru Tokuyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image-forming apparatus which forms images by using a developer
Patent number
6,311,027
Issue date
Oct 30, 2001
Sharp Kabushiki Kaisha
Hirofumi Sakita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Area judging apparatus
Patent number
6,266,156
Issue date
Jul 24, 2001
Sharp Kabushiki Kaisha
Mihoko Tanimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming device with residual charge removal control
Patent number
5,794,097
Issue date
Aug 11, 1998
Sharp Kabushiki Kaisha
Kouji Shinkawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image processing device
Patent number
5,748,794
Issue date
May 5, 1998
Sharp Kabushiki Kaisha
Hiroshi Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing device
Patent number
5,515,180
Issue date
May 7, 1996
Sharp Kabushiki Kaisha
Hiroshi Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrophotographic apparatus
Patent number
5,032,870
Issue date
Jul 16, 1991
Sharp Kabushiki Kaisha
Yuhi Yui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Heat control for photoreceptor
Patent number
5,019,862
Issue date
May 28, 1991
Sharp Kabushiki Kaisha
Masatsugu Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor comprising amorphous silicon laye...
Patent number
4,910,111
Issue date
Mar 20, 1990
Sharp Kabushiki Kaisha
Kazuki Wakita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive/negative image forming method and apparatus for electropho...
Patent number
4,843,423
Issue date
Jun 27, 1989
Sharp Kabushiki Kaisha
Masatsugu Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic system
Patent number
4,757,345
Issue date
Jul 12, 1988
Sharp Kabushiki Kaisha
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Doped amorphous silicon photoconductive device having a protective...
Patent number
4,683,186
Issue date
Jul 28, 1987
Sharp Kabushiki Kaisha
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductive device having photoconductive layer containing hydr...
Patent number
4,632,894
Issue date
Dec 30, 1986
Sharp Kabushiki Kaisha
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SILICON WAFER, SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING SILICON W...
Publication number
20130098439
Publication date
Apr 25, 2013
Sharp Kabushiki Kaisha
Akihide Takaki
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Apparatus and method for forming an image
Publication number
20070237535
Publication date
Oct 11, 2007
Sharp Kabushiki Kaisha
Tohru Yoshioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20070058199
Publication date
Mar 15, 2007
Sharp Kabushiki Kaisha
Hiroshi Kawano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY