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Omiya, JP
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last 30 patents
Information
Patent Grant
Image processing method and apparatus for achieving tone reproducti...
Patent number
6,546,131
Issue date
Apr 8, 2003
Canon Kabushiki Kaisha
Yoshito Mizoguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus
Patent number
5,615,311
Issue date
Mar 25, 1997
Canon Kabushiki Kaisha
Hisashi Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus having tone correcting function
Patent number
5,485,191
Issue date
Jan 16, 1996
Canon Kabushiki Kaisha
Sono Gu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus which forms halftone images mixed with char...
Patent number
5,467,196
Issue date
Nov 14, 1995
Canon Kabushiki Kaisha
Satoru Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-image forming apparatus
Patent number
5,365,324
Issue date
Nov 15, 1994
Canon Kabushiki Kaisha
Sono Gu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus which changes its tone reproducing property...
Patent number
5,313,308
Issue date
May 17, 1994
Canon Kabushiki Kaisha
Takashi Hasegawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color image forming apparatus and method and apparatus for processi...
Patent number
5,245,419
Issue date
Sep 14, 1993
Canon Kabushiki Kaisha
Sono Gu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus
Patent number
5,153,609
Issue date
Oct 6, 1992
Canon Kabushiki Kaisha
Toshinori Ando
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY