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Kaoru Imao
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Interpolation method and color correction method using interpolation
Patent number
RE37940
Issue date
Dec 24, 2002
Kaoru Imao
358 - Facsimile and static presentation processing
Information
Patent Grant
Background noise removing apparatus and method applicable to color...
Patent number
5,689,590
Issue date
Nov 18, 1997
Ricoh Company, Ltd.
Hisao Shirasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color correction system for transforming color image from one color...
Patent number
5,659,406
Issue date
Aug 19, 1997
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image region segmentation system
Patent number
5,617,485
Issue date
Apr 1, 1997
Ricoh Company, Ltd.
Satoshi Ohuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color correction system for transforming color image from one color...
Patent number
5,541,742
Issue date
Jul 30, 1996
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color correction system for transforming color image from one color...
Patent number
5,436,739
Issue date
Jul 25, 1995
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Size magnification processing unit for processing digital image in...
Patent number
5,418,899
Issue date
May 23, 1995
Ricoh Company, Ltd.
Shin Aoki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Interpolation method and color correction method using interpolation
Patent number
5,311,332
Issue date
May 10, 1994
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line region segmentation method
Patent number
5,148,495
Issue date
Sep 15, 1992
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image separator for color image processing
Patent number
5,134,666
Issue date
Jul 28, 1992
Ricoh Company, Ltd.
Kaoru Imao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for the compensation of color detection
Patent number
4,970,584
Issue date
Nov 13, 1990
Ricoh Company, Ltd.
Yojiro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of describing image information
Patent number
4,944,023
Issue date
Jul 24, 1990
Ricoh Company, Ltd.
Kaoru Imao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Gradation processing method for color images
Patent number
4,819,193
Issue date
Apr 4, 1989
Ricoh Company, Ltd.
Kaoru Imao
H04 - ELECTRIC COMMUNICATION TECHNIQUE