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Akihiro Ueyama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Video signal processing apparatus, enhancement gain generating meth...
Patent number
8,634,027
Issue date
Jan 21, 2014
Sony Corporation
Akihiro Ueyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color gamut component analysis apparatus, method of analyzing color...
Patent number
8,139,079
Issue date
Mar 20, 2012
Sony Corporation
Akihiro Ueyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Signal processor and signal processing method
Patent number
6,674,486
Issue date
Jan 6, 2004
Sony Corporation
Akihiro Ueyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scanning speed modulating circuit for picture display
Patent number
6,549,244
Issue date
Apr 15, 2003
Sony Corporation
Akihiro Ueyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bi-directional scan circuit
Patent number
5,349,274
Issue date
Sep 20, 1994
Sony Corporation
Junzo Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bi-directional scan circuit
Patent number
5,341,072
Issue date
Aug 23, 1994
Sony Corporation
Junzo Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High voltage regulating circuit
Patent number
5,331,532
Issue date
Jul 19, 1994
Sony Corporation
Kenji Iwai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
VIDEO SIGNAL PROCESSING APPARATUS, ENHANCEMENT GAIN GENERATING METH...
Publication number
20110037901
Publication date
Feb 17, 2011
SONY CORPORATION
Akihiro Ueyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COLOR GAMUT COMPONENT ANALYSIS APPARATUS, METHOD OF ANALYZING COLOR...
Publication number
20080297531
Publication date
Dec 4, 2008
SONY CORPORATION
Akihiro UEYAMA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Signal processor and signal processing method
Publication number
20010048485
Publication date
Dec 6, 2001
Sony Corporation
Akihiro Ueyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE