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Daisuke Koyama
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Control device, display device, and display device control method
Patent number
9,697,758
Issue date
Jul 4, 2017
SHARP KABUSHIKI KAISHA
Tatsuo Watanabe
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Luminance control device, display apparatus using the same, luminan...
Patent number
8,912,998
Issue date
Dec 16, 2014
Sharp Kabushiki Kaisha
Daisuke Koyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image processing device, image processing method, image processing...
Patent number
8,736,766
Issue date
May 27, 2014
Sharp Kabushiki Kaisha
Daisuke Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color adjustment circuit
Patent number
8,466,930
Issue date
Jun 18, 2013
Sharp Kabushiki Kaisha
Koji Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal processing circuit, display device, mobile terminal, a...
Patent number
8,416,257
Issue date
Apr 9, 2013
Sharp Kabushiki Kaisha
Osamu Mamba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal processing device and video display device
Patent number
8,351,734
Issue date
Jan 8, 2013
Sharp Kabushiki Kaisha
Koji Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE DISPLAY APPARATUS, IMAGE DISPLAY METHOD, AND PROGRAM
Publication number
20150325176
Publication date
Nov 12, 2015
Sharp Kabushiki Kaisha
Daisuke KOYAMA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
CONTROL DEVICE, DISPLAY DEVICE, AND DISPLAY DEVICE CONTROL METHOD
Publication number
20150287352
Publication date
Oct 8, 2015
Sharp Kabushiki Kaisha
Tatsuo Watanabe
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING...
Publication number
20130182185
Publication date
Jul 18, 2013
Sharp Kabushiki Kaisha
Daisuke Koyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LUMINANCE CONTROL DEVICE, DISPLAY APPARATUS USING THE SAME, LUMINAN...
Publication number
20120062622
Publication date
Mar 15, 2012
Daisuke Koyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
SPECIFIED COLOR AREA DEMARCATION CIRCUIT, DETECTION CIRCUIT, AND IM...
Publication number
20110216967
Publication date
Sep 8, 2011
Yasufumi Hagiwara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEO SIGNAL PROCESSING DEVICE AND VIDEO DISPLAY DEVICE
Publication number
20110115982
Publication date
May 19, 2011
Koji Otsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEO SIGNAL PROCESSING CIRCUIT, DISPLAY DEVICE, MOBILE TERMINAL, A...
Publication number
20110080524
Publication date
Apr 7, 2011
Osamu Mamba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COLOR ADJUSTMENT CIRCUIT
Publication number
20100277500
Publication date
Nov 4, 2010
Koji Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE DISPLAY
Publication number
20100214325
Publication date
Aug 26, 2010
Daisuke Koyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS