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Ryo Hasegawa
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image displaying method, image displaying device, and contrast-adju...
Patent number
8,120,560
Issue date
Feb 21, 2012
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image display apparatus, image signal processing circuit used there...
Patent number
7,916,158
Issue date
Mar 29, 2011
Hitachi, Ltd.
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using same
Patent number
7,907,134
Issue date
Mar 15, 2011
Hitachi, Ltd.
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image displaying method, image displaying device, and contrast-adju...
Patent number
7,898,557
Issue date
Mar 1, 2011
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image displaying method, image displaying device, and contrast-adju...
Patent number
7,876,301
Issue date
Jan 25, 2011
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using same
Patent number
7,760,213
Issue date
Jul 20, 2010
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image displaying method, image displaying device, and contrast-adju...
Patent number
7,719,551
Issue date
May 18, 2010
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image processing apparatus
Patent number
7,719,619
Issue date
May 18, 2010
Hitachi, Ltd.
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using the...
Patent number
7,701,475
Issue date
Apr 20, 2010
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image display method and apparatus
Patent number
7,609,282
Issue date
Oct 27, 2009
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display system and display panel and signal processing apparatus fo...
Patent number
7,436,415
Issue date
Oct 14, 2008
Hitachi, Ltd.
Haruki Takata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Video display apparatus having contour correction function
Patent number
7,430,021
Issue date
Sep 30, 2008
Hitachi, Ltd.
Masahiro Nako
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus
Patent number
7,369,183
Issue date
May 6, 2008
Hitachi, Ltd.
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus, display unit driver and image display meth...
Patent number
7,333,081
Issue date
Feb 19, 2008
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Video signal processing circuit, video display apparatus, and video...
Patent number
7,265,795
Issue date
Sep 4, 2007
Hitachi, Ltd.
Toshiaki Ohyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image displaying method, image displaying device, and contrast-adju...
Patent number
7,227,559
Issue date
Jun 5, 2007
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using same
Patent number
7,227,543
Issue date
Jun 5, 2007
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using same
Patent number
7,151,535
Issue date
Dec 19, 2006
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Contrast adjusting circuitry and video display apparatus using same
Patent number
6,982,704
Issue date
Jan 3, 2006
Hitachi, Ltd.
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image display device and method of displaying images with static im...
Patent number
6,879,112
Issue date
Apr 12, 2005
Hitachi, Ltd.
Hidenao Kubota
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Automatic clock phase adjusting device and picture display employin...
Patent number
6,340,993
Issue date
Jan 22, 2002
Hitachi, Ltd.
Ryo Hasegawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image display apparatus having a circuit for magnifying and process...
Patent number
6,151,079
Issue date
Nov 21, 2000
Hitachi, Ltd.
Tatsuo Nagata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video signal processing apparatus with means for magnifying and pro...
Patent number
5,953,075
Issue date
Sep 14, 1999
Hitachi, Ltd.
Tatsuo Nagata
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
IMAGE DISPLAYING METHOD, IMAGE DISPLAYING DEVICE, AND CONTRAST-ADJU...
Publication number
20100177248
Publication date
Jul 15, 2010
Hitachi, Ltd
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
CONTRAST ADJUSTING CIRCUITRY AND VIDEO DISPLAY APPARATUS USING SAME
Publication number
20090262245
Publication date
Oct 22, 2009
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTRAST ADJUSTING CIRCUITRY AND VIDEO DISPLAY APPARATUS USING SAME
Publication number
20090262259
Publication date
Oct 22, 2009
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE DISPLAYING METHOD, IMAGE DISPLAYING DEVICE, AND CONTRAST-ADJU...
Publication number
20090153596
Publication date
Jun 18, 2009
Hitachi, Ltd
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
IMAGE DISPLAYING METHOD, IMAGE DISPLAYING DEVICE, AND CONTRAST-ADJU...
Publication number
20090059083
Publication date
Mar 5, 2009
Hitachi, Ltd
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Image Displaying Method, Image Displaying Device, and Contrast-Adju...
Publication number
20070216816
Publication date
Sep 20, 2007
Hitachi, Ltd
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Contrast adjusting circuitry and video display apparatus using same
Publication number
20070115303
Publication date
May 24, 2007
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing apparatus
Publication number
20060256240
Publication date
Nov 16, 2006
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image display apparatus, image signal processing circuit used there...
Publication number
20060245017
Publication date
Nov 2, 2006
Hiroshi Aoki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image display apparatus
Publication number
20060061842
Publication date
Mar 23, 2006
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contrast adjusting circuitry and video display apparatus using same
Publication number
20060038760
Publication date
Feb 23, 2006
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video display apparatus
Publication number
20050285977
Publication date
Dec 29, 2005
Masahiro Nako
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image display method and apparatus
Publication number
20050190300
Publication date
Sep 1, 2005
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contrast adjusting circuitry and video display apparatus using same
Publication number
20050184981
Publication date
Aug 25, 2005
Hitachi, Ltd
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Display system and display panel and signal processing apparatus fo...
Publication number
20050057487
Publication date
Mar 17, 2005
Haruki Takata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image display apparatus, display unit driver and image display meth...
Publication number
20050057486
Publication date
Mar 17, 2005
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE DISPLAY DEVICE AND METHOD OF DISPLAYING IMAGES WITH STATIC IM...
Publication number
20040251842
Publication date
Dec 16, 2004
Hitachi, Ltd.
Hidenao Kubota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video signal processing circuit, video display apparatus, and video...
Publication number
20040246537
Publication date
Dec 9, 2004
Hitachi, Ltd
Toshiaki Ohyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image displaying method, image displaying device, and contrast adju...
Publication number
20040036703
Publication date
Feb 26, 2004
Hitachi, Ltd
Hiroshi Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Contrast adjusting circuitry and video display apparatus using same
Publication number
20030189558
Publication date
Oct 9, 2003
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE