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Hiroaki ASUMA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display device comprising a TFT with a barrier metal formed of a fi...
Patent number
8,947,610
Issue date
Feb 3, 2015
Japan Display Inc.
Taro Asai
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device comprising a TFT with a barrier metal...
Patent number
8,817,200
Issue date
Aug 26, 2014
Japan Display Inc.
Taro Asai
G02 - OPTICS
Information
Patent Grant
Active matrix display device
Patent number
8,284,364
Issue date
Oct 9, 2012
Hitachi Displays, Ltd.
Ichiro Yamakawa
G02 - OPTICS
Information
Patent Grant
Display device
Patent number
8,081,148
Issue date
Dec 20, 2011
Hitachi Displays, Ltd.
Hiroyuki Abe
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display device
Patent number
8,059,248
Issue date
Nov 15, 2011
Hitachi Displays, Ltd.
Takamitsu Kamada
G02 - OPTICS
Information
Patent Grant
Transparent type liquid crystal display device
Patent number
7,787,089
Issue date
Aug 31, 2010
Hitachi Displays, Ltd.
Hiroaki Asuma
G02 - OPTICS
Information
Patent Grant
Display device employing a time-division-multiplexed driver
Patent number
7,746,313
Issue date
Jun 29, 2010
Hitachi Displays, Ltd.
Kazutaka Goto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display device with divided display regions
Patent number
7,701,431
Issue date
Apr 20, 2010
Hitachi, Ltd.
Hiroaki Asuma
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display device
Patent number
7,110,068
Issue date
Sep 19, 2006
Hitachi Displays, Ltd.
Hiroaki Asuma
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device with columnar spacer
Patent number
6,642,988
Issue date
Nov 4, 2003
Hitachi, Ltd.
Shigeru Matsuyama
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device having a spacer
Patent number
6,433,852
Issue date
Aug 13, 2002
Hitachi, Ltd.
Hidehiro Sonoda
G02 - OPTICS
Information
Patent Grant
Inplane switching type liquid crystal display with alignment layer...
Patent number
6,411,360
Issue date
Jun 25, 2002
Hitachi, Ltd.
Shigeru Matsuyama
G02 - OPTICS
Information
Patent Grant
Active matrix type liquid crystal display apparatus
Patent number
6,392,732
Issue date
May 21, 2002
Hitachi, Ltd.
Masahito Oh-e
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device with spacer material covered by an or...
Patent number
6,337,728
Issue date
Jan 8, 2002
Hitachi, Ltd.
Keiko Inoue
G02 - OPTICS
Information
Patent Grant
Liquid crystal display panel wherein end-sealing material contains...
Patent number
6,275,279
Issue date
Aug 14, 2001
Hitachi, Ltd.
Hiroaki Asuma
G02 - OPTICS
Information
Patent Grant
Active matrix type liquid crystal display apparatus with a shieldin...
Patent number
6,100,956
Issue date
Aug 8, 2000
Hitachi, Ltd.
Masahito Oh-e
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device with wide viewing angle characteristi...
Patent number
6,040,887
Issue date
Mar 21, 2000
Hitachi, Ltd.
Shigeru Matsuyama
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device with wide viewing angle characteristi...
Patent number
5,831,701
Issue date
Nov 3, 1998
Hitachi, Ltd.
Shigeru Matsuyama
G02 - OPTICS
Information
Patent Grant
Liquid crystal display apparatus in which plural common electrodes...
Patent number
5,805,247
Issue date
Sep 8, 1998
Hitachi, Ltd.
Masahito Oh-e
G02 - OPTICS
Information
Patent Grant
Color liquid crystal display device composed of color filter with a...
Patent number
5,633,739
Issue date
May 27, 1997
Hitachi, Ltd.
Shigeru Matsuyama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid crystal display having patterned insulating and semiconducto...
Patent number
5,541,748
Issue date
Jul 30, 1996
Hitachi, Ltd.
Kikuo Ono
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
DISPLAY DEVICE
Publication number
20160349564
Publication date
Dec 1, 2016
Japan Display Inc.
Osamu NAGASHIMA
G02 - OPTICS
Information
Patent Application
DISPLAY DEVICE COMPRISING A TFT WITH A BARRIER METAL FORMED OF A FI...
Publication number
20140340606
Publication date
Nov 20, 2014
Taro ASAI
G02 - OPTICS
Information
Patent Application
DISPLAY DEVICE
Publication number
20110199551
Publication date
Aug 18, 2011
Hitachi Displays, Ltd.
Taro Asai
G02 - OPTICS
Information
Patent Application
ACTIVE MATRIX DISPLAY DEVICE
Publication number
20100271582
Publication date
Oct 28, 2010
Ichiro YAMAKAWA
G02 - OPTICS
Information
Patent Application
TRANSPARENT TYPE LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20100079713
Publication date
Apr 1, 2010
Hitachi Displays, Ltd.
Hiroaki Asuma
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20100053531
Publication date
Mar 4, 2010
Hitachi Displays, Ltd.
Takamitsu KAMADA
G02 - OPTICS
Information
Patent Application
Display Device
Publication number
20090103037
Publication date
Apr 23, 2009
Hiroyuki Abe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20090033857
Publication date
Feb 5, 2009
Hitachi Displays, Ltd.
Hiroyuki ABE
G02 - OPTICS
Information
Patent Application
Display Device
Publication number
20080129674
Publication date
Jun 5, 2008
Hiroyuki Abe
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Display device
Publication number
20070132703
Publication date
Jun 14, 2007
Hiroko Sehata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Display device with divided display regions
Publication number
20060176291
Publication date
Aug 10, 2006
Hiroaki Asuma
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Display device
Publication number
20050200582
Publication date
Sep 15, 2005
Kazutaka Goto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Liquid crystal display device
Publication number
20050190315
Publication date
Sep 1, 2005
Hiroaki Asuma
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20020093617
Publication date
Jul 18, 2002
HITACHI LTD.
Shigeru Matsuyama
G02 - OPTICS
Information
Patent Application
Display device
Publication number
20020070912
Publication date
Jun 13, 2002
Hiroaki Asuma
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS