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Masatoshi Wakagi
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display device
Patent number
10,823,992
Issue date
Nov 3, 2020
Japan Display Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
10,466,519
Issue date
Nov 5, 2019
Japan Dlsplay Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
10,018,859
Issue date
Jul 10, 2018
Japan Display Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Semiconductor device, method for manufacturing the same, and power...
Patent number
9,991,336
Issue date
Jun 5, 2018
Hitachi Power Semiconductor Device Ltd.
Masatoshi Wakagi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Liquid crystal display device
Patent number
9,715,132
Issue date
Jul 25, 2017
Japan Display Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
9,097,922
Issue date
Aug 4, 2015
Japan Display Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
8,885,137
Issue date
Nov 11, 2014
Japan Display Inc.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Semiconductor device, manufacturing method thereof, and display app...
Patent number
8,344,382
Issue date
Jan 1, 2013
Hitachi, Ltd.
Junichi Hanna
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device
Patent number
8,309,960
Issue date
Nov 13, 2012
Hitachi Displays, Ltd.
Yoshiaki Toyota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electro-luminescent display apparatus
Patent number
8,093,585
Issue date
Jan 10, 2012
Hitachi, Ltd.
Etsuko Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor and organic electroluminescence display using...
Patent number
8,026,535
Issue date
Sep 27, 2011
Hitachi, Ltd.
Masatoshi Wakagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shift register circuit and display apparatus using the same
Patent number
7,872,629
Issue date
Jan 18, 2011
Hitachi Displays, Ltd.
Susumu Edo
G11 - INFORMATION STORAGE
Information
Patent Grant
Liquid crystal display device
Patent number
7,738,069
Issue date
Jun 15, 2010
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Thin film transistor used as a switching element in an active matri...
Patent number
7,655,947
Issue date
Feb 2, 2010
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display apparatus with control of LCD and backlight...
Patent number
7,595,784
Issue date
Sep 29, 2009
Hitachi Displays, Ltd.
Tsunenori Yamamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display device
Patent number
7,542,121
Issue date
Jun 2, 2009
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Electrode substrate, thin-film transistor, display and its producti...
Patent number
7,521,716
Issue date
Apr 21, 2009
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor, display device and their production
Patent number
7,407,846
Issue date
Aug 5, 2008
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode substrate, thin film transistor, display device and their...
Patent number
7,394,095
Issue date
Jul 1, 2008
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display device
Patent number
7,382,432
Issue date
Jun 3, 2008
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Grant
Thin film transistor, display device and their production
Patent number
7,202,496
Issue date
Apr 10, 2007
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Active matrix display device
Patent number
7,145,176
Issue date
Dec 5, 2006
Hitachi, Ltd.
Masahiro Kawasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor, liquid crystal display and manufacturing meth...
Patent number
7,112,500
Issue date
Sep 26, 2006
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode substrate, thin film transistor, display device and their...
Patent number
7,102,155
Issue date
Sep 5, 2006
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display apparatus
Patent number
7,045,816
Issue date
May 16, 2006
Hitachi, Ltd.
Shingo Ishihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor, display device and their production
Patent number
6,828,582
Issue date
Dec 7, 2004
Hitachi Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display device with spacers controlling thickness of...
Patent number
6,757,044
Issue date
Jun 29, 2004
Hitachi, Ltd.
Yuka Utsumi
G02 - OPTICS
Information
Patent Grant
Liquid crystal display apparatus having superimposed portion of com...
Patent number
6,704,085
Issue date
Mar 9, 2004
Hitachi, Ltd.
Etsuko Nishimura
G02 - OPTICS
Information
Patent Grant
Active matrix type liquid crystal display apparatus with silicon ox...
Patent number
6,600,524
Issue date
Jul 29, 2003
Hitachi, Ltd.
Masahiko Ando
G02 - OPTICS
Information
Patent Grant
IC card apparatus having patterned insulating layer formed between...
Patent number
6,593,977
Issue date
Jul 15, 2003
Hitachi, Ltd.
Shingo Ishihara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20200012133
Publication date
Jan 9, 2020
Japan Display Inc.
Kazuhiko YANAGAWA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20180252953
Publication date
Sep 6, 2018
Japan Display Inc.
Kazuhiko YANAGAWA
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING THE SAME, AND POWER...
Publication number
20180090564
Publication date
Mar 29, 2018
Hitachi Power Semiconductor Device, Ltd.
Masatoshi WAKAGI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIODE AND POWER CONVERTOR USING THE SAME
Publication number
20170317075
Publication date
Nov 2, 2017
Hitachi Power Semiconductor Device, Ltd.
Taiga ARAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20170269414
Publication date
Sep 21, 2017
Japan Display Inc.
Kazuhiko YANAGAWA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20150131014
Publication date
May 14, 2015
Japan Display Inc.
Kazuhiko YANAGAWA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20150077689
Publication date
Mar 19, 2015
Japan Display Inc.
Kazuhiko YANAGAWA
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR DEVICE, MANUFACTURING METHOD THEREOF, AND DISPLAY APP...
Publication number
20110108841
Publication date
May 12, 2011
Junichi Hanna
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid crystal display device
Publication number
20100214524
Publication date
Aug 26, 2010
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
DISPLAY DEVICE
Publication number
20100200858
Publication date
Aug 12, 2010
Hitachi Displays, Ltd.
Yoshiaki Toyota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTRO-LUMINESCENT DISPLAY APPARATUS
Publication number
20090146930
Publication date
Jun 11, 2009
Etsuko NISHIMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THIN FILM TRANSISTOR AND ORGANIC ELECTROLUMINESCENCE DISPLAY USING...
Publication number
20080258148
Publication date
Oct 23, 2008
Masatoshi WAKAGI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid crystal display device
Publication number
20080225223
Publication date
Sep 18, 2008
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20080084527
Publication date
Apr 10, 2008
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20080074604
Publication date
Mar 27, 2008
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
Thin Film Transistor, Display Device and Their Production
Publication number
20070126003
Publication date
Jun 7, 2007
Hitachi, Ltd
Masahiko ANDO
B82 - NANO-TECHNOLOGY
Information
Patent Application
Shift register circuit and display apparatus using the same
Publication number
20070070020
Publication date
Mar 29, 2007
Susumu Edo
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Thin film transistor, liquid crystal display and manufacturing meth...
Publication number
20060275994
Publication date
Dec 7, 2006
Hitachi, Ltd
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electrode substrate, thin film transistor, display device and their...
Publication number
20060267006
Publication date
Nov 30, 2006
HITACHI, LTD.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electrode substrate, thin-film transistor, display and its producti...
Publication number
20060261334
Publication date
Nov 23, 2006
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid crystal display device
Publication number
20060209244
Publication date
Sep 21, 2006
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
Liquid crystal display apparatus
Publication number
20050231457
Publication date
Oct 20, 2005
Tsunenori Yamamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electrode substrate, thin film transistor, display device and their...
Publication number
20050051770
Publication date
Mar 10, 2005
Hitachi, Ltd.
Masahiko Ando
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Thin film transistor, display device and their production
Publication number
20050051780
Publication date
Mar 10, 2005
Hitachi, Ltd.
Masahiko Ando
B82 - NANO-TECHNOLOGY
Information
Patent Application
Liquid crystal display device
Publication number
20040233377
Publication date
Nov 25, 2004
Yuka Utsumi
G02 - OPTICS
Information
Patent Application
Electrophoretic display
Publication number
20040135763
Publication date
Jul 15, 2004
Hiroki Kaneko
G02 - OPTICS
Information
Patent Application
Liquid crystal display apparatus
Publication number
20040104461
Publication date
Jun 3, 2004
Shingo Ishihara
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20040085506
Publication date
May 6, 2004
Hitachi, Ltd.
Kazuhiko Yanagawa
G02 - OPTICS
Information
Patent Application
Liquid crystal display device with spacers controlling thickness of...
Publication number
20030002005
Publication date
Jan 2, 2003
Yuka Utsumi
G02 - OPTICS
Information
Patent Application
Liquid crystal display apparatus
Publication number
20020149729
Publication date
Oct 17, 2002
Etsuko Nishimura
G02 - OPTICS