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Katsumi Matsumoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Display device
    • Patent number 9,239,487
    • Issue date Jan 19, 2016
    • Pixtronix, Inc.
    • Takeomi Morita
    • G02 - OPTICS
  • Information Patent Grant

    MEMS display pixel control circuits and methods
    • Patent number 9,235,047
    • Issue date Jan 12, 2016
    • Pixtronix, Inc.
    • Mitsuhide Miyamoto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Display device with tapered light reflecting layer and manufacturin...
    • Patent number 9,134,529
    • Issue date Sep 15, 2015
    • Pixronix, Inc.
    • Daisuke Sonoda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device and method for manufacturing the display device
    • Patent number 9,128,286
    • Issue date Sep 8, 2015
    • Pixtronix, Inc.
    • Kouhei Takahashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device and method of manufacturing the display device
    • Patent number 8,958,138
    • Issue date Feb 17, 2015
    • Pixtronix, Inc.
    • Hidekazu Nitta
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Display device
    • Patent number 8,941,909
    • Issue date Jan 27, 2015
    • Pixtronix, Inc.
    • Takeomi Morita
    • G02 - OPTICS
  • Information Patent Grant

    Display device
    • Patent number 8,599,462
    • Issue date Dec 3, 2013
    • Pixtronix, Inc.
    • Takeomi Morita
    • G02 - OPTICS
  • Information Patent Grant

    Display device
    • Patent number 8,456,401
    • Issue date Jun 4, 2013
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • G02 - OPTICS
  • Information Patent Grant

    Liquid crystal display device
    • Patent number 8,384,704
    • Issue date Feb 26, 2013
    • Hitachi Displays, Ltd.
    • Masahiro Maki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Method for driving a liquid crystal display device
    • Patent number 8,284,144
    • Issue date Oct 9, 2012
    • Hitachi Displays, Ltd.
    • Toshiki Misonou
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 8,222,645
    • Issue date Jul 17, 2012
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Booster circuit and display device
    • Patent number 8,212,801
    • Issue date Jul 3, 2012
    • Hitachi Displays, Ltd.
    • Toshio Miyazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Display device
    • Patent number 8,203,518
    • Issue date Jun 19, 2012
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 8,169,393
    • Issue date May 1, 2012
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 8,164,093
    • Issue date Apr 24, 2012
    • Hitachi Displays, Ltd.
    • Naohisa Ando
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 8,124,980
    • Issue date Feb 28, 2012
    • Hitachi Displays, Ltd.
    • Takashi Sakai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Display device
    • Patent number 8,102,353
    • Issue date Jan 24, 2012
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 8,059,081
    • Issue date Nov 15, 2011
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Low power display device
    • Patent number 8,049,702
    • Issue date Nov 1, 2011
    • Hitachi Displays, Ltd.
    • Toshio Miyazawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Image display device
    • Patent number 8,013,827
    • Issue date Sep 6, 2011
    • Hitachi Displays, Ltd.
    • Hiroshi Kageyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Image display device
    • Patent number 7,948,461
    • Issue date May 24, 2011
    • Hitachi Displays, Ltd.
    • Hiroshi Kageyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 7,839,373
    • Issue date Nov 23, 2010
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device
    • Patent number 7,710,412
    • Issue date May 4, 2010
    • Hitachi Displays, Ltd.
    • Shigeo Adachi
    • G02 - OPTICS
  • Information Patent Grant

    Liquid crystal display device comprising a first conductive film su...
    • Patent number 7,652,728
    • Issue date Jan 26, 2010
    • Hitachi Displays, Ltd.
    • Hironobu Isami
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Liquid crystal display device having a low-voltage driving circuit
    • Patent number 7,567,230
    • Issue date Jul 28, 2009
    • Hitachi, Ltd.
    • Haruhisa Iida
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device having stabilized drive circuit
    • Patent number 7,492,340
    • Issue date Feb 17, 2009
    • Hitachi, Ltd.
    • Hironobu Isami
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display device
    • Patent number 7,274,625
    • Issue date Sep 25, 2007
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device having a gray-scale voltage selector...
    • Patent number 7,164,403
    • Issue date Jan 16, 2007
    • Hitachi, Ltd.
    • Hironobu Isami
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device having stabilized drive circuit
    • Patent number 7,042,430
    • Issue date May 9, 2006
    • Hitachi, Ltd.
    • Hironobu Isami
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal display device having a low-voltage driving circuit
    • Patent number 6,961,041
    • Issue date Nov 1, 2005
    • Hitachi, Ltd.
    • Haruhisa Ilda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    DITHERED DISPLAYS AND DITHERING PROCESSES AND APPARATUS
    • Publication number 20160077329
    • Publication date Mar 17, 2016
    • Pixtronix, Inc.
    • Katsumi Matsumoto
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20160005361
    • Publication date Jan 7, 2016
    • Pixtronix, Inc.
    • Kenta Kajiyama
    • G02 - OPTICS
  • Information Patent Application

    PIXEL CIRCUIT AND DISPLAY DEVICE EQUIPPED THEREWITH
    • Publication number 20150356930
    • Publication date Dec 10, 2015
    • Pixtronix, Inc.
    • Takahide Kuranaga
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    COMPACT ANCHOR FOR EMS DISPLAY ELEMENTS
    • Publication number 20150355457
    • Publication date Dec 10, 2015
    • Pixtronix, Inc.
    • Katsumi Matsumoto
    • G02 - OPTICS
  • Information Patent Application

    LOW TEMPERATURE POLYCRYSTALLINE SILICON BACKPLANE WITH COATED APERT...
    • Publication number 20150318308
    • Publication date Nov 5, 2015
    • Pixtronix, Inc.
    • Katsumi Matsumoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20140049722
    • Publication date Feb 20, 2014
    • Pixtronix, Inc.
    • Takeomi Morita
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20130100091
    • Publication date Apr 25, 2013
    • JAPAN DISPLAY EAST INC.
    • Yasukazu KIMURA
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE WITH TAPERED LIGHT REFLECTING LAYER AND MANUFACTURIN...
    • Publication number 20130021781
    • Publication date Jan 24, 2013
    • Japan Display East Inc.
    • Daisuke Sonoda
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20130016419
    • Publication date Jan 17, 2013
    • Japan Display East Inc.
    • Takeomi MORITA
    • G02 - OPTICS
  • Information Patent Application

    MEMS DISPLAY PIXEL CONTROL CIRCUITS AND METHODS
    • Publication number 20120306562
    • Publication date Dec 6, 2012
    • Japan Display East, inc.
    • Mitsuhide Miyamoto
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE AND METHOD OF MANUFACTURING THE DISPLAY DEVICE
    • Publication number 20120307334
    • Publication date Dec 6, 2012
    • Hitachi Displays, Ltd.
    • Hidekazu NITTA
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20120293851
    • Publication date Nov 22, 2012
    • Japan Display East Inc.
    • Takeomi MORITA
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE DISPLAY DEVICE
    • Publication number 20120287494
    • Publication date Nov 15, 2012
    • Hitachi Dispalys, Ltd.
    • Kouhei Takahashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20100230675
    • Publication date Sep 16, 2010
    • Katsumi Matsumoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LIQUID CRYSTAL DISPLAY DEVICE
    • Publication number 20100231561
    • Publication date Sep 16, 2010
    • Hitachi Displays, Ltd.
    • Katsumi MATSUMOTO
    • G02 - OPTICS
  • Information Patent Application

    LIQUID CRYSTAL DISPLAY DEVICE
    • Publication number 20100149156
    • Publication date Jun 17, 2010
    • Hitachi Displays, Ltd.
    • Masahiro Maki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20100097364
    • Publication date Apr 22, 2010
    • Hitachi Displays, Ltd.
    • Naohisa Ando
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display Device
    • Publication number 20090256792
    • Publication date Oct 15, 2009
    • Hitachi Displays, Ltd.
    • Katsumi MATSUMOTO
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20090213060
    • Publication date Aug 27, 2009
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20090213057
    • Publication date Aug 27, 2009
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • 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

    Display device
    • Publication number 20090073149
    • Publication date Mar 19, 2009
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • G02 - OPTICS
  • Information Patent Application

    Display device
    • Publication number 20090045408
    • Publication date Feb 19, 2009
    • Hitachi Displays, Ltd.
    • Takashi Sakai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND DISPLAY DEVICE
    • Publication number 20090045406
    • Publication date Feb 19, 2009
    • Hitachi Displays, Ltd.
    • Katsumi Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Display device
    • Publication number 20080303762
    • Publication date Dec 11, 2008
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20080186291
    • Publication date Aug 7, 2008
    • Katsumi Matsumoto
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20080174538
    • Publication date Jul 24, 2008
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Image display device
    • Publication number 20070279366
    • Publication date Dec 6, 2007
    • Hitachi Displays, Ltd.
    • Hiroshi Kageyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20070211012
    • Publication date Sep 13, 2007
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20070188433
    • Publication date Aug 16, 2007
    • Hitachi Displays, Ltd.
    • Kozo Yasuda
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS