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Takeaki Hirasawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens shift mechanism and projection display apparatus
    • Patent number 11,262,645
    • Issue date Mar 1, 2022
    • Sony Corporation
    • Takeaki Hirasawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image projection device and information processing method
    • Patent number 11,240,476
    • Issue date Feb 1, 2022
    • Sony Corporation
    • Takeaki Hirasawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Illuminating unit and display apparatus
    • Patent number 11,209,585
    • Issue date Dec 28, 2021
    • Saturn Licensing LLC
    • Takeaki Hirasawa
    • F21 - LIGHTING
  • Information Patent Grant

    Image display apparatus and light source device
    • Patent number 11,099,472
    • Issue date Aug 24, 2021
    • Sony Corporation
    • Takeaki Hirasawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Image projection unit and filter box
    • Patent number 10,663,846
    • Issue date May 26, 2020
    • Sony Corporation
    • Takeaki Hirasawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Display device
    • Patent number 10,146,075
    • Issue date Dec 4, 2018
    • Sony Corporation
    • Takeaki Hirasawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Display apparatus
    • Patent number 9,491,874
    • Issue date Nov 8, 2016
    • Sony Corporation
    • Takeaki Hirasawa
    • G02 - OPTICS
  • Information Patent Grant

    Display device
    • Patent number 9,307,667
    • Issue date Apr 5, 2016
    • Sony Corporation
    • Takeaki Hirasawa
    • F21 - LIGHTING
  • Information Patent Grant

    Display device
    • Patent number 9,161,474
    • Issue date Oct 13, 2015
    • Sony Corporation
    • Takeaki Hirasawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Attachment structure and display apparatus
    • Patent number 8,870,509
    • Issue date Oct 28, 2014
    • Sony Corporation
    • Takeaki Hirasawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PROJECTION DISPLAY APPARATUS
    • Publication number 20230251560
    • Publication date Aug 10, 2023
    • SONY GROUP CORPORATION
    • TAKEAKI HIRASAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION DISPLAY APPARATUS
    • Publication number 20230216994
    • Publication date Jul 6, 2023
    • SONY GROUP CORPORATION
    • TAKEAKI HIRASAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LENS SHIFT MECHANISM AND PROJECTION DISPLAY APPARATUS
    • Publication number 20210240062
    • Publication date Aug 5, 2021
    • SONY CORPORATION
    • Takeaki HIRASAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    IMAGE DISPLAY APPARATUS AND LIGHT SOURCE DEVICE
    • Publication number 20200124956
    • Publication date Apr 23, 2020
    • SONY CORPORATION
    • Takeaki Hirasawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE PROJECTION DEVICE AND INFORMATION PROCESSING METHOD
    • Publication number 20190253680
    • Publication date Aug 15, 2019
    • SONY CORPORATION
    • Takeaki HIRASAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE PROJECTION UNIT AND FILTER BOX
    • Publication number 20190250488
    • Publication date Aug 15, 2019
    • SONY CORPORATION
    • Takeaki HIRASAWA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROJECTION DISPLAY DEVICE AND FILTER STRUCTURAL BODY
    • Publication number 20190240609
    • Publication date Aug 8, 2019
    • SONY CORPORATION
    • TAKEAKI HIRASAWA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ILLUMINATING UNIT AND DISPLAY APPARATUS
    • Publication number 20180074249
    • Publication date Mar 15, 2018
    • TAKEAKI HIRASAWA
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20160370641
    • Publication date Dec 22, 2016
    • SONY CORPORATION
    • TAKEAKI HIRASAWA
    • G02 - OPTICS
  • Information Patent Application

    ATTACHMENT STRUCTURE AND DISPLAY APPARATUS
    • Publication number 20140093330
    • Publication date Apr 3, 2014
    • SONY CORPORATION
    • Takeaki Hirasawa
    • G02 - OPTICS
  • Information Patent Application

    FIXING MEMBER AND DISPLAY APPARATUS
    • Publication number 20140062274
    • Publication date Mar 6, 2014
    • SONY CORPORATION
    • Takeaki Hirasawa
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20140043738
    • Publication date Feb 13, 2014
    • SONY CORPORATION
    • Takeaki Hirasawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20130250550
    • Publication date Sep 26, 2013
    • SONY CORPORATION
    • Takeaki Hirasawa
    • F21 - LIGHTING
  • Information Patent Application

    DISPLAY APPARATUS
    • Publication number 20130242483
    • Publication date Sep 19, 2013
    • SONY CORPORATION
    • Takeaki Hirasawa
    • G02 - OPTICS
  • Information Patent Application

    HEAT-DISSIPATION STRUCTURE AND DISPLAY UNIT
    • Publication number 20120318484
    • Publication date Dec 20, 2012
    • SONY CORPORATION
    • Takeaki Hirasawa
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20120250352
    • Publication date Oct 4, 2012
    • SONY CORPORATION
    • Takeaki HIRASAWA
    • G02 - OPTICS
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20120250355
    • Publication date Oct 4, 2012
    • SONY CORPORATION
    • Takeaki HIRASAWA
    • G02 - OPTICS