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Yasuyuki SHIRASAKA

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electret sheet and piezoelectric sensor
    • Patent number 11,908,629
    • Issue date Feb 20, 2024
    • Sekisui Chemical Co., Ltd.
    • Tetsuhiro Kato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electret sheet
    • Patent number 11,688,563
    • Issue date Jun 27, 2023
    • Sekisui Chemical Co., Ltd.
    • Tetsuhiro Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electret sheet
    • Patent number 11,024,463
    • Issue date Jun 1, 2021
    • Sekisui Chemical Co., Ltd.
    • Tetsuhiro Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Electret sheet
    • Patent number 10,978,252
    • Issue date Apr 13, 2021
    • Sekisui Chemical Co., Ltd.
    • Tetsuhiro Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical sensor and electronic device
    • Patent number 9,772,404
    • Issue date Sep 26, 2017
    • Sharp Kabushiki Kaisha
    • Yasuyuki Shirasaka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical sensor and electronic device
    • Patent number 9,618,609
    • Issue date Apr 11, 2017
    • Sharp Kabushiki Kaisha
    • Yasuyuki Shirasaka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical sensor and electronic equipment
    • Patent number 8,664,580
    • Issue date Mar 4, 2014
    • Sharp Kabushiki Kaisha
    • Kohei Yasukawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Decoder device and movement controller
    • Patent number 8,040,267
    • Issue date Oct 18, 2011
    • Sharp Kabushiki Kaisha
    • Yasuyuki Shirasaka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Decoder circuit, and photo-detecting amplifier circuit and optical...
    • Patent number 7,321,530
    • Issue date Jan 22, 2008
    • Sharp Kabushiki Kaisha
    • Katsuyuki Kawamura
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    STATE DETERMINATION METHOD, STATE DETERMINATION DEVICE, STATE DETER...
    • Publication number 20230000394
    • Publication date Jan 5, 2023
    • Sekisui Chemical Co., Ltd
    • Yasuyuki SHIRASAKA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ELECTRET SHEET AND PIEZOELECTRIC SENSOR
    • Publication number 20210257165
    • Publication date Aug 19, 2021
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20210249195
    • Publication date Aug 12, 2021
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20190057816
    • Publication date Feb 21, 2019
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20190043672
    • Publication date Feb 7, 2019
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL SENSOR AND ELECTRONIC DEVICE
    • Publication number 20160178735
    • Publication date Jun 23, 2016
    • Sharp Kabushiki Kaisha
    • Yasuyuki SHIRASAKA
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL SENSOR
    • Publication number 20150323670
    • Publication date Nov 12, 2015
    • Sharp Kabushiki Kaisha
    • Yasuyuki SHIRASAKA
    • G01 - MEASURING TESTING
  • Information Patent Application

    OPTICAL SENSOR AND ELECTRONIC EQUIPMENT
    • Publication number 20120211639
    • Publication date Aug 23, 2012
    • Kohei YASUKAWA
    • G01 - MEASURING TESTING
  • Information Patent Application

    DECODER DEVICE AND MOVEMENT CONTROLLER
    • Publication number 20100225507
    • Publication date Sep 9, 2010
    • Yasuyuki Shirasaka
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Decoder circuit, and photo-detecting amplifier circuit and optical...
    • Publication number 20040264335
    • Publication date Dec 30, 2004
    • Katsuyuki Kawamura
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Photoreceptive amplifier circuit and optical pickup element includi...
    • Publication number 20040184387
    • Publication date Sep 23, 2004
    • Yasuyuki Shirasaka
    • G11 - INFORMATION STORAGE