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CHUANG-SHU JHUANG

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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane circuit board and keyboard device using same
    • Patent number 11,862,411
    • Issue date Jan 2, 2024
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keyboard device and key structure thereof
    • Patent number 11,646,167
    • Issue date May 9, 2023
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keyboard device
    • Patent number 11,177,091
    • Issue date Nov 16, 2021
    • Primax Electronics Ltd.
    • Lei-Lung Tsai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keyboard keycap connecting element
    • Patent number 10,692,667
    • Issue date Jun 23, 2020
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key structure
    • Patent number 10,488,943
    • Issue date Nov 26, 2019
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key structure
    • Patent number 9,799,465
    • Issue date Oct 24, 2017
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure
    • Patent number 9,767,970
    • Issue date Sep 19, 2017
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Keycap structure
    • Patent number 9,087,650
    • Issue date Jul 21, 2015
    • Primax Electronics Ltd.
    • Hui Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure with scissors-type connecting member
    • Patent number 8,581,127
    • Issue date Nov 12, 2013
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure with scissors-type connecting member
    • Patent number 8,581,130
    • Issue date Nov 12, 2013
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    KEYCAP
    • Publication number 20240266126
    • Publication date Aug 8, 2024
    • Primax Electronics Ltd.
    • Sheng-Fan Chang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MEMBRANE CIRCUIT BOARD AND KEYBOARD DEVICE USING SAME
    • Publication number 20230395339
    • Publication date Dec 7, 2023
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE
    • Publication number 20230178311
    • Publication date Jun 8, 2023
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE
    • Publication number 20230037236
    • Publication date Feb 2, 2023
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEYBOARD KEYCAP CONNECTING ELEMENT
    • Publication number 20200203098
    • Publication date Jun 25, 2020
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE
    • Publication number 20190220101
    • Publication date Jul 18, 2019
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    KEYBOARD
    • Publication number 20180337005
    • Publication date Nov 22, 2018
    • PRIMAX ELECTRONICS LTD.
    • Chuang-Shu JHUANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE
    • Publication number 20170213663
    • Publication date Jul 27, 2017
    • Primax Electronics Ltd.
    • CHUANG-SHU JHUANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE
    • Publication number 20170162345
    • Publication date Jun 8, 2017
    • Primax Electronics Ltd.
    • CHUANG-SHU JHUANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MICROSWITCH KEYBOARD
    • Publication number 20160322180
    • Publication date Nov 3, 2016
    • Primax Electronics Ltd.
    • CHUANG-SHU JHUANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEYCAP STRUCTURE
    • Publication number 20140216905
    • Publication date Aug 7, 2014
    • Primax Electronics Ltd.
    • Hui Ma
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SCISSORS-TYPE CONNECTING MEMBER AND KEY STRUCTURE WITH SCISSORS-TYP...
    • Publication number 20140138223
    • Publication date May 22, 2014
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE WITH SCISSORS-TYPE CONNECTING MEMBER
    • Publication number 20120312670
    • Publication date Dec 13, 2012
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY STRUCTURE WITH SCISSORS-TYPE CONNECTING MEMBER
    • Publication number 20120267226
    • Publication date Oct 25, 2012
    • Primax Electronics Ltd.
    • Chuang-Shu Jhuang
    • H01 - BASIC ELECTRIC ELEMENTS