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A-Jung Chang

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  • Taipei City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Luminous scroll module
    • Patent number 10,775,908
    • Issue date Sep 15, 2020
    • Primax Electronics Ltd.
    • Jia-Hung Lin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Scroll module
    • Patent number 10,725,568
    • Issue date Jul 28, 2020
    • Primax Electronics Ltd.
    • Jia-Hung Lin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mouse device with adjustable moving resolution
    • Patent number 10,429,951
    • Issue date Oct 1, 2019
    • Primax Electronics Ltd.
    • Shi-Jie Zhang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Joystick-type mouse
    • Patent number 10,310,629
    • Issue date Jun 4, 2019
    • Primax Electronics Ltd.
    • Ying-Che Tseng
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Mouse device
    • Patent number 10,310,633
    • Issue date Jun 4, 2019
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mouse device
    • Patent number 10,310,635
    • Issue date Jun 4, 2019
    • Primax Electronics Ltd.
    • Shi-Jie Zhang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mouse device
    • Patent number 10,108,276
    • Issue date Oct 23, 2018
    • Primax Electronics Ltd.
    • Shi-Jie Zhang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch pen
    • Patent number 9,836,138
    • Issue date Dec 5, 2017
    • Primax Electronics Ltd.
    • Tung-Heng Wu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Passive touch pen
    • Patent number 9,146,649
    • Issue date Sep 29, 2015
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch input device with button function
    • Patent number 9,030,435
    • Issue date May 12, 2015
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mouse device
    • Patent number 9,001,043
    • Issue date Apr 7, 2015
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch input device with button function
    • Patent number 8,810,539
    • Issue date Aug 19, 2014
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Retractable cable mouse
    • Patent number 8,643,601
    • Issue date Feb 4, 2014
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Sliding mechanism
    • Patent number 8,475,047
    • Issue date Jul 2, 2013
    • Primax Electronics, Ltd.
    • A-Ming Chang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sliding mechanism
    • Patent number 8,396,207
    • Issue date Mar 12, 2013
    • Primax Electronics, Ltd.
    • A-Ming Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Input device with click button
    • Patent number 8,363,013
    • Issue date Jan 29, 2013
    • Primax Electronics Ltd.
    • A-Ming Chang
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wireless mouse
    • Patent number 8,049,725
    • Issue date Nov 1, 2011
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input device having indicating lamp
    • Patent number 7,753,548
    • Issue date Jul 13, 2010
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input device having multi-stage indicating lamp
    • Patent number 7,744,238
    • Issue date Jun 29, 2010
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Power supply system for flat panel display devices
    • Patent number 7,291,987
    • Issue date Nov 6, 2007
    • Hon Hai Precision Industry Co., Ltd.
    • A-Jung Chang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Computer joystick
    • Patent number 6,181,327
    • Issue date Jan 30, 2001
    • Primax Electronics Ltd.
    • Shu-Ming Lin
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Computer joystick for moving an object in three dimensions
    • Patent number 6,160,537
    • Issue date Dec 12, 2000
    • Primax Electronics Ltd.
    • Shu-Ming Liu
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20180329525
    • Publication date Nov 15, 2018
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20180275778
    • Publication date Sep 27, 2018
    • Primax Electronics Ltd.
    • SHI-JIE ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20180275777
    • Publication date Sep 27, 2018
    • Primax Electronics Ltd.
    • SHI-JIE ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20180275775
    • Publication date Sep 27, 2018
    • Primax Electronics Ltd.
    • SHI-JIE ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SLIDE SWITCH
    • Publication number 20180269009
    • Publication date Sep 20, 2018
    • Primax Electronics Ltd.
    • CHENG -YI TSAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    JOYSTICK-TYPE MOUSE
    • Publication number 20180253156
    • Publication date Sep 6, 2018
    • Primax Electronics Ltd.
    • YING-CHE TSENG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    INPUT DEVICE WITH PROJECTING FUNCTION
    • Publication number 20170318282
    • Publication date Nov 2, 2017
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PRESSURE SENSITIVE STYLUS PEN
    • Publication number 20170269719
    • Publication date Sep 21, 2017
    • Primax Electronics Ltd.
    • CHENG-YI TSAI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH PEN
    • Publication number 20170228051
    • Publication date Aug 10, 2017
    • Primax Electronics Ltd.
    • TUNG-HENG WU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH PEN
    • Publication number 20160018911
    • Publication date Jan 21, 2016
    • PRIMAX ELECTRONICS LTD.
    • SHIH-CHIEH LAN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PASSIVE TOUCH PEN
    • Publication number 20150286310
    • Publication date Oct 8, 2015
    • PRIMAX ELECTRONICS LTD.
    • A-MING CHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PASSIVE TOUCH PEN
    • Publication number 20150286309
    • Publication date Oct 8, 2015
    • Primax Electronics Ltd.
    • A-MING CHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PASSIVE TOUCH PEN
    • Publication number 20150286311
    • Publication date Oct 8, 2015
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20150029103
    • Publication date Jan 29, 2015
    • PRIMAX ELECTRONICS LTD.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH INPUT DEVICE WITH BUTTON FUNCTION
    • Publication number 20150015496
    • Publication date Jan 15, 2015
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MOUSE DEVICE
    • Publication number 20140210720
    • Publication date Jul 31, 2014
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    TOUCH INPUT DEVICE WITH BUTTON FUNCTION
    • Publication number 20140210735
    • Publication date Jul 31, 2014
    • PRIMAX ELECTRONICS LTD.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    RETRACTABLE CABLE MOUSE
    • Publication number 20130257730
    • Publication date Oct 3, 2013
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SLIDING MECHANISM
    • Publication number 20120291224
    • Publication date Nov 22, 2012
    • Primax Electronics Ltd.
    • A-Ming Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SLIDING MECHANISM
    • Publication number 20120251022
    • Publication date Oct 4, 2012
    • Primax Electronics Ltd.
    • A-MING CHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    RETRACTABLE CABLE MOUSE
    • Publication number 20120229386
    • Publication date Sep 13, 2012
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    INPUT DEVICE WITH CLICK BUTTON
    • Publication number 20110084905
    • Publication date Apr 14, 2011
    • PRIMAX ELECTRONICS, LTD.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    INPUT DEVICE HAVING MULTI-STAGE INDICATING LAMP
    • Publication number 20090316427
    • Publication date Dec 24, 2009
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    INPUT DEVICE HAVING INDICATING LAMP
    • Publication number 20090316428
    • Publication date Dec 24, 2009
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WIRELESS MOUSE
    • Publication number 20090244007
    • Publication date Oct 1, 2009
    • Primax Electronics Ltd.
    • A-Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Power supply system for flat panel display devices
    • Publication number 20060284568
    • Publication date Dec 21, 2006
    • Hon Hai Precision Industry CO., LTD.
    • A-Jung Chang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR