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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic fountain pen
    • Patent number 11,360,583
    • Issue date Jun 14, 2022
    • HANVON UGEE TECHNOLOGY CO., LTD.
    • Yuanzhi Li
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Passive electromagnetic fountain pen
    • Patent number 11,287,906
    • Issue date Mar 29, 2022
    • HANVON UGEE TECHNOLOGY CO., LTD.
    • Yuanzhi Li
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Passive electromagnelic pen
    • Patent number 11,256,344
    • Issue date Feb 22, 2022
    • HANVON UGEE TECHNOLOGY CO., LTD.
    • Yuanzhi Li
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROMAGNETIC PEN
    • Publication number 20220035463
    • Publication date Feb 3, 2022
    • HANVON UGEE TECHNOLOGY CO., LTD.
    • Yuanzhi LI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTROMAGNETIC FOUNTAIN PEN
    • Publication number 20210349557
    • Publication date Nov 11, 2021
    • Hanvon Ugee Technology Co., Ltd.
    • Yuanzhi LI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PASSIVE ELECTROMAGNETIC FOUNTAIN PEN
    • Publication number 20210318765
    • Publication date Oct 14, 2021
    • Hanvon Ugee Technology Co., Ltd.
    • Yuanzhi LI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PASSIVE ELECTROMAGNETIC PEN
    • Publication number 20210311572
    • Publication date Oct 7, 2021
    • Hanvon Ugee Technology Co., Ltd.
    • Yuanzhi LI
    • G06 - COMPUTING CALCULATING COUNTING