Youchun Yan

Person

  • Dongguan, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Detachable floating shaver

    • Patent number 10,357,890
    • Issue date Jul 23, 2019
    • GUANGDONG ROMAN TECHNOLOGY CO., LTD.
    • Youchun Yan
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Interchangeable electric grip

    • Patent number D844246
    • Issue date Mar 26, 2019
    • GUANGDONG ROMAN TECHNOLOGY CO., LTD.
    • Youchun Yan
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Razor

    • Patent number D844242
    • Issue date Mar 26, 2019
    • GUANGDONG ROMAN TECHNOLOGY CO., LTD.
    • Youchun Yan
    • D28 - Cosmetic products and toilet articles
  • Information Patent Grant

    Razor

    • Patent number D823542
    • Issue date Jul 17, 2018
    • GUANGDONG ROMAN TECHNOLOGY CO., LTD.
    • Youchun Yan
    • D28 - Cosmetic products and toilet articles

Patents Applicationslast 30 patents

  • Information Patent Application

    DETACHABLE FLOATING SHAVER

    • Publication number 20190061182
    • Publication date Feb 28, 2019
    • Guangdong Roman Technology Co., Ltd.
    • Youchun YAN
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL