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Jianxin Ren

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  • Changsha, Hunan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling cigarette filter and cigarette
    • Patent number 12,150,474
    • Issue date Nov 26, 2024
    • China Tobacco Hunan Industrial Co., Ltd.
    • Wei Luo
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER-BASED ELECTRONIC CIGARETTE LIQUID
    • Publication number 20240016198
    • Publication date Jan 18, 2024
    • CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    • Jianfu Liu
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    COOLING CIGARETTE FILTER AND CIGARETTE
    • Publication number 20210315268
    • Publication date Oct 14, 2021
    • CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    • Wei Luo
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES