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Rongfei YE

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cigarette heating device
    • Patent number 11,980,232
    • Issue date May 14, 2024
    • China Tobacco Guangdong Industrial Co., Ltd.
    • Ruifeng Zhao
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

  • Information Patent Application

    CIGARETTE HEATING DEVICE
    • Publication number 20210321673
    • Publication date Oct 21, 2021
    • CHINA TOBACCO GUANGDONG INDUSTRIAL CO., LTD.
    • Ruifeng ZHAO
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Application

    VARIABLE-VENTILATION FILTER TIP AND CIGARETTE
    • Publication number 20210177047
    • Publication date Jun 17, 2021
    • CHINA TOBACCO GUANGDONG INDUSTRIAL CO., LTD.
    • Xi LIU
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES