Nengjun XIANG

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Kunming, CN

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Patents Grantslast 30 patents

Information Patent Grant
Non-sticking tipping paper, preparation method and application meth...
- Patent number 11,591,496
- Issue date Feb 28, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ji Yang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
E-juice dripping type atomizer in electronic cigarette having u-sha...
- Patent number 11,285,278
- Issue date Mar 29, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Zhiqiang Li
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Electronic heating smoking paraphernalia capable of being rotated t...
- Patent number 11,184,957
- Issue date Nov 23, 2021
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Zhiqiang Li
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TEST SYSTEM AND TEST METHOD FOR LIP STICKING FORCE OF TIPPING PAPER...
- Publication number 20230105486
- Publication date Apr 6, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Mingming MIAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NON-STICKING TIPPING PAPER, PREPARATION METHOD AND APPLICATION METH...
- Publication number 20220298388
- Publication date Sep 22, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ji YANG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
DETERMINATION METHOD FOR LIP STICKING FORCE OF CIGARETTE TIPPING PAPER
- Publication number 20220050047
- Publication date Feb 17, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Ji YANG
- G01 - MEASURING TESTING
Information Patent Application
ELECTRONIC HEATING SMOKING PARAPHERNALIA CAPABLE OF BEING ROTATED T...
- Publication number 20200093183
- Publication date Mar 26, 2020
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Xudong ZHENG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
E-JUICE DRIPPING TYPE ATOMIZER
- Publication number 20190336708
- Publication date Nov 7, 2019
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Xudong ZHENG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES