Inventor · disambiguated record
Duanduan Li
Also filed as: LI DUANDUAN
1 granted patent·2 pending applications·0 citations·filing 2023–2024
5Inventor score
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3 records- 0161US2024008521A1Device and method for reducing combustion cone fallout propensity and stabilizing loss of tobacco from cigarette endsZhangjiakou cigarette factory co ltd·Filed 2023·Application pending·0 cites
- 0249US2024390426A1Mesenchymal stem cells treated by at least two of cytokines il4, il21, and il27, exosomes and uses thereofSHENZHEN BEIKE BIOTECHNOLOLGY CO LTD·Filed 2024·Application pending·0 cites
- 0347US12262731B2Cut-stem separating and baffling apparatus and primary air separation apparatusZhangjiakou cigarette factory co ltd·Filed 2023·Granted Apr 1, 2025·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →