Inventor · disambiguated record

Qishan Yuan

Also filed as: YUAN QISHAN

1 granted patent·1 pending application·0 citations·filing 2020–2020

10Inventor score

Technology areasA24B A24D

Files withCHINA TOBACCO HUNAN IND CO LTD2

Top patents by PatentIndex Score

2 records

0155US2023068565A1Low-harm cigarette subjected to smoke enhancementCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Application pending·0 cites
0253US12433322B2Water-based electronic cigarette liquidCHINA TOBACCO HUNAN IND CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·28 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →