Inventor · disambiguated record
Yunhua Qin
Also filed as: QIN YUNHUA
3 granted patents·2 citations·filing 2021–2022
51Inventor score
Files withCHINA TOBACCO YUNNAN IND CO LTD3
Top patents by PatentIndex Score
3 records- 0191US11744286B2Electronic cigarette (e-cigarette) capable of holding, heating, and quantitatively supplying gelled electronic liquid (e-liquid)CHINA TOBACCO YUNNAN IND CO LTD·Filed 2021·Granted Sep 5, 2023·2 cites·6 claims
- 0273US12458061B2Automatically resettable tobacco heating deviceCHINA TOBACCO YUNNAN IND CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·12 claims
- 0360US11717020B2Bubble removal preparation device and method for gel-state electronic liquid (e-liquid)CHINA TOBACCO YUNNAN IND CO LTD·Filed 2021·Granted Aug 8, 2023·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →