Inventor · disambiguated record
Fangrui Chen
Also filed as: CHEN FANGRUI
3 granted patents·2 citations·filing 2021–2021
48Inventor score
Files withCHINA TOBACCO YUNNAN IND CO LTD3
Top patents by PatentIndex Score
3 records- 0188US11899398B1Collapsible pyramid holographic projection imager and packaging box including sameCHINA TOBACCO YUNNAN IND CO LTD·Filed 2021·Granted Feb 13, 2024·2 cites·16 claims
- 0247US11932478B1Method for manufacturing and packaging special-shaped cigaretteCHINA TOBACCO YUNNAN IND CO LTD·Filed 2021·Granted Mar 19, 2024·0 cites·8 claims
- 0344US11525774B2Sensory evaluation method for spectral data of mainstream smokeCHINA TOBACCO YUNNAN IND CO LTD·Filed 2021·Granted Dec 13, 2022·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →