Inventor · disambiguated record
Chunfang Li
Also filed as: LI CHUNFANG
3 granted patents·1 pending application·17 citations·filing 2018–2022
58Inventor score
Top patents by PatentIndex Score
4 records- 0164USD885768SToothbrush headLI CHUNFANG·Filed 2018·Granted Jun 2, 2020·17 cites·1 claims
- 0257US2025042867A1Maleic anhydride hydrogenation process and succinic acid production process comprising the sameCHINA PETROLEUM & CHEM CORP·Filed 2022·Application pending·0 cites
- 0352US12110460B2Method and apparatus for recovering C2—C4 components in methane-containing industrial gasCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Oct 8, 2024·0 cites·27 claims
- 0448US11649406B2Method and system for separating light hydrocarbonsCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted May 16, 2023·0 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →