Inventor · disambiguated record

Yancheng Yan

Also filed as: YAN YANCHENG

1 granted patent·0 citations·filing 2021–2021

2Inventor score
Technology areasE21B
Files withCHINA PETROLEUM & CHEM CORP1

Top patents by PatentIndex Score

1 record

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