Inventor · disambiguated record
Dezheng Yi
Also filed as: YI DEZHENG
1 granted patent·0 citations·filing 2020–2020
6Inventor score
Technology areasE21B
Files withPETROCHINA CO LTD1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →