Inventor · disambiguated record
Ertao Han
Also filed as: HAN ERTAO
1 granted patent·7 citations·filing 2015–2015
28Inventor 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 →