Inventor · disambiguated record

Qingzhou Yao

Also filed as: YAO QINGZHOU

2 granted patents·0 citations·filing 2018–2018

23Inventor score

Technology areasE21B G01V

Files withPETROCHINA CO LTD2

Top patents by PatentIndex Score

2 records

0152US10921477B2Method, apparatus, and system for eliminating frequency dispersion effectPETROCHINA CO LTD·Filed 2018·Granted Feb 16, 2021·0 cites·11 claims
0238US10845495B2Method and device of identifying fracturePETROCHINA CO LTD·Filed 2018·Granted Nov 24, 2020·0 cites·17 claims

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