Inventor · disambiguated record
Qingfeng Guo
Also filed as: GUO QINGFENG
2 granted patents·1 pending application·15 citations·filing 2009–2022
53Inventor score
Files withBEIJING CHJ INFORMATION TECH CO LTD1DRILLING RES INST OF CHINA NAT PETROLEUM COMPANY1MI XUETAO1
Top patents by PatentIndex Score
3 records- 0167US8335095B2One cycle control method for power factor correctionMI XUETAO·Filed 2009·Granted Dec 18, 2012·14 cites·6 claims
- 0250US9759026B2Wellbore pressure correction methodDRILLING RES INST OF CHINA NAT PETROLEUM COMPANY·Filed 2017·Granted Sep 12, 2017·1 cites·6 claims
- 0341US2024116389A1Method for Adjusting Vehicle Charging Current, Vehicle Control Unit and an Electric VehicleBEIJING CHJ INFORMATION TECH CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →