Inventor · disambiguated record
Hongfei Ji
Also filed as: JI HONGFEI
3 granted patents·1 pending application·0 citations·filing 2020–2023
38Inventor score
Top patents by PatentIndex Score
4 records- 0165US12497331B2High-strength Portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereofCHINA NAT PETROLEUM CORP·Filed 2023·Granted Dec 16, 2025·0 cites·14 claims
- 0259US12391861B2Cement slurry system, preparation method therefor and use thereofCHINA NAT PETROLEUM CORP·Filed 2022·Granted Aug 19, 2025·0 cites·13 claims
- 0352US2024288348A1Set cement mechanical properties parameter measurement method and apparatus based on image recognition technologyCHINA NAT PETROLEUM CORP·Filed 2022·Application pending·0 cites
- 0444US11926787B2Well cementing method for improving well cementing quality by controlling hydration heat of cement slurryPETROCHINA CO LTD·Filed 2020·Granted Mar 12, 2024·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →