Inventor · disambiguated record

Nancy H. Choi

Also filed as: CHOI NANCY H · CHOI NANCY HYANGSIL

4 granted patents·1 pending application·31 citations·filing 2011–2023

72Inventor score

Technology areasE21B

Files withEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY2 EXXONMOBIL UPSTREAM RES CO1 HOWELL DAVID A1 WALTERS CLIFFORD1

Top patents by PatentIndex Score

5 records

0193US11512572B2Methods of stimulating a hydrocarbon wellEXXONMOBIL UPSTREAM RES CO·Filed 2021·Granted Nov 29, 2022·5 cites·24 claims
0290US11852002B2Methods of stimulating a hydrocarbon wellEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2022·Granted Dec 26, 2023·2 cites·21 claims
0387US9057261B2System and method for fracturing rock in tight reservoirsWALTERS CLIFFORD·Filed 2011·Granted Jun 16, 2015·24 cites·23 claims
0474US12281558B2Methods of stimulating a hydrocarbon wellEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2023·Granted Apr 22, 2025·0 cites·19 claims
0542US2015167441A1System and method of injecting a proppant mixture during fracturingHOWELL DAVID A·Filed 2014·Application pending·0 cites

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →