Inventor
CAO DONGQING
US21 patents
⚠️ This page may combine multiple inventors who share the name “CAO DONGQING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
7 patentsUS11254855B2Feb 22, 2022
Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof
SAUDI ARABIAN OIL CO5 citations71
US10927290B2Feb 23, 2021
Chemical imbibition by gels containing surfactants for fractured carbonate reservoirs
SAUDI ARABIAN OIL CO2 citations66
US11906417B2Feb 20, 2024
Restoring core samples
SAUDI ARABIAN OIL CO0 citations62
US11795374B2Oct 24, 2023
Composition and method of making cationic surfactants with two quaternary ammonium head groups
SAUDI ARABIAN OIL CO0 citations62
US12577867B2Mar 17, 2026
Treatment of subterranean formations
SAUDI ARABIAN OIL CO0 citations58
US11867039B2Jan 9, 2024
Alternating microsphere and smartwater injection for enhanced oil recovery
SAUDI ARABIAN OIL CO0 citations58
US12503940B2Dec 23, 2025
Usage of an artificial fracture setup for gel evaluation
SAUDI ARABIAN OIL CO0 citations57
SEMICONDUCTOR COMPONENTS IND LLC
5 patentsUS9554115B2Jan 24, 2017
Imaging pixels with depth sensing capabilities
SEMICONDUCTOR COMPONENTS IND LLC8 citations84
US9478574B2Oct 25, 2016
Image sensor pixels with light guides and light shield structures
SEMICONDUCTOR COMPONENTS IND LLC7 citations83
US10158843B2Dec 18, 2018
Imaging pixels with depth sensing capabilities
SEMICONDUCTOR COMPONENTS IND LLC2 citations73
US10014336B2Jul 3, 2018
Imagers with depth sensing capabilities
SEMICONDUCTOR COMPONENTS IND LLC3 citations73
US10079256B2Sep 18, 2018
Image sensor pixels with light guides and light shield structures
SEMICONDUCTOR COMPONENTS IND LLC2 citations72