Inventor
CHOI SEUNG-HAK
SA27 patents
⚠️ This page may combine multiple inventors who share the name “CHOI SEUNG-HAK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
21 patentsUS11596899B1Mar 7, 2023
Hollow fiber membrane module and method of making and using same
SAUDI ARABIAN OIL CO2 citations72
US10889915B2Jan 12, 2021
Producing fibers using spinnerets
SAUDI ARABIAN OIL CO3 citations68
US10682606B2Jun 16, 2020
Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures
SAUDI ARABIAN OIL CO3 citations68
US10378427B2Aug 13, 2019
Nitrogen enriched air supply for gasoline compression ignition combustion
SAUDI ARABIAN OIL CO6 citations67
US11566715B1Jan 31, 2023
Preventing an over pressure condition with a mechanical shutdown valve
SAUDI ARABIAN OIL CO3 citations66
US11253819B2Feb 22, 2022
Production of thin film composite hollow fiber membranes
SAUDI ARABIAN OIL CO1 citations62
US11674419B1Jun 13, 2023
Engine system with catalytic reactor
SAUDI ARABIAN OIL CO0 citations59
US11642629B2May 9, 2023
Multi-layer composite gas separation membranes, methods for preparation, and use
SAUDI ARABIAN OIL CO0 citations59
US12083474B2Sep 10, 2024
Stacked membranes and their use in gas separation
SAUDI ARABIAN OIL CO0 citations58
US12006233B2Jun 11, 2024
Methods for water extraction
SAUDI ARABIAN OIL CO1 citations58
US11724230B2Aug 15, 2023
Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures
SAUDI ARABIAN OIL CO1 citations58
US11674241B2Jun 13, 2023
Producing fibers using spinnerets
SAUDI ARABIAN OIL CO1 citations58
US11406941B2Aug 9, 2022
Thin film composite hollow fiber membranes fabrication systems
SAUDI ARABIAN OIL CO1 citations57
US11331632B2May 17, 2022
Thin film composite hollow fiber membranes fabrication systems
SAUDI ARABIAN OIL CO1 citations57
US11260351B2Mar 1, 2022
Thin film composite hollow fiber membranes fabrication systems
SAUDI ARABIAN OIL CO1 citations57
US11821543B2Nov 21, 2023
Preventing an over pressure condition with a mechanical shutdown valve
SAUDI ARABIAN OIL CO1 citations56
US12515950B2Jan 6, 2026
H2 recovery and CO2 separation using membrane
SAUDI ARABIAN OIL CO0 citations47
US11866653B1Jan 9, 2024
Processes and systems for upgrading crude oil
SAUDI ARABIAN OIL CO0 citations45
US12202755B2Jan 21, 2025
Segregation and treatment of waste water streams for enhanced oil recovery
SAUDI ARABIAN OIL CO0 citations43
US11383200B2Jul 12, 2022
Membrane process for H2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas
SAUDI ARABIAN OIL CO0 citations43
US10843128B2Nov 24, 2020
Membrane contactor
SAUDI ARABIAN OIL CO0 citations35
SAMSUNG ELECTRONICS CO LTD
5 patentsUS5808619ASep 15, 1998
Real-time rendering method of selectively performing bump mapping and phong shading processes and apparatus therefor
SAMSUNG ELECTRONICS CO LTD85 citations95
US7732139B2Jun 8, 2010
Multiple SNP for diagnosing cardiovascular disease, microarray and kit comprising the same, and method of diagnosing cardiovascular disease using the same
SAMSUNG ELECTRONICS CO LTD3 citations58
US7932368B2Apr 26, 2011
Multiple SNP for diagnosing colorectal cancer, microarray and kit comprising the same, and method of diagnosing colorectal cancer using the same
SAMSUNG ELECTRONICS CO LTD0 citations50
US7517650B2Apr 14, 2009
Method of diagnosing breast cancer and compositions therefor
SAMSUNG ELECTRONICS CO LTD0 citations49
US7599800B2Oct 6, 2009
Apparatus and method for coding genetic information
SAMSUNG ELECTRONICS CO LTD0 citations36