Inventor
CHANG JUNSEOK
SA17 patents
⚠️ This page may combine multiple inventors who share the name “CHANG JUNSEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
14 patentsUS10436126B2Oct 8, 2019
Adsorption-based fuel systems for onboard cetane on-demand and octane on-demand
SAUDI ARABIAN OIL CO7 citations83
US10422288B1Sep 24, 2019
Adsorbent circulation for onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO8 citations83
US10408139B1Sep 10, 2019
Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO11 citations83
US10378462B1Aug 13, 2019
Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO12 citations83
US10378427B2Aug 13, 2019
Nitrogen enriched air supply for gasoline compression ignition combustion
SAUDI ARABIAN OIL CO6 citations67
US10760507B2Sep 1, 2020
Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO1 citations62
US10598100B2Mar 24, 2020
Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO1 citations62
US11674419B1Jun 13, 2023
Engine system with catalytic reactor
SAUDI ARABIAN OIL CO0 citations59
US10801422B2Oct 13, 2020
Adsorbent circulation for onboard octane on-demand and cetane on-demand
SAUDI ARABIAN OIL CO0 citations51
US12398335B2Aug 26, 2025
SOX emission control strategy for marine engine application through formulation of ISO 8217 compliant low-sulfur distillate blend (LSDB) fuels
SAUDI ARABIAN OIL CO0 citations47
US12104522B1Oct 1, 2024
Marine engine systems and methods for operating the same
SAUDI ARABIAN OIL CO0 citations47
US11391230B2Jul 19, 2022
Compression ignition engines and methods for operating the same under cold start fast idle conditions
SAUDI ARABIAN OIL CO0 citations46
US11794566B2Oct 24, 2023
System and method for employing gasoline compression ignition in a hybrid electric vehicle
SAUDI ARABIAN OIL CO0 citations37
US10724448B2Jul 28, 2020
Multi-fuel internal combustion engines and methods for their operation
SAUDI ARABIAN OIL CO0 citations32