Inventor · Dhahran, SA

Junseok Chang

17Patents
4h-index
18Co-inventors
53Inventor score

Filing activity: Feb 23, 2005 → Jul 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7128062B2 Method for mid load operation of auto-ignition combustion Emerging Cross-Sectional Technologies 28 Expired
US8061318B2 Method and apparatus for continuously variable differential phasing of engine valve operation Emerging Cross-Sectional Technologies 21 Active
US10378462B1 Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 8 Active
US10408139B1 Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 5 Active
US10436126B2 Adsorption-based fuel systems for onboard cetane on-demand and octane on-demand Emerging Cross-Sectional Technologies 4 Active
US10422288B1 Adsorbent circulation for onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 3 Active
US9163568B2 Cold start systems and methods Emerging Cross-Sectional Technologies 3 Active
US10378427B2 Nitrogen enriched air supply for gasoline compression ignition combustion Emerging Cross-Sectional Technologies 3 Active
US10760507B2 Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 1 Active
US10598100B2 Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 1 Active
US12398335B2 SOX emission control strategy for marine engine application through formulation of ISO 8217 compliant low-sulfur distillate blend (LSDB) fuels Chemistry; Metallurgy 0 Active
US12104522B1 Marine engine systems and methods for operating the same Emerging Cross-Sectional Technologies 0 Active
US11794566B2 System and method for employing gasoline compression ignition in a hybrid electric vehicle Emerging Cross-Sectional Technologies 0 Active
US11391230B2 Compression ignition engines and methods for operating the same under cold start fast idle conditions Emerging Cross-Sectional Technologies 0 Active
US11674419B1 Engine system with catalytic reactor Mechanical Engineering; Lighting; Heating 0 Active
US10801422B2 Adsorbent circulation for onboard octane on-demand and cetane on-demand Emerging Cross-Sectional Technologies 0 Active
US10724448B2 Multi-fuel internal combustion engines and methods for their operation Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.