Jin Woo Choung
37Patents
2h-index
61Co-inventors
56Inventor score
Filing activity: Nov 21, 2008 → Nov 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10753291B1 | System and method of controlling engine provided with dual continuously variable valve duration device | Emerging Cross-Sectional Technologies | 4 | Active |
| US8894952B1 | Method of reducing nitrogen oxide using amine compound as reductant | Performing Operations; Transporting | 2 | Active |
| US10731583B2 | System and method of controlling oxygen purge of three-way catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US8940659B2 | Gas purifying catalyst for internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US8980783B2 | Catalyst for converting nitrogen oxide into ammonia and method for manufacturing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9795947B2 | Method of preparation of perovskite catalyst | Performing Operations; Transporting | 0 | Active |
| US11594744B2 | Hybrid dehydrogenation reaction system | Emerging Cross-Sectional Technologies | 0 | Active |
| US12427505B2 | Catalyst for a dehydrogenation reaction, a manufacturing method thereof, and a hydrogen production method using same | Chemistry; Metallurgy | 0 | Active |
| US11718720B2 | Composite cellulose nanosheet with excellent transparency and strength and manufacturing method thereof | Chemistry; Metallurgy | 0 | Active |
| US12129328B2 | Low-carbon polyurethane foam composition for automobile interior material and preparation method therefor | Chemistry; Metallurgy | 0 | Active |
| US10823090B2 | System and method of controlling engine provided with dual continuously variable valve duration device | Emerging Cross-Sectional Technologies | 0 | Active |
| US8048393B2 | Zeolite catalyst for removing nitrogen oxides, method for preparing the same, and method of removing nitrogen oxides using the same | Performing Operations; Transporting | 0 | Active |
| US11780729B2 | Method for generating hydrogen | Emerging Cross-Sectional Technologies | 0 | Active |
| US12180393B2 | Polyurethane adhesive composition for carbon emission reduction and method of preparing same | Chemistry; Metallurgy | 0 | Active |
| US11701647B2 | Catalyst for preparing synthetic gas, method for preparing the same, and method for preparing synthetic gas using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9828895B2 | Exhaust gas post-processing system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10125650B1 | Exhaust gas purification apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US11826750B2 | Dehydrogenation reaction apparatus | Performing Operations; Transporting | 0 | Active |
| US10208640B2 | Exhaust gas purification apparatus and method for controlling the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11767285B2 | Catalyst for synthesizing dimethylether or methylacetate from synthetic gas, method for preparing the same, and method for preparing dimethylether or methylacetate using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11850574B2 | Catalyst for preparing a synthesis gas, a method for preparing the same, and a method for preparing a synthesis gas using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11433380B2 | Catalyst for reducing carbon monoxide and hydrocarbon, and method for preparing the same | Performing Operations; Transporting | 0 | Active |
| US8402754B2 | Apparatus for purifying exhaust gas | Emerging Cross-Sectional Technologies | 0 | Active |
| US11845666B2 | Method for preparing synthesis gas | Emerging Cross-Sectional Technologies | 0 | Active |
| US10968798B2 | Method and system of controlling oxygen purge of three-way catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.