Inventor
Jin Woo Choung
Inventor
Suwon-si, KR
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general21%
Y02TClimate change mitigation technologies related to transportation21%
B01DSeparation15%
Y02ATechnologies for adaptation to climate change15%
F02DControlling combustion engines11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
F01LCyclically operating valves for machines or engines3%
F02PIgnition, other than compression ignition, for internal-combustion engines3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
10,968,798Method and system of controlling oxygen purge of three-way catalyst202110,823,090System and method of controlling engine provided with dual continuously variable valve duration device202010,760,461Catalyst oxygen purge control apparatus and method202010,753,291System and method of controlling engine provided with dual continuously variable valve duration device202010,731,583System and method of controlling oxygen purge of three-way catalyst202010,443,464Catalyst oxygen purge control apparatus and method201910,208,640Exhaust gas purification apparatus and method for controlling the same201910,208,688Exhaust gas purification apparatus and method for controlling the same201910,161,281Exhaust purification system and control method thereof201810,125,650Exhaust gas purification apparatus201810,060,315Diesel particulate filter coated with selective catalytic reduction and exhaust gas aftertreatment system including the same20189,828,895Exhaust gas post-processing system20179,795,947'Method of preparation of perovskite catalyst'20178,980,783'Catalyst for converting nitrogen oxide into ammonia and method for manufacturing the same'20158,940,659'Gas purifying catalyst for internal combustion engine'20158,911,698'Supported catalyst for removing nitrogen oxides, method of preparing the same, and removing method of nitrogen oxides using the same'20148,894,952'Method of reducing nitrogen oxide using amine compound as reductant'20148,402,754'Apparatus for purifying exhaust gas'20138,048,393'Zeolite catalyst for removing nitrogen oxides, method for preparing the same, and method of removing nitrogen oxides using the same'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2021Patents assigned to HYUNDAI MOTOR CO LTD (19)· patent assignee history
2011–2021Based in Suwon-si, KR· patent location history
2013–2015Patents assigned to CHOUNG JIN WOO (2)· patent assignee history
2014–2015Patents assigned to POSTECH ACAD IND FOUND (3)· patent assignee history
2015–2020Based in Gyeonggi-do, KR· patent location history
2018–2021Patents assigned to KIA MOTORS CORP (8)· patent assignee history
2018–2019Based in Yongin-si, KR· patent location history
2019–2020Patents assigned to HYUNDAI KEFICO CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HYUNDAI MOTOR CO LTD | 19 | 2011–2021 |
| KIA MOTORS CORP | 8 | 2018–2021 |
| HYUNDAI KEFICO CORP | 4 | 2019–2020 |
| POSTECH ACAD IND FOUND | 3 | 2014–2015 |
| CHOUNG JIN WOOself | 2 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwon-si, KR | 14 | 2011–2021 |
| Gyeonggi-do, KR | 3 | 2015–2020 |
| Yongin-si, KR | 2 | 2018–2019 |