Inventor
Jai-Hyun Kwak
Inventor
Gwangyang-si, KR
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals26%
C22CAlloys26%
C23CCoating metallic material17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
Y10TTechnical subjects covered by former us classification7%
B21BRolling of metal5%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
PatentTitleYear
10,604,820Method of continuously annealing a strip202010,519,526High-strength cold rolled steel sheet having excellent ductility, hot-dip galvanized steel sheet and method for manufacturing same201910,358,691Apparatus for continuous annealing of strip and method for continuous annealing of same201910,273,556Lightweight steel sheet having excellent strength and ductility and method for manufacturing same20199,856,542'Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and method of manufacturing the same'20189,738,958'Austenitic, lightweight, high-strength steel sheet having high yield ratio and ductility, and method for producing the same'20179,598,753'High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same'20179,194,030'High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same'20159,109,273'High strength steel sheet and hot dip galvanized steel sheet having high ductility and excellent delayed fracture resistance and method for manufacturing the same'20158,778,097'Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof'20148,741,078'Method for manufacturing an ultrahigh strength hot dip galvanized steel sheet having martensitic structure as matrix'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to POSCO (10)· patent assignee history
2014–2015Patents assigned to CHIN KWANG GEUN (3)· patent assignee history
2014–2015Patents assigned to KWAK JAI HYUN (3)· patent assignee history
2014–2017Patents assigned to KWAK JAI-HYUN (2)· patent assignee history
2014–2020Based in Gwangyang-si, KR· patent location history
2014–2017Based in Gwangyang, KR· patent location history
2017Patents assigned to CHIN KWANG-GEUN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POSCO | 10 | 2014–2020 |
| CHIN KWANG GEUN | 3 | 2014–2015 |
| KWAK JAI HYUNself | 3 | 2014–2015 |
| KWAK JAI-HYUNself | 2 | 2014–2017 |
| CHIN KWANG-GEUN | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gwangyang-si, KR | 7 | 2014–2020 |
| Gwangyang, KR | 4 | 2014–2017 |