Um; Kyung-Keun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Um; Kyung-Keun.The latest application filed is for "steel material for brake disc of motor vehicle having excellent wear resistance and high temperature strength and method of manufacturing the same".

Company Profile

5.8.10

Um; Kyung-Keun - Pohang-si KR
Um; Kyung Keun - Pohang KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the same Grant 11,453,933 - Um , et al. September 27, 2	2022-09-27
High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the same Grant 11,268,175 - Um , et al. March 8, 2	2022-03-08
Steel Material For Brake Disc Of Motor Vehicle Having Excellent Wear Resistance And High Temperature Strength And Method Of Manufacturing The Same App 20220064769 - YU; Seng-Ho ; et al.	2022-03-03
High-strength steel material having excellent low-temperature strain aging impact properties and welding heat-affected zone impact properties and method for manufacturing same Grant 11,136,653 - Um , et al. October 5, 2	2021-10-05
High-strength Steel Material Having Excellent Low-temperature Strain Aging Impact Properties And Welding Heat-affected Zone Impa App 20200263279 - UM; Kyung-Keun ; et al.	2020-08-20
High-strength steel plate for pressure vessel having excellent toughness after post weld heat treatment and manufacturing method thereof Grant 10,604,817 - Kim , et al.	2020-03-31
Steel Material Having Excellent Corrosion Resistance In Dew Condensation Environment Containing Sulfide And Method For Producing App 20200087766 - Park; Jin-Ho ; et al.	2020-03-19
High-strength Steel Material Having Enhanced Resistance To Crack Initiation And Propagation At Low Temperature And Method For Ma App 20200087765 - UM; Kyung-Keun ; et al.	2020-03-19
High-strength Steel Having Excellent Fracture Initiation Resistance And Fracture Propagation Arrestability At Low Temperature An App 20200080179 - UM; Kyung-Keun ; et al.	2020-03-12
High-strength Steel Plate For Pressure Vessel Having Excellent Toughness After Post Weld Heat Treatment And Manufacturing Method Thereof App 20190100818 - KIM; Dae-Woo ; et al.	2019-04-04
High-strength Steel Material Having Excellent Low-temperature Strain Aging Impact Properties And Method For Manufacturing Same App 20180363111 - UM; Kyung-Keun ; et al.	2018-12-20
High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor Grant 9,394,579 - Um , et al. July 19, 2	2016-07-19
High strength and low yield ratio steel for structure having excellent low temperature toughness Grant 8,702,880 - Cho , et al. April 22, 2	2014-04-22
High-Strength Steel Material Having Outstanding Ultra-Low-Temperature Toughness and a Production Method Therefor App 20130174941 - Um; Kyung-Keun ; et al.	2013-07-11
High Strength And Low Yield Ratio Steel For Structure Having Excellent Low Temperature Toughness App 20100263773 - Cho; Jae Young ; et al.	2010-10-21

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