LEE; Hong-Ju

Patent Applications and Registrations

Patent applications and USPTO patent grants for LEE; Hong-Ju.The latest application filed is for "high-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same".

Company Profile

1.5.11

LEE; Hong-Ju - Pohang-si Gyeongsangbuk-do
Lee; Hong-Ju - Kyungsangbook-do KR
Lee; Hong-Ju - Ansan-si 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 Having Excellent Resistance To Sulfide Stress Cracking, And Method For Manufacturing Same App 20220010418 - KOH; Seong-Ung ; et al.	2022-01-13
Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same Grant 10,655,196 - Lee , et al.	2020-05-19
Austenitic Steel Material Having Excellent Abrasion Resistance And Toughness And Manufacturing Method The Same App 20200140981 - Kim; Yong-Jin ; et al.	2020-05-07
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 austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor Grant 10,041,156 - Lee , et al. August 7, 2	2018-08-07
High-manganese wear resistant steel having excellent weldability and method for manufacturing same Grant 9,945,014 - Lee , et al. April 17, 2	2018-04-17
Wear resistant steel having excellent toughness and weldability Grant 9,708,698 - Choi , et al. July 18, 2	2017-07-18
Expandable High-strength Steel Material And Expanded High-strength Steel Pipe Having Superior Expandability And Collapse Resistance, And Methods For Manufacturing Thereof App 20170138511 - LEE; Hak-Cheol ; et al.	2017-05-18
Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same Grant 9,650,703 - Lee , et al. May 16, 2	2017-05-16
High Strength Austenitic-based Steel With Remarkable Toughness Of Welding Heat-affected Zone And Preparation Method Therefor App 20150354037 - LEE; Hak-Cheol ; et al.	2015-12-10
High-manganese Wear Resistant Steel Having Excellent Weldability And Method For Manufacturing Same App 20150322551 - LEE; Soon-Gi ; et al.	2015-11-12
Austenitic Steel Having Excellent Machinability And Ultra-low Temperature Toughness In Weld Heat-affected Zone, And Method Of Manufacturing The Same App 20150020928 - Lee; Soon-Gi ; et al.	2015-01-22
Wear Resistant Austenitic Steel Having Superior Machinability And Toughness In Weld Heat Affected Zones Thereof And Method For Producing Same App 20140373588 - Lee; Soon-Gi ; et al.	2014-12-25
Wear Resistant Austenitic Steel Having Superior Machinability And Ductility, And Method For Producing Same App 20140356220 - Lee; Soon-Gi ; et al.	2014-12-04
Wear Resistant Steel Having Excellent Toughness And Weldability App 20140334967 - Choi; Jong-Kyo ; et al.	2014-11-13
Detecting Apparatus And Method In Mimo System App 20100246732 - Seo; Bang-Won ; et al.	2010-09-30

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