Choi; Jong-Kyo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Jong-Kyo.The latest application filed is for "pressure vessel steel having excellent hydrogen induced cracking resistance, and manufacturing method therefor".

Company Profile

2.9.12

Choi; Jong-Kyo - Pohang-Si KR
Choi; Jong-Kyo - Seoul KR
Choi; Jong-Kyo - Kyungsangbook-do KR
Choi; Jong Kyo - Pohang N/A 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
Enhanced wear resistant steel and methods of making the same Grant 11,155,905 - Jin , et al. October 26, 2	2021-10-26
Pressure vessel steel having excellent hydrogen induced cracking resistance, and manufacturing method therefor Grant 11,155,906 - Kim , et al. October 26, 2	2021-10-26
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
Pressure Vessel Steel Having Excellent Hydrogen Induced Cracking Resistance, And Manufacturing Method Therefor App 20190264306 - KIM; Dae-Woo ; et al.	2019-08-29
Enhanced Wear Resistant Steel And Methods Of Making The Same App 20180258515 - Jin; Hyunwoo ; et al.	2018-09-13
Wear resistant steel having excellent toughness and weldability Grant 9,708,698 - Choi , et al. July 18, 2	2017-07-18
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 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
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
Enhanced Wear Resistant Steel And Methods Of Making The Same App 20140261918 - Jin; HyunWoo ; et al.	2014-09-18
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
Austenite Steel Material Having Superior Ductility App 20120288396 - Lee; Soon-Gi ; et al.	2012-11-15
High Strength And Low Yield Ratio Steel For Structure Having Excellent Low Temperature Toughness App 20100263773 - Cho; Jae Young ; et al.	2010-10-21

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.