Patents/Inventors

Seong-ung Koh

Gyeongsangbuk-doKR3 patents

4 Patents

US123392512025
Steel Plate Surface Material Property Testing Device and Steel Plate Surface Material Property Testing Method
POSCO
0 cites
US120376672024
High-strength Steel Having Excellent Resistance to Sulfide Stress Cracking, and Method for Manufacturing Same
POSCO CO., Ltd
0 cites
US117464012023
Steel Sheet Having Excellent Hydrogen Induced Cracking Resistance and Longitudinal Strength Uniformity, and Manufacturing Method Therefor
POSCO CO., Ltd
0 cites
US116495192023
Sour-resistant Heavy-wall Steel Plate Having Excellent Low-temperature Toughness and Post-heat Treatment Characteristics and Method for Manufacturing Same
POSCO Co., Ltd
0 cites