Il-cheol Yi

3 Patents

• US123052492025

  High-strength Structural Steel Having Excellent Cold Bendability, and Manufacturing Method Therefor

  POSCO CO., Ltd

  0 cites
• US115916772023

  High-strength Structural Steel Material Having Excellent Fatigue Crack Propagation Inhibitory Characteristics and Manufacturing Method Therefor

  POSCO CO., Ltd

  0 cites
• US115726002023

  Structural Steel Having Excellent Brittle Crack Propagation Resistance, and Manufacturing Method Therefor

  POSCO CO., Ltd

  0 cites