Inventor

KWON OHO-CHEAL

KR4 patents

Patents

4 patents

US12138709B2Nov 12, 2024

Foreign substance collecting apparatus and electrical steel sheet manufacturing facility including same

POSCO0 citations57

US12239931B2Mar 4, 2025

Foreign substance capture apparatus and facility for manufacturing electrical steel sheet including same

POSCO0 citations49

US12595528B2Apr 7, 2026

Grain-oriented electrical steel sheet and method for refining magnetic domain of same

POSCO0 citations48

US12330191B2Jun 17, 2025

Alien substance removing apparatus and electrical steel sheet manufacturing facility having thereof

POSCO0 citations46