Inventor
PARK RHO-BUM
KR5 patents
⚠️ This page may combine multiple inventors who share the name “PARK RHO-BUM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO
4 patentsUS10053749B2Aug 21, 2018
Production method for plated steel sheet using a steel sheet annealing device
POSCO2 citations69
US11028322B2Jun 8, 2021
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
POSCO2 citations66
US12522937B2Jan 13, 2026
Steel sheet with improved yellowing resistance and phosphatability and manufacturing method thereof
POSCO0 citations60
US11332667B2May 17, 2022
Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby
POSCO0 citations56