RC

Rae W. Chang

PC Pohang Iron & Steel Co.: 2 patents #28 of 233Top 15%
📍 Heunghae-eup, KR: #87 of 269 inventorsTop 35%
Overall (All Time): #2,277,976 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5507189 Apparatus for evaluating plane strain stretch formability, and method therefor Young-Sam Kim, Jeong Cheol Kim, Won Jun Choi, Ki-Soo Kim, Moon H. Yu 1996-04-16
5431753 Manufacturing process for austenitic high manganese steel having superior formability, strengths and weldability Tai Woung Kim, Jae-Kwang Han, Young Gil Kim 1995-07-11