Inventor

CHANG WOONG-SEONG

KR2 patents

⚠️ This page may combine multiple inventors who share the name “CHANG WOONG-SEONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RES INST IND SCIENCE & TECH

1 patent

US7322508B2Jan 29, 2008

Tool, apparatus, and method for welding workpieces

RES INST IND SCIENCE & TECH29 citations85

CHUN CHANG-KUN

1 patent

US8590767B2Nov 26, 2013

Method for welding hollow structure

CHUN CHANG-KUN2 citations45