P

Inventor

HAN YOUNG CHANG

KR4 patents
⚠️ This page may combine multiple inventors who share the name “HAN YOUNG CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOOWON TECHNICAL COLLEGE

1 patent

DOOWON Technical Collge

1 patent

LEE GEONHO

1 patent

LEE GEON-HO

1 patent