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Inventor

JANG YOUNGCHAN

KR10 patents
⚠️ This page may combine multiple inventors who share the name “JANG YOUNGCHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOREA KUMHO PETROCHEM CO LTD

3 patents

RYU SANG-HYO

2 patents

KIM DONG HWAN

2 patents

CHOI NAMSUN

1 patent

SUNG HYUN-KYUNG

1 patent

CHOI SANG KYU

1 patent