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Inventor

LIU KUAN-CHIH

TW7 patents
⚠️ This page may combine multiple inventors who share the name “LIU KUAN-CHIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROGENT TECH INC

4 patents

METAL IND RES & DEV CT

2 patents

LIU KUAN-CHIH

1 patent