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Inventor

YAN XIANWEI

CN6 patents
⚠️ This page may combine multiple inventors who share the name “YAN XIANWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAND HELD PROD INC

4 patents

HANGZHOU SILAN MICROELECT CO

1 patent

HAND HELD PRODUCTS INC

1 patent