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Inventor

HE YIFENG

CN7 patents
⚠️ This page may combine multiple inventors who share the name “HE YIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HE YIFENG

3 patents

CHINA PETROLEUM & CHEM CORP

2 patents

AWE COMPANY LTD

1 patent

KINAXIS INC

1 patent