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Inventor

DOU YAN

CN8 patents
⚠️ This page may combine multiple inventors who share the name “DOU YAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD

3 patents

KING COM LTD

2 patents

ZHAO XU

1 patent

CHANGSHU INST TECH

1 patent

INSTITUTE OF URBAN SAFETY AND ENVIRONMENTAL SCIENCE BEIJING ACADEMY OF SCIENCE AND TECH

1 patent