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Inventor

ZHANG YA NAN

CN12 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG YA NAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

6 patents

UTOPUS INSIGHTS INC

5 patents

HEFEI XUANQING E COMMERCE CO LTD

1 patent