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Inventor

ZHANG GUIFEN

US12 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG GUIFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRISTOL MYERS SQUIBB CO

10 patents

CSTONE PHARMACEUTICALS (SUZHOU) CO LTD

1 patent

WITTMAN MARK D

1 patent