P

Inventor

CHEN ZECHENG

US13 patents
⚠️ This page may combine multiple inventors who share the name “CHEN ZECHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WYETH LLC

5 patents

PFIZER

5 patents

VENKATESAN ARANAPAKAM MUDUMBAI

2 patents

CHEN ZECHENG

1 patent