Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CZ

Chunhao Zhang

Pfizer: 2 patents #2,078 of 5,153Top 45%
LaSalle, CA: #114 of 292 inventorsTop 40%
Overall (All Time): #2,136,532 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7622578 Scalable process for the preparation of a rapamycin 42-ester from a rapamycin 42-ester boronate Clifford William Coughlin, Anthony Pilcher, Adam P. Michaud, James S. Farina, Ayman Sahli 2009-11-24
7553843 Process for the preparation of purified crystalline CCI-779 Subodh Deshmukh, Clifford William Coughlin, Adam P. Michaud, Lynn Phelan, Wei Tong 2009-06-30