Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

John B. Cheng — 4 Patents

Pfizer: 3 patents #1,614 of 5,153Top 35%
Waterford, CT: #40 of 143 inventorsTop 30%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John B. Cheng has been granted 4 US patents while listed as an inventor at Pfizer. The first was granted in 1994 and the most recent in April 2005. John B. Cheng ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John B. Cheng in Waterford, CT, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6878522 Methods for the identification of compounds useful for the treatment of disease states mediated by prostaglandin D2 Baiyong LI, Kuldeep Neote, Ronald P. Gladue, Paul Bauer, Jiansu Zhang 2005-04-12
6380218 Nicotinamide derivatives Anthony Marfat, Robert J. Chambers, John W. Watson, Allen J. Duplantier, Edward F. Kleinman 2002-04-30 $143,968,000
5461056 Pyrimidone derivatives and analogs in the treatment of asthma or certain skin disorders 1995-10-24 $210,142,000
5342842 Pyrimidone derivatives and analogs in the treatment of asthma or certain skin disorders 1994-08-30 $116,765,000