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

Joseph N Christopher

EXExxonMobil: 3 patents #3,051 of 10,161Top 35%
ANAkzo Nobel N.V.: 1 patents #670 of 1,625Top 45%
League City, TX: #121 of 561 inventorsTop 25%
Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,256,941 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6984722 Cationic group 3 catalyst system Kevin R. Squire, Jo Ann M. Canich, Timothy D. Shaffer 2006-01-10
6677441 Cationic group 3 catalyst system Kevin R. Squire, Jo Ann M. Canich, Timothy D. Shaffer 2004-01-13
6482968 Purification of an organometallic compound Nam H. Tran, Timothy J. Michalec 2002-11-19
6403773 Cationic group 3 catalyst system Kevin R. Squire, Jo Ann M. Canich, Timothy D. Shaffer 2002-06-11