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

Hsien-Chang Wang

EXExxonMobil: 81 patents #43 of 10,161Top 1%
CFCornell Research Foundation: 4 patents #199 of 1,638Top 15%
ASAdvanced Elastomer Systems: 3 patents #17 of 85Top 20%
Dow Corning: 1 patents #971 of 1,768Top 55%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
ULUniversity Of Massachusetts Lowell: 1 patents #40 of 106Top 40%
Edison, NJ: #5 of 1,355 inventorsTop 1%
New Jersey: #342 of 69,400 inventorsTop 1%
Overall (All Time): #22,294 of 4,157,543Top 1%
81 Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
5182333 Production of rubbery isoolefin polymers Kenneth W. Powers, Debra C. Handy, James V. Fusco 1993-01-26
5182350 Ozone-resistant butyl elastomer James V. Fusco, Kenneth W. Powers 1993-01-26
5162445 Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof Kenneth W. Powers, T-C. Chung, Anthony J. Dias, Joseph A. Olkusz 1992-11-10
5071913 Rubbery isoolefin polymers exhibiting improved processability Kenneth W. Powers, Debra C. Handy, James V. Fusco 1991-12-10
5013793 Dynamically cured thermoplastic olefin polymers and process for producing the same Kenneth W. Powers, Robert C. Puydak, Narayanaswami Dharmarajan 1991-05-07
4474924 Stabilized slurries of isoolefin polymers Kenneth W. Powers 1984-10-02