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

Levi J. Irwin

EEEsionic Es: 7 patents #1 of 9Top 15%
RIRochal Industries: 1 patents #7 of 9Top 80%
TSTexas A&M University System: 1 patents #649 of 1,706Top 40%
College Station, TX: #101 of 1,144 inventorsTop 9%
Texas: #16,798 of 125,132 inventorsTop 15%
Overall (All Time): #573,960 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8927775 Phosphonium ionic liquids, salts, compositions, methods of making and devices formed there from Benjamin Rupert, Leanne Beer, Shilpa A. Worlikar, Steven Z. Shi 2015-01-06
8907133 Electrolyte compositions and electrochemical double layer capacitors formed there from Wayne L. Gellett, Benjamin Rupert, Leanne Beer, Shilpa A. Worlikar, Steven Z. Shi 2014-12-09
8846246 Phosphonium ionic liquids, compositions, methods of making and electrolytic films formed there from J. Adrian Hawkins, David A. Hudgins 2014-09-30
8778534 Phosphonium ionic liquids, compositions, methods of making and batteries formed there from J. Adrian Hawkins, David A. Hudgins 2014-07-15
8586798 Heat transfer medium, phosphonium ionic liquids, and methods of making J. Adrian Hawkins, David A. Hudgins 2013-11-19
8586797 Phosphonium ionic liquids, compositions, methods of making and devices formed there from J. Adrian Hawkins, David A. Hudgins 2013-11-19
8525155 Phosphonium ionic liquids, compositions, methods of making and electronic devices formed there from J. Adrian Hawkins, David A. Hudgins 2013-09-03
8263720 Sacrificial adhesive coatings Joseph C. Salamone, Ann Beal Salamone, Xiang Yu 2012-09-11
7214749 Catalyst system for high activity and stereoselectivity in the homopolymerization and copolymerization of olefins Stephen A. Miller 2007-05-08