Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Polyphenylsulfone-based proton conducting polymer electrolyte, proton conducting solid polymer electrolyte membrane, electrode catalyst layer for solid polymer fuel cells, method for producing electrode catalyst layer for slid polymer fuel cells, and fuel cell

US Patent 10862151 · Granted Dec 8, 2020

Assignee

Inventors

View full patent text on Google Patents →