Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electrolyte membrane for solid polymer fuel cells, membrane electrode assembly having said electrolyte membrane, and solid polymer fuel cell

Electrolyte membrane for solid polymer fuel cells, membrane electrode assembly having said electrolyte membrane, and solid polymer fuel cell

US Patent 9419301 · Granted Aug 16, 2016

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lid, mold, and lid manufacturing method2025
Membrane electrode assembly and fuel cell2025
Valve device and hot water supply device2025
Membrane electrode assembly for fuel cell, and fuel cell2025
Solid-state imaging element having partition wall disposed between optical filte2025
Fuel-cell cell2024
Vehicle imaging system and vehicle imaging method2024
Composition, film, dry film, pattern forming method, near-infrared transmitting 2024
Gas diffusion layer, membrane electrode assembly, fuel cell, and manufacturing m2024
Composition, film, infrared transmitting filter, and solid-state imaging element2024
Vehicle notification sound generation system2024
Ceramic electronic component2023