Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separator

Polytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separator

US Patent 5286324 · Granted Feb 15, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Medical observation system, apparatus, control method, and imaging apparatus usi2025
Endoscope system, non-transitory computer readable medium, and method2025
Two-pack type coating composition2024
Medical observation system, apparatus, control method, and imaging apparatus usi2024
System with endoscope and image sensor and method for processing medical images2024
Superimposed-image display device2023
Tapered roller bearing2023
Tapered roller bearing2023
Tapered roller bearing2023
Rolling bearing2023
Tapered roller bearing2023
Image processing apparatus and control method of the same, orientation adjustmen2023