Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multifocal contact lens and method and molding die for manufacturing contact lens

Multifocal contact lens and method and molding die for manufacturing contact lens

US Patent 5541678 · Granted Jul 30, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Toner and two-component developer2024
Frequency detection circuit2023
Wireless power transmitting device2023
Dielectric heating device and dielectric heating electrodes2022
Semiconductor device2022
Toner, two-component developer, and method for producing toner2020
Progressive addition lens2020
Progressive addition lens2019
Toner2018
Lens set, method of designing lens and method of manufacturing lens2017
Printed circuit board2017
Rack-and-pinion steering gear unit2017