Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sound reproducer

Sound reproducer

US Patent 4933768 · Granted Jun 12, 1990

Estimated economic value: $5,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for manufacturing optical modulator, testing method, non-transitory stora2025
Method for manufacturing optical modulator, testing method, non-transitory stora2024
Power conversion system and method for controlling power conversion system2023
Power converter control system using fixed pulse pattern, and control method2023
Serial multiplex inverter control device2023
Power conversion system2023
Optical transmitter, method for controlling the same, and non-transitory compute2022
Inverter system and inverter system control method2022
Optical modulator2022
Methods for growing light emitting devices under ultra-violet illumination2021
Optical modulator2021
Electronic module and method for manufacturing same2021