Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pick-up device for use in an optical information recording system

Pick-up device for use in an optical information recording system

US Patent 4849825 · Granted Jul 18, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Foreground extraction apparatus, foreground extraction method, and recording med2025
Drain removal monitoring equipment2025
Image processing apparatus, image processing method, learning apparatus, learnin2025
Teaching data extending device, teaching data extending method, and program2025
Identification apparatus, object identification method, learning apparatus, lear2025
Quantum cryptographic device, quantum cryptographic communication fee calculatio2025
Electrochemical reaction device and electrochemical reaction method2024
Steam turbine2024
Bonded body of object to be bonded to and functional base material2024
Generation method, training data generation device and program2024
Substrate liquid processing apparatus2024
Substrate processing apparatus and substrate processing method2024