Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, electrode manufacturing method for use in ultrasonic transducer, ultrasonic transducer manufacturing method, superdirective acoustic system, and display device

US Patent 7769193 · Granted Aug 3, 2010

Assignee

Inventors

View full patent text on Google Patents →