Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › IP telephone system, IP telephone apparatus and communications method

IP telephone system, IP telephone apparatus and communications method

US Patent 7715367 · Granted May 11, 2010

Estimated economic value: $122,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Positioning device, speed measuring device, and computer program product2024
Method for producing hydrogen and carboxylic acid2024
Communication system and communication method2024
Reception device, communication system, and recording medium2023
Ultrasonic image construction method, apparatus and signal-processing method2023
Wireless communication terminal, access point, wireless communication system, wi2023
Azimuth estimation device2022
Wireless communication device, wireless communication system, wireless communica2022
Surface property measurement method, surface property measurement apparatus, and2022
Ultrasonic measurement method, ultrasonic measurement apparatus, and program sto2022
Ultrasonic image construction method, ultrasonic image construction apparatus, u2021
Method and device for manufacturing bearing unit2021