Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Internet based telephone apparatus

Internet based telephone apparatus

US Patent 6876648 · Granted Apr 5, 2005

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Negative electrode and secondary battery including negative electrode2025
Secondary battery electrode including mixture layer of double layer structure co2024
Method of preparing positive electrode active material for secondary battery2024
Method for recovering positive electrode active material from lithium secondary 2021
Positive electrode active material for secondary battery and method for preparin2020
Positive electrode active material for secondary battery and secondary battery i2019
Precursor of electrode active material coated with metal and method of preparing2019
Positive electrode active material for secondary battery, and secondary battery 2019
Cathode active material and lithium secondary battery including the same, and me2018
Combined front glass and bezel for portable wrist-worn device2018
Surface-treatment method of cathode active material and cathode active material 2017
Check valve driving device for injecting gas2017