Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and system for providing multimedia ring back tone service by using receiver-side switching center

Method and system for providing multimedia ring back tone service by using receiver-side switching center

US Patent 8103254 · Granted Jan 24, 2012

Estimated economic value: $19,369,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Current-to-voltage converter, transceiver, and wireless communication device2025
Method of preparing quantum dot, quantum dot, and electronic apparatus including2025
Quantum dot-containing material, and composition and electronic device including2025
Display device, mask assembly, and apparatus for manufacturing display device2025
Display panel and deposition apparatus2025
Frequency multiplier circuits having cross-coupled capacitors therein which supp2025
Display panel with spacers every four or more pixels2025
Display device, mask frame, and apparatus and method of manufacturing the displa2025
Display device including auxiliary sub-pixels having connected intermediate laye2025
Composition for organic optoelectronic device, organic optoelectronic device, an2025
Compound for organic optoelectronic device, composition for organic optoelectron2025
Display apparatus including layer with a plurality of parts having different ele2025