Inventor · disambiguated record
Kelvin Cheung
Also filed as: CHEUNG KELVIN · CHEUNG KELVIN LEONARD
3 granted patents·53 citations·filing 2008–2014
73Inventor score
Technology areasH04L
Top patents by PatentIndex Score
3 records- 0188US8804697B1Distributed call routing in a VoIP systemCAPPER SIMON·Filed 2008·Granted Aug 12, 2014·25 cites·18 claims
- 0285US9319531B1Distributed call routing in a VoIP systemOOMA INC·Filed 2014·Granted Apr 19, 2016·9 cites·7 claims
- 0382US10469556B2System and method for providing audio cues in operation of a VoIP serviceFRAME ANDREW·Filed 2008·Granted Nov 5, 2019·19 cites·27 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →