Inventor · disambiguated record
Cherng-Daw Hwang
Also filed as: HWANG CHERNG-DAW
11 granted patents·5 pending applications·482 citations·filing 1998–2014
93Inventor score
Top patents by PatentIndex Score
16 records- 0194US7830409B2Split screen video in a multimedia communication systemHWANG CHERNG-DAW·Filed 2005·Granted Nov 9, 2010·47 cites·36 claims
- 0288US6535505B1Method and apparatus for providing a time-division multiplexing (TDM) interface among a high-speed data stream and multiple processorsCISCO TECH IND·Filed 1998·Granted Mar 18, 2003·97 cites·58 claims
- 0381US7245630B1Method and apparatus for routing integrated data, voice, and video trafficCISCO TECH INC·Filed 2003·Granted Jul 17, 2007·36 cites·81 claims
- 0476US6611531B1Method and apparatus for routing integrated data, voice, and video trafficCISCO TECH IND·Filed 1998·Granted Aug 26, 2003·95 cites·79 claims
- 0571US8126009B2Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS)CHUNG WING-KUEN·Filed 2007·Granted Feb 28, 2012·3 cites·26 claims
- 0669US6584108B1Method and apparatus for dynamic allocation of multiple signal processing resources among multiple channels in voice over packet-data-network systems (VOPS)CISCO TECH IND·Filed 1998·Granted Jun 24, 2003·69 cites·84 claims
- 0768US6763017B1Method and apparatus for voice port hunting of remote telephone extensions using voice over packet-data-network systems (VOPS)CISCO TECH IND·Filed 1998·Granted Jul 13, 2004·53 cites·70 claims
- 0858US2015222760A1Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (vops)CISCO TECH INC·Filed 2014·Application pending·0 cites
- 0956US7339924B1Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS)CISCO TECH INC·Filed 1998·Granted Mar 4, 2008·26 cites·34 claims
- 1053US7009962B1Method and apparatus for providing forwarding on ring-no-answer for remote telephone extensions using voice over packet-data-network systems (VOPS)CISCO TECH IND·Filed 1998·Granted Mar 7, 2006·23 cites·60 claims
- 1152US7058075B1Self-configuring interface for communication protocolsCISCO TECH INC·Filed 1999·Granted Jun 6, 2006·33 cites·15 claims
- 1251US8848695B2Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS)CHUNG WING-KUEN·Filed 2012·Granted Sep 30, 2014·0 cites·20 claims
- 1343US2005213557A1Multimedia communication and collaboration system and protocolsHWANG CHERNG-DAW·Filed 2004·Application pending·0 cites
- 1442US2007130601A1Internet protocol (IP) televisionLI WEIPING·Filed 2005·Application pending·0 cites
- 1539US2008037576A1Media broadcast over an internet protocol (IP) networkHWANG CHERNG-DAW·Filed 2005·Application pending·0 cites
- 1638US2006215630A1Feature scalability in a multimedia communication systemHWANG CHERNG-DAW·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Cherng-Daw Hwang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →