Inventor · disambiguated record
Koan S. Chong
Also filed as: CHONG KOAN S · CHONG KOAN SENG
11 granted patents·184 citations·filing 1998–2014
89Inventor score
Top patents by PatentIndex Score
11 records- 0189US7366782B2Systems and methods for termination of session initiation protocolAT & T CORP·Filed 2004·Granted Apr 29, 2008·65 cites·3 claims
- 0288US7657015B1Method and apparatus for processing multiple services per callAT & T CORP·Filed 2005·Granted Feb 2, 2010·12 cites·3 claims
- 0378US6377674B1Method for global title translation processingAT & T CORP·Filed 1998·Granted Apr 23, 2002·58 cites·27 claims
- 0472US8239554B2Systems and methods for termination of session initiation protocolCHONG KOAN S·Filed 2008·Granted Aug 7, 2012·5 cites·20 claims
- 0572US8121274B2Method and apparatus for processing multiple services per callBROWN JOHN C·Filed 2009·Granted Feb 21, 2012·3 cites·20 claims
- 0662US6205557B1Redundant call processingAT & T CORP·Filed 1998·Granted Mar 20, 2001·40 cites·24 claims
- 0760US8700786B2Systems and methods for termination of session initiation protocolCHONG KOAN S·Filed 2012·Granted Apr 15, 2014·1 cites·20 claims
- 0849US8787360B2Method and apparatus for processing multiple services per callBROWN JOHN C·Filed 2012·Granted Jul 22, 2014·0 cites·13 claims
- 0946US9973545B2Method and device for managing circuit switched data callsAT & T IP I LP·Filed 2014·Granted May 15, 2018·0 cites·20 claims
- 1038US7804822B2Method and apparatus for detecting subscriber service address changeAT & T IP II LP·Filed 2005·Granted Sep 28, 2010·0 cites·13 claims
- 1133US7920542B1Method and apparatus for providing secure voice/multimedia communications over internet protocolAT & T IP II LP·Filed 2005·Granted Apr 5, 2011·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →