Inventor · disambiguated record
Hwey Chang
Also filed as: CHANG HWEY
4 granted patents·1 pending application·13 citations·filing 2000–2007
69Inventor score
Top patents by PatentIndex Score
5 records- 0165US6771762B1System and method for call merge to an AIN SSP from an intelligent peripheralAT & T CORP·Filed 2000·Granted Aug 3, 2004·8 cites·23 claims
- 0262US6980632B1Method and system for providing billing capability for a service node in an advanced intelligent network environmentAT & T CORP·Filed 2001·Granted Dec 27, 2005·5 cites·12 claims
- 0352US7929674B1Method and system for providing billing capability for a service node in an advanced intelligent network environmentAT & T IP II LP·Filed 2007·Granted Apr 19, 2011·0 cites·19 claims
- 0448US7257208B2Method and system for providing billing capability for a service node in an advanced intelligent network environmentAT & T CORP·Filed 2005·Granted Aug 14, 2007·0 cites·12 claims
- 0537US2003108179A1System and method for AIN SSP and SCP to support differentiated telecommunications services using a multi-function service nodeFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →