Inventor · disambiguated record
Spencer Wang
Also filed as: WANG SPENCER · WANG SPENCER C
77 granted patents·1 pending application·8,515 citations·filing 1998–2017
99Inventor score
Top patents by PatentIndex Score
78 records- 0199US7760711B1Method for billing IP broadband subscribersAT & T IP II LP·Filed 2007·Granted Jul 20, 2010·258 cites·19 claims
- 0299US7289489B1Method for billing IP broadband subscribersAT & T CORP·Filed 2004·Granted Oct 30, 2007·345 cites·16 claims
- 0399US7181207B1Method and apparatus for over-the-air activation of neighborhood cordless-type servicesAT & T CORP·Filed 2005·Granted Feb 20, 2007·199 cites·2 claims
- 0499US6826173B1Enhanced subscriber IP alertingAT & T CORP·Filed 1999·Granted Nov 30, 2004·469 cites·2 claims
- 0599US6373817B1Chase me systemAT & T CORP·Filed 1999·Granted Apr 16, 2002·547 cites·17 claims
- 0699US6252952B1Personal user network (closed user network) PUN/CUNAT & T CORP·Filed 1999·Granted Jun 26, 2001·506 cites·7 claims
- 0798US6961559B1Distributed network voice messaging for wireless centrex telephonyAT & T CORP·Filed 2000·Granted Nov 1, 2005·325 cites·28 claims
- 0898US6775267B1Method for billing IP broadband subscribersAT & T CORP·Filed 1999·Granted Aug 10, 2004·572 cites·15 claims
- 0997US7180889B1Personal control of address assignment and greeting options for multiple BRG portsAT & T CORP·Filed 1999·Granted Feb 20, 2007·249 cites·23 claims
- 1097US6816469B1IP conference call waitingAT & T CORP·Filed 1999·Granted Nov 9, 2004·275 cites·2 claims
- 1196US7590422B1Neighborhood cordless service call handoffAT & T IP II LP·Filed 2007·Granted Sep 15, 2009·36 cites·2 claims
- 1296US6937713B1IP call forward profileAT & T CORP·Filed 1999·Granted Aug 30, 2005·235 cites·32 claims
- 1396US6917610B1Activity log for improved call efficiencyAT & T CORP·Filed 1999·Granted Jul 12, 2005·210 cites·7 claims
- 1495US7120139B1Broadband cable telephony network architecture IP ITN network architecture reference modelAT & T CORP·Filed 1999·Granted Oct 10, 2006·360 cites·16 claims
- 1594US6889321B1Protected IP telephony calls using encryptionAT & T CORP·Filed 1999·Granted May 3, 2005·253 cites·14 claims
- 1694US6570855B1Automatic call manager traffic gate featureAT & T CORP·Filed 1999·Granted May 27, 2003·238 cites·16 claims
- 1793US7496190B1System with call forward profileAT & T IP II LP·Filed 2005·Granted Feb 24, 2009·20 cites·9 claims
- 1893US6687360B2Personal IP follow-me serviceAT & T CORP·Filed 1999·Granted Feb 3, 2004·201 cites·6 claims
- 1991US6671262B1Conference server for automatic x-way call port expansion featureAT & T CORP·Filed 1999·Granted Dec 30, 2003·250 cites·11 claims
- 2090US9300699B2System with call forward profileSHORETEL INC·Filed 2014·Granted Mar 29, 2016·8 cites·28 claims
- 2190US6778832B1Neighborhood cordless service call handoffAT & T CORP·Filed 2002·Granted Aug 17, 2004·55 cites·4 claims
- 2289US6574470B1Programmable ring-call forwarding in a wireless centrex services systemAT & T CORP·Filed 1999·Granted Jun 3, 2003·149 cites·10 claims
- 2388US7558251B1Call hold with reminder and information pushAT & T IP II LP·Filed 2004·Granted Jul 7, 2009·46 cites·3 claims
- 2488US6680935B1Anonymous call rejectionAT & T CORP·Filed 1999·Granted Jan 20, 2004·200 cites·1 claims
- 2588US6633635B2Multiple call waiting in a packetized communication systemAT & T CORP·Filed 1999·Granted Oct 14, 2003·135 cites·19 claims
- 2688US6243572B1Method and apparatus for billing a neighborhood cordless serviceAT & T CORP·Filed 1998·Granted Jun 5, 2001·125 cites·10 claims
- 2787US8514846B2Responding to IP call with a prompt to select an extension and routing packets to IP phone at selected extensionKUNG FEN-CHUNG·Filed 2009·Granted Aug 20, 2013·10 cites·54 claims
- 2887US7564839B1Personal control of address assignment and greeting options for multiple BRG portsAT & T IP II LP·Filed 2007·Granted Jul 21, 2009·9 cites·5 claims
- 2987US6775273B1Simplified IP service controlAT & T CORP·Filed 1999·Granted Aug 10, 2004·166 cites·5 claims
- 3086US7805141B1Neighborhood cordless service call handoffAT & T IP II LP·Filed 2007·Granted Sep 28, 2010·9 cites·7 claims
- 3186US7734908B1Protected IP telephony calls using encryptionAT & T IP II LP·Filed 2004·Granted Jun 8, 2010·41 cites·16 claims
- 3286US6678265B1Local number portability database for on-net IP callAT & T CORP·Filed 1999·Granted Jan 13, 2004·160 cites·2 claims
- 3384US8054963B2System with call forward profileSHORETEL INC·Filed 2009·Granted Nov 8, 2011·6 cites·70 claims
- 3484US7738872B1Neighborhood cordless service call handoffAT & T IP II LP·Filed 2006·Granted Jun 15, 2010·8 cites·8 claims
- 3584US6470179B1Automatic service selection feature for neighborhood residential cordless serviceAT & T CORP·Filed 1998·Granted Oct 22, 2002·108 cites·11 claims
- 3683US7257404B1Neighborhood cordless service call handoffAT & T CORP·Filed 2004·Granted Aug 14, 2007·24 cites·2 claims
- 3783US6771953B1Wireless centrex call transferAT & T CORP·Filed 1999·Granted Aug 3, 2004·102 cites·40 claims
- 3881US6819945B1Wireless centrex feature activation/deactivationAT & T CORP·Filed 1999·Granted Nov 16, 2004·94 cites·20 claims
- 3981US6728239B1Scaleable network server for low cost PBXAT & T CORP·Filed 1999·Granted Apr 27, 2004·88 cites·14 claims
- 4081US6535730B1Wireless centrex conference call adding a partyAT & T CORP·Filed 1999·Granted Mar 18, 2003·100 cites·23 claims
- 4180US9167097B2Responding to a call with a prompt and routing the call to a phone selected in response to the promptSHORETEL INC·Filed 2013·Granted Oct 20, 2015·3 cites·20 claims
- 4280US6456839B1Method and apparatus for billing a neighborhood cordless serviceAT & T CORP·Filed 2000·Granted Sep 24, 2002·23 cites·23 claims
- 4378US8666053B2System with call forward profileKUNG FEN-CHUNG·Filed 2011·Granted Mar 4, 2014·3 cites·14 claims
- 4477US6690675B1User programmable fail-proof IP hotline/warm-lineAT & T CORP·Filed 1999·Granted Feb 10, 2004·98 cites·1 claims
- 4576US9578590B2Method and apparatus for over-the-air activation of neighborhood cordless servicesAT & T IP II LP·Filed 2014·Granted Feb 21, 2017·2 cites·10 claims
- 4676US6738615B1Wireless centrex caller IDAT & T CORP·Filed 1999·Granted May 18, 2004·73 cites·18 claims
- 4776US6546253B1Neighborhood cordless service call handoffAT & T CORP·Filed 1998·Granted Apr 8, 2003·62 cites·33 claims
- 4875US7075918B1BRG with PBX capabilitiesAT & T CORP·Filed 1999·Granted Jul 11, 2006·84 cites·1 claims
- 4975US6594488B1Method and apparatus for over-the-air activation of neighborhood cordless-type servicesAT & T CORP·Filed 1998·Granted Jul 15, 2003·63 cites·15 claims
- 5075US6553025B1Multiple routing and automatic network detection of a monitored call from an intercepted targeted IP phone to multiple monitoring locationsAT & T CORP·Filed 1999·Granted Apr 22, 2003·86 cites·9 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →