Inventor · disambiguated record
Wai Sum Lai
Also filed as: LAI WAI · LAI WAI S · LAI WAI SUM
15 granted patents·291 citations·filing 1993–2020
93Inventor score
Top patents by PatentIndex Score
15 records- 0191US8553544B2Reliability metrics in an IP networkLAI WAI SUM·Filed 2010·Granted Oct 8, 2013·26 cites·18 claims
- 0291US7872983B2Reliability metrics in an IP networkAT & T IP I LP·Filed 2008·Granted Jan 18, 2011·30 cites·20 claims
- 0389US5920571AFrequency channel and time slot assignments in broadband access networksLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jul 6, 1999·114 cites·26 claims
- 0486US8773992B2Methods and apparatus for hierarchical routing in communication networksLAI WAI SUM·Filed 2010·Granted Jul 8, 2014·13 cites·20 claims
- 0585US7269159B1Upstream bandwidth allocation for packet telephony in a shared-media packet-switched access networkAT & T CORP·Filed 2000·Granted Sep 11, 2007·46 cites·22 claims
- 0683US7177324B1Network having bandwidth sharingAT & T CORP·Filed 2001·Granted Feb 13, 2007·34 cites·18 claims
- 0780US10742483B2Network fault originator identification for virtual network infrastructureAT & T IP I LP·Filed 2018·Granted Aug 11, 2020·3 cites·17 claims
- 0879US10484265B2Dynamic update of virtual network topologyAT & T IP I LP·Filed 2017·Granted Nov 19, 2019·3 cites·18 claims
- 0976US10348749B2Method and apparatus for detecting port scans in a networkAT & T IP I LP·Filed 2018·Granted Jul 9, 2019·2 cites·20 claims
- 1074US9948661B2Method and apparatus for detecting port scans in a networkAT & T IP I LP·Filed 2014·Granted Apr 17, 2018·3 cites·20 claims
- 1165US7961753B1Network having bandwidth sharingAT & T IP II LP·Filed 2005·Granted Jun 14, 2011·2 cites·19 claims
- 1259US8059659B1Network having bandwidth sharingCHOUDHURY GAGAN LAL·Filed 2007·Granted Nov 15, 2011·2 cites·19 claims
- 1357US11296923B2Network fault originator identification for virtual network infrastructureAT & T IP I LP·Filed 2020·Granted Apr 5, 2022·0 cites·20 claims
- 1457US10673877B2Method and apparatus for detecting port scans in a networkAT & T IP I LP·Filed 2019·Granted Jun 2, 2020·0 cites·20 claims
- 1538US5450577AZero-defect data integrity in high-capacity transaction systemsAT & T CORP·Filed 1993·Granted Sep 12, 1995·13 cites·37 claims
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