Inventor · disambiguated record
Norman C. Chan
Also filed as: CHAN NORMAN · CHAN NORMAN C · CHAN NORMAN CHIN-HUNG
15 granted patents·8 pending applications·665 citations·filing 1984–2021
94Inventor score
Top patents by PatentIndex Score
23 records- 0193US5897613AEfficient transmission of voice silence intervalsLUCENT TECHNOLOGIES INC·Filed 1997·Granted Apr 27, 1999·116 cites·21 claims
- 0292US5136707AReliable database administration arrangementAT & T BELL LAB·Filed 1988·Granted Aug 4, 1992·134 cites·29 claims
- 0389US6470077B1Apparatus and method for storage and accelerated playback of voice samples in a call centerAVAYA TECHNOLOGY CORP·Filed 2000·Granted Oct 22, 2002·60 cites·21 claims
- 0488US6925166B1Method and apparatus for generating automatic greetings in a call centerAVAYA TECHNOLOGY CORP·Filed 2000·Granted Aug 2, 2005·59 cites·26 claims
- 0587US4653085ATelephone switching system adjunct call processing arrangementAT & T CO·Filed 1984·Granted Mar 24, 1987·74 cites·13 claims
- 0679US6870807B1Method and apparatus for suppressing music on holdAVAYA TECHNOLOGY CORP·Filed 2000·Granted Mar 22, 2005·31 cites·27 claims
- 0777US6697456B2Speech analysis based answer detection for IP based telephonesAVAYA TECHNOLOGY CORP·Filed 2001·Granted Feb 24, 2004·22 cites·18 claims
- 0875US5659541AReducing delay in packetized voiceLUCENT TECHNOLOGIES INC·Filed 1995·Granted Aug 19, 1997·50 cites·5 claims
- 0973US4959856AAutomatic administration of a telecommunication systemAT & T BELL LAB·Filed 1989·Granted Sep 25, 1990·43 cites·43 claims
- 1070US5781615AFully distributed message storage facilities in a distributed switching systemLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jul 14, 1998·55 cites·42 claims
- 1160USD815212SChess board designCHAN NORMAN·Filed 2017·Granted Apr 10, 2018·10 cites·1 claims
- 1257US10607245B2Recommending virtual reward offers and awarding virtual rewardsTAPJOY INC·Filed 2014·Granted Mar 31, 2020·0 cites·26 claims
- 1350US7106856B1Method and apparatus for performing echo cancellation within a communication networkAVAYA TECHNOLOGY CORP·Filed 2000·Granted Sep 12, 2006·3 cites·16 claims
- 1446US2013185133A1Recommending virtual reward offers and awarding virtual rewardsTONG LINDA·Filed 2012·Application pending·0 cites
- 1545US2003086541A1Call classifier using automatic speech recognition to separately process speech and tonesFiled 2001·Application pending·0 cites
- 1645US2003081756A1Multi-detector call classifierFiled 2001·Application pending·0 cites
- 1743US7130793B2System and method for minimizing overrun and underrun errors in packetized voice transmissionAVAYA TECHNOLOGY CORP·Filed 2002·Granted Oct 31, 2006·0 cites·16 claims
- 1843US2022193534A1Unconventional variation on game of chessCHAN NORMAN·Filed 2021·Application pending·0 cites
- 1942US2004002865A1Apparatus and method for automatically updating call redirection databases utilizing semantic informationFiled 2002·Application pending·0 cites
- 2042US2003088403A1Call classification by automatic recognition of speechCHAN NORMAN C·Filed 2001·Application pending·0 cites
- 2141US2022118348A1Modified Chess GameCHAN NORMAN·Filed 2020·Application pending·0 cites
- 2239US2003083875A1Unified call classifier for processing speech and tones as a single information streamFiled 2001·Application pending·0 cites
- 2336US6424651B1Arrangement for performing automatic build out in a communications system that supports multiple constant-bit-rate connectionsAVAYA TECHNOLOGY CORP·Filed 1998·Granted Jul 23, 2002·8 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →