Inventor · disambiguated record
Mao Masuhiro
Also filed as: MASUHIRO MAO
6 granted patents·3 pending applications·27 citations·filing 2000–2008
78Inventor score
Top patents by PatentIndex Score
9 records- 0170US7580402B2Internet protocol compliant private branch electronic exchange and a method expanding the number of controlled terminal portsNEC INFRONTIA CORP·Filed 2003·Granted Aug 25, 2009·10 cites·10 claims
- 0267US7440566B2Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfacesNEC INFRONTIA CORP·Filed 2003·Granted Oct 21, 2008·9 cites·6 claims
- 0361US8166293B2Client server distributed system, client apparatus, server apparatus, and message encryption method used thereforMASUHIRO MAO·Filed 2007·Granted Apr 24, 2012·3 cites·43 claims
- 0457US7668155B2IP telephony system, VoIP terminal, and method and program for reproducing hold sound or audible sound used thereinNEC CORP·Filed 2004·Granted Feb 23, 2010·4 cites·52 claims
- 0556US7965846B2Client distributed system and inter-client RTP encrypting methodNEC INFRONTIA CORP·Filed 2007·Granted Jun 21, 2011·1 cites·42 claims
- 0647US8462767B2Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfacesMASUHIRO MAO·Filed 2008·Granted Jun 11, 2013·0 cites·11 claims
- 0744US2008028458A1Client server distributed system, client apparatus, server apparatus, and mutual authentication method used thereinNEC INFRONTIA CORP·Filed 2007·Application pending·0 cites
- 0844US2004153560A1Maintenance interface user authentication method and apparatus in client/server type distribution systemNEC CORP·Filed 2003·Application pending·0 cites
- 0935US2001003522A1ISDN rerouting device and ISDN rerouting methodNEC CORP·Filed 2000·Application pending·0 cites
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