Masuhiro; Mao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Masuhiro; Mao.The latest application filed is for "internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfaces".

Company Profile

0.7.9

Masuhiro; Mao - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfaces Grant 8,462,767 - Masuhiro , et al. June 11, 2	2013-06-11
Client server distributed system, client apparatus, server apparatus, and message encryption method used therefor Grant 8,166,293 - Masuhiro , et al. April 24, 2	2012-04-24
Client distributed system and inter-client RTP encrypting method Grant 7,965,846 - Masuhiro , et al. June 21, 2	2011-06-21
IP telephony system, VoIP terminal, and method and program for reproducing hold sound or audible sound used therein Grant 7,668,155 - Omori , et al. February 23, 2	2010-02-23
Internet protocol compliant private branch electronic exchange and a method expanding the number of controlled terminal ports Grant 7,580,402 - Masuhiro , et al. August 25, 2	2009-08-25
Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfaces Grant 7,440,566 - Masuhiro , et al. October 21, 2	2008-10-21
Internet Protocol Compliant Private Branch Electronic Exchange And A Method For Redundantly Configuring Terminal Interfaces App 20080232356 - MASUHIRO; Mao ; et al.	2008-09-25
Client Server Distributed System, Server Apparatus, Client Apparatus, And Inter-client Rtp Encrypting Method Used For Them App 20080025516 - MASUHIRO; Mao ; et al.	2008-01-31
Client Server Distributed System, Client Apparatus, Server Apparatus, And Message Encryption Method Used Therefor App 20080028204 - MASUHIRO; Mao ; et al.	2008-01-31
Client Server Distributed System, Client Apparatus, Server Apparatus, And Mutual Authentication Method Used Therein App 20080028458 - MASUHIRO; Mao ; et al.	2008-01-31
IP telephony system, VoIP terminal, and method and program for reproducing hold sound or audible sound used therein App 20050100055 - Omori, Michiko ; et al.	2005-05-12
Maintenance interface user authentication method and apparatus in client/server type distribution system App 20040153560 - Masuhiro, Mao ; et al.	2004-08-05
Internet protocol compliant private branch electronic exchange and a method for redundantly configuring terminal interfaces App 20030202508 - Masuhiro, Mao ; et al.	2003-10-30
Internet Protocol compliant private branch electronic exchange and a method expanding the number of controlled terminal ports App 20030202648 - Masuhiro, Mao ; et al.	2003-10-30
ISDN rerouting device and ISDN rerouting method App 20010003522 - Masuhiro, Mao	2001-06-14

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