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Shigeaki Hakusui
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Boxford, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Virtual PBX based on feature server modules
Patent number
8,279,857
Issue date
Oct 2, 2012
Resource Consortium Limited
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual PBX based on feature server modules
Patent number
7,746,848
Issue date
Jun 29, 2010
Resource Consortium Limited
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Virtual PBX based on SIP and feature servers
Patent number
7,248,577
Issue date
Jul 24, 2007
Symbolic Intelligence Enhanced Systems, Inc.
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
VIRTUAL PBX BASED ON FEATURE SERVER MODULES
Publication number
20170257252
Publication date
Sep 7, 2017
Resource Consortium Limited
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual PBX based on Feature Server Modules
Publication number
20130003723
Publication date
Jan 3, 2013
Resource Consortium Limited
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual PBX based on Feature Server Modules
Publication number
20100246575
Publication date
Sep 30, 2010
Resource Consortium Limited
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cellular Television Broadcast System
Publication number
20100229205
Publication date
Sep 9, 2010
CELLULAR TERRESTRIAL BROADCASTING, LLC
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cellular television broadcast system
Publication number
20070061844
Publication date
Mar 15, 2007
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual PBX based on feature server modules
Publication number
20070047534
Publication date
Mar 1, 2007
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual PBX Based on SIP and Feature Servers
Publication number
20070019627
Publication date
Jan 25, 2007
SYMBOLIC INTELLIGENCE ENHANCED SYSTEMS, INC.
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Virtual PBX based on SIP and feature servers
Publication number
20040170268
Publication date
Sep 2, 2004
Shigeaki Hakusui
H04 - ELECTRIC COMMUNICATION TECHNIQUE