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Yasuhisa Hayashi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packet switching system, packet switching method, routing apparatus...
Patent number
7,826,461
Issue date
Nov 2, 2010
NTT DoCoMo, Inc.
Takatoshi Okagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications system, communications method, network manager, and...
Patent number
7,818,363
Issue date
Oct 19, 2010
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Location register and accommodation transfer control method
Patent number
7,702,332
Issue date
Apr 20, 2010
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Router, terminal apparatus, communication system and routing method
Patent number
7,408,879
Issue date
Aug 5, 2008
NTT DoCoMo, Inc.
Manhee Jo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Incoming call forwarding communication system and the method
Patent number
7,145,999
Issue date
Dec 5, 2006
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Handover control method and handover path determination for use in...
Patent number
6,970,707
Issue date
Nov 29, 2005
NTT DoCoMo, Inc.
Ken Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PACKET SWITCHING SYSTEM, PACKET SWITCHING METHOD, ROUTING APPARATUS...
Publication number
20080013549
Publication date
Jan 17, 2008
NTT DoCoMo, Inc.
Takatoshi Okagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATIONS SYSTEM, COMMUNICATIONS METHOD, NETWORK MANAGER, AND...
Publication number
20080008184
Publication date
Jan 10, 2008
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Location register and accommodation transfer control method
Publication number
20070049271
Publication date
Mar 1, 2007
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communications system, communications method, network manager, and...
Publication number
20030167341
Publication date
Sep 4, 2003
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet switching system, packet switching method, routing apparatus...
Publication number
20030142679
Publication date
Jul 31, 2003
NTT DoCoMo, Inc.
Takatoshi Okagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Router, terminal apparatus, communication system and routing method
Publication number
20030112753
Publication date
Jun 19, 2003
NTT DoCoMo, Inc.
Manhee Jo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Handover control method and apparatus, and mobile communication system
Publication number
20020137515
Publication date
Sep 26, 2002
NTT DoCoMo, Inc.
Ken Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Incoming call forwarding communication system and the method
Publication number
20020061099
Publication date
May 23, 2002
NTT DoCoMo, Inc.
Yasuhisa Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE