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Akira Kaiyama
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Authentication system, mobile terminal, and authentication method
Patent number
7,401,357
Issue date
Jul 15, 2008
NTT DoCoMo, Inc.
Tooru Hasegawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication request processing system communication request proce...
Patent number
7,130,402
Issue date
Oct 31, 2006
NTT DoCoMo, Inc.
Fumiko Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication control method and system
Patent number
6,985,730
Issue date
Jan 10, 2006
NTT DoCoMo, Inc.
Toru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication service control system and mobile communicatio...
Patent number
6,937,859
Issue date
Aug 30, 2005
NTT DoCoMo, Inc.
Tooru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications control system, communications control method, servi...
Patent number
6,907,240
Issue date
Jun 14, 2005
NTT DoCoMo, Inc.
Takashi Tosaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Short cell multiplexed ATM transmission system and transmission method
Patent number
6,671,289
Issue date
Dec 30, 2003
NTT Mobile Communications Network, Inc.
Motoshi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system for supporting multiple simultaneous co...
Patent number
6,314,300
Issue date
Nov 6, 2001
NTT Mobile Communications Network Inc.
Akiko Nakashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for CDMA mobile communication
Patent number
5,673,260
Issue date
Sep 30, 1997
NTT Mobile Communications Network Inc.
Narumi Umeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile radio communications system
Patent number
5,615,210
Issue date
Mar 25, 1997
NTT Mobile Communications Network Inc.
Akira Kaiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication request processing system communication request proce...
Publication number
20030152206
Publication date
Aug 14, 2003
NTT DoCoMo, Inc.
Fumiko Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communications control system, communications control method, servi...
Publication number
20030129972
Publication date
Jul 10, 2003
NTT DoCoMo, Inc.
Takashi Tosaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Authentication system, mobile terminal, and authentication method
Publication number
20030120916
Publication date
Jun 26, 2003
NTT DoCoMo, Inc.
Tooru Hasegawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information insertion service providing system, information inserti...
Publication number
20030110081
Publication date
Jun 12, 2003
NTT DoCoMo, Inc.
Takashi Tosaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Service information providing system, service information providing...
Publication number
20030092431
Publication date
May 15, 2003
NTT DoCoMo, Inc.
Fumiko Kawaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information acquisition system and information acquisition method
Publication number
20030083053
Publication date
May 1, 2003
NTT DoCoMo, Inc.
Takashi Tosaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication control method and system
Publication number
20030027575
Publication date
Feb 6, 2003
NTT DoCoMo, Inc.
Toru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication service control system and mobile communicatio...
Publication number
20020077100
Publication date
Jun 20, 2002
NTT DoCoMo, Inc.
Tooru Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE