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Tomoyuki Ohtani
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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
RE43296
Issue date
Apr 3, 2012
NTT DoCoMo, Inc.
Tomoyuki Ohtani
455 - Telecommunications
Information
Patent Grant
Center for a mobile communication system performing diversity handover
Patent number
8,090,373
Issue date
Jan 3, 2012
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system and mobile station performing diversity...
Patent number
8,064,908
Issue date
Nov 22, 2011
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
7,873,014
Issue date
Jan 18, 2011
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
7,570,950
Issue date
Aug 4, 2009
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame synchronization circuit
Patent number
7,403,489
Issue date
Jul 22, 2008
NTT Mobile Communications Network Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
7,403,777
Issue date
Jul 22, 2008
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame synchronization circuit
Patent number
7,362,715
Issue date
Apr 22, 2008
NTT Mobile Comunications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
7,289,809
Issue date
Oct 30, 2007
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet transmission method, packet transmission system and packet d...
Patent number
7,010,302
Issue date
Mar 7, 2006
NTT DoCoMo, Inc.
Akihisa Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame synchronization circuit
Patent number
6,977,903
Issue date
Dec 20, 2005
NTT Mobile Communications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station and diversity handover...
Patent number
6,807,420
Issue date
Oct 19, 2004
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile radio communication system, mobile station, and method for c...
Patent number
6,728,227
Issue date
Apr 27, 2004
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for handover
Patent number
6,591,104
Issue date
Jul 8, 2003
NTT Mobile Communications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for handover
Patent number
6,470,188
Issue date
Oct 22, 2002
NTT Mobile Communications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MOBILE COMMUNICATION SYSTEM AND MOBILE STATION PERFORMING DIVERSITY...
Publication number
20110032905
Publication date
Feb 10, 2011
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM AND MOBILE STATION PERFORMING DIVERSITY...
Publication number
20090011766
Publication date
Jan 8, 2009
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, MOBILE STATION AND DIVERSITY HANDOVER...
Publication number
20080056197
Publication date
Mar 6, 2008
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frame synchronization circuit
Publication number
20070259666
Publication date
Nov 8, 2007
NTT Mobile Communications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, MOBILE STATION AND DIVERSITY HANDOVER...
Publication number
20070058589
Publication date
Mar 15, 2007
NTT DoCoMo, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frame synchronization circuit
Publication number
20060171328
Publication date
Aug 3, 2006
NTT Mobile Communications Network, Inc.
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, mobile station and diversity handover...
Publication number
20060128386
Publication date
Jun 15, 2006
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, mobile station and diversity handover...
Publication number
20040180662
Publication date
Sep 16, 2004
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of providing vehicle information and vehicle information pro...
Publication number
20040111280
Publication date
Jun 10, 2004
FUJITSU LIMITED
Tomoyuki Ohtani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Mobile communication system, mobile station and diversity handover...
Publication number
20030157936
Publication date
Aug 21, 2003
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for handover
Publication number
20020151306
Publication date
Oct 17, 2002
Tomoyuki Ohtani
H04 - ELECTRIC COMMUNICATION TECHNIQUE