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Toshiro Kawahara
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Yokosuka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fast active scanning wireless network apparatus and method
Patent number
8,340,665
Issue date
Dec 25, 2012
NTT DoCoMo, Inc.
Moo Ryong Jeong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for interleaving and method and device for de-int...
Patent number
7,469,365
Issue date
Dec 23, 2008
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for interleaving and method and device for de-int...
Patent number
7,428,667
Issue date
Sep 23, 2008
NTT Mobile Communications Networks, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication system with packets classification, division a...
Patent number
7,263,064
Issue date
Aug 28, 2007
NTT DoCoMo, Inc.
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for interleaving and method and device for de-int...
Patent number
7,191,369
Issue date
Mar 13, 2007
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for packet transmission with header compression
Patent number
7,061,936
Issue date
Jun 13, 2006
NTT DoCoMo, Inc.
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Content distribution system, copyright protection system and conten...
Patent number
7,007,173
Issue date
Feb 28, 2006
NTT DoCoMo, Inc.
Takashi Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device and method for reducing delay jitter in data transmission
Patent number
6,985,501
Issue date
Jan 10, 2006
NTT DoCoMo, Inc.
Takashi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gateway for reducing delay jitter and method for data transfer therein
Patent number
6,922,731
Issue date
Jul 26, 2005
NTT DoCoMo, Inc.
Masashi Morioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for frame transmission
Patent number
6,876,631
Issue date
Apr 5, 2005
NTT DoCoMo, Inc.
Takashi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for interleaving and method and device for deinte...
Patent number
6,871,302
Issue date
Mar 22, 2005
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of transmitting variable-length frame, transmitter, and rece...
Patent number
6,744,784
Issue date
Jun 1, 2004
NTT Mobile Communications Network Inc.
Nobuhiko Naka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data sequence generator, transmitter, information data decoder, rec...
Patent number
6,522,665
Issue date
Feb 18, 2003
NTT DoCoMo, Inc.
Takashi Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Error protection method and error protection device
Patent number
6,434,718
Issue date
Aug 13, 2002
NTT DoCoMo Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for packet transmission with header compression
Patent number
6,385,199
Issue date
May 7, 2002
NTT Mobile Communications Network
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for detecting double-talk, and echo canceler
Patent number
6,272,106
Issue date
Aug 7, 2001
NIT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission device
Patent number
6,202,188
Issue date
Mar 13, 2001
NTT Mobile Communication Network Inc.
Takashi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Echo canceler and method for learning for the same
Patent number
6,061,444
Issue date
May 9, 2000
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pseudo fixed data transmission device and method
Patent number
5,886,652
Issue date
Mar 23, 1999
NTT Mobile Communications Network, Inc.
Satoru Adachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Echo canceler and echo path estimating method
Patent number
5,859,907
Issue date
Jan 12, 1999
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent near-end speech detection
Patent number
5,752,229
Issue date
May 12, 1998
Lucent Technologies Inc.
Donald Lars Duttweiler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Fast Active Scanning Wireless Network Apparatus and Method
Publication number
20090207758
Publication date
Aug 20, 2009
Moo Ryong Jeong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and device for interleaving and method and device for de-int...
Publication number
20070038903
Publication date
Feb 15, 2007
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and device for interleaving and method and device for de-int...
Publication number
20070038902
Publication date
Feb 15, 2007
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and device for interleaving and method and device for de-int...
Publication number
20050005223
Publication date
Jan 6, 2005
NTT Mobile Communications Network, Inc.
Toshiro Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication quality control scheme using real time packet transmi...
Publication number
20020136162
Publication date
Sep 26, 2002
NTT DoCoMo, Inc.
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet transmission method and system, and packet transmitting appa...
Publication number
20020126675
Publication date
Sep 12, 2002
NTT DoCoMo, Inc.
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Content distribution system, copyright protection system and conten...
Publication number
20020091925
Publication date
Jul 11, 2002
NTT DoCoMo, Inc.
Takashi Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Device and method for reducing delay jitter in data transmission
Publication number
20020009054
Publication date
Jan 24, 2002
Takashi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for packet transmission with header compression
Publication number
20010048680
Publication date
Dec 6, 2001
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for packet transmission with header compression
Publication number
20010030963
Publication date
Oct 18, 2001
Takeshi Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for frame transmission
Publication number
20010019558
Publication date
Sep 6, 2001
Takashi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE