Tomoyuki Ohya

Person

Yokohama-shi Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Propagation path estimation method and program and apparatus using...
- Patent number 9,337,942
- Issue date May 10, 2016
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Propagation path estimation method and program and apparatus using...
- Patent number 9,264,157
- Issue date Feb 16, 2016
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting/receiving device, wireless terminal device and wireles...
- Patent number 9,031,009
- Issue date May 12, 2015
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus having mushroom structures
- Patent number 8,988,287
- Issue date Mar 24, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus having mushroom structures
- Patent number 8,952,849
- Issue date Feb 10, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus having mushroom structures
- Patent number 8,847,822
- Issue date Sep 30, 2014
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reflectarray
- Patent number 8,836,583
- Issue date Sep 16, 2014
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus having mushroom structures
- Patent number 8,830,126
- Issue date Sep 9, 2014
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus having mushroom structures
- Patent number 8,779,984
- Issue date Jul 15, 2014
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radio station, transmitting station, and frequency band sharing method
- Patent number 8,700,078
- Issue date Apr 15, 2014
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay apparatus and relay method
- Patent number 8,693,527
- Issue date Apr 8, 2014
- NTT DoCoMo, Inc.
- Jiyun Shen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal generation device and signal generation method
- Patent number 8,542,758
- Issue date Sep 24, 2013
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication method and radio base station
- Patent number 8,521,174
- Issue date Aug 27, 2013
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal detection apparatus and signal detection method for use in r...
- Patent number 8,503,944
- Issue date Aug 6, 2013
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for voice activity detection
- Patent number 8,442,817
- Issue date May 14, 2013
- NTT DoCoMo, Inc.
- Nobuhiko Naka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Radio station, transmitting station, and frequency band sharing method
- Patent number 8,396,498
- Issue date Mar 12, 2013
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communications system and radio communications method
- Patent number 8,320,836
- Issue date Nov 27, 2012
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controller and method for use in radio station in radio communicati...
- Patent number 8,315,569
- Issue date Nov 20, 2012
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication control device, radio communication control sys...
- Patent number 8,249,578
- Issue date Aug 21, 2012
- NTT DoCoMo, Inc.
- Kengo Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmitter-receiver, bidirectional data transmitting system,...
- Patent number 7,831,209
- Issue date Nov 9, 2010
- NTT DoCoMo, Inc.
- Yasuyo Yasuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal encoding apparatus, signal encoding method, and program
- Patent number 7,505,900
- Issue date Mar 17, 2009
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Data receiving apparatus and data receiving method
- Patent number 7,502,316
- Issue date Mar 10, 2009
- NTT DoCoMo, Inc.
- Takeshi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encoding and decoding method and apparatus using rising-transition...
- Patent number 7,406,410
- Issue date Jul 29, 2008
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Coding device, decoding device, and methods thereof
- Patent number 7,363,231
- Issue date Apr 22, 2008
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for distributing content data over a network
- Patent number 6,952,712
- Issue date Oct 4, 2005
- NTT DoCoMo, Inc.
- Takeshi Yoshimura
- G06 - COMPUTING CALCULATING COUNTING
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
Variable length coded data transmission device, transmitter side de...
- Patent number 6,115,425
- Issue date Sep 5, 2000
- NTT Mobile Communications Networks, Inc.
- Satoru Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Updating internal states of a speech decoder after errors have occu...
- Patent number 6,085,158
- Issue date Jul 4, 2000
- NTT Mobile Communications Network Inc.
- Nobuhiko Naka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
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

Patents Applicationslast 30 patents

Information Patent Application
BROADCAST CONTENT TRANSMITTING APPARATUS AND BROADCAST CONTENT RECE...
- Publication number 20130144986
- Publication date Jun 6, 2013
- MITSUBISHI ELECTRIC CORPORATION
- Akira Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BROADCAST SUPPLEMENTAL DATA TRANSMISSION DEVICE AND BROADCAST SUPPL...
- Publication number 20130124677
- Publication date May 16, 2013
- MITSUBISHI ELECTRIC CORPORATION
- Hosei Matsuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO STATION, TRANSMITTING STATION, AND FREQUENCY BAND SHARING METHOD
- Publication number 20130059616
- Publication date Mar 7, 2013
- NTT DoCoMo, Inc.
- Horoki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROPAGATION PATH ESTIMATION METHOD AND PROGRAM AND APPARATUS USING...
- Publication number 20120303328
- Publication date Nov 29, 2012
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROPAGATION PATH ESTIMATION METHOD AND PROGRAM AND APPARATUS USING...
- Publication number 20120302177
- Publication date Nov 29, 2012
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION METHOD AND RADIO BASE STATION
- Publication number 20120178467
- Publication date Jul 12, 2012
- NTT DoCoMo, Inc.
- Hiromasa FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REFLECTARRAY
- Publication number 20120105305
- Publication date May 3, 2012
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELAY APPARATUS AND RELAY METHOD
- Publication number 20120057619
- Publication date Mar 8, 2012
- NTT DoCoMo, Inc.
- Jiyun Shen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REFLECT ARRAY
- Publication number 20120050127
- Publication date Mar 1, 2012
- TOHOKU UNIVERSITY
- Tamami MARUYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REFLECTOR APPARATUS, RADIO BASE STATION AND RADIO COMMUNICATION METHOD
- Publication number 20110244786
- Publication date Oct 6, 2011
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNAL GENERATION DEVICE AND SIGNAL GENERATION METHOD
- Publication number 20110235740
- Publication date Sep 29, 2011
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS HAVING MUSHROOM STRUCTURES
- Publication number 20110210906
- Publication date Sep 1, 2011
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS HAVING MUSHROOM STRUCTURES
- Publication number 20110210904
- Publication date Sep 1, 2011
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS HAVING MUSHROOM STRUCTURES
- Publication number 20110210905
- Publication date Sep 1, 2011
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNAL DETECTION APPARATUS AND SIGNAL DETECTION METHOD FOR USE IN R...
- Publication number 20110165851
- Publication date Jul 7, 2011
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING/RECEIVING DEVICE, WIRELESS TERMINAL DEVICE AND WIRELES...
- Publication number 20110134855
- Publication date Jun 9, 2011
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO BASE STATION, RELAY APPARATUS AND RADIO COMMUNICATION METHOD
- Publication number 20110136525
- Publication date Jun 9, 2011
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATIONS SYSTEM AND RADIO COMMUNICATIONS METHOD
- Publication number 20100248638
- Publication date Sep 30, 2010
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROLLER AND METHOD FOR USE IN RADIO STATION IN RADIO COMMUNICATI...
- Publication number 20100233963
- Publication date Sep 16, 2010
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION CONTROL DEVICE, RADIO COMMUNICATION CONTROL SYS...
- Publication number 20080032684
- Publication date Feb 7, 2008
- NTT DoCoMo, Inc.
- Kengo Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATIONS SYSTEM, BASE STATION, MEASUREMENT APPARATUS...
- Publication number 20070218914
- Publication date Sep 20, 2007
- NTT DoCoMo, Inc.
- Shinichi Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transmitter-receiver, bidirectional data transmitting system,...
- Publication number 20060236159
- Publication date Oct 19, 2006
- NTT DoCoMo, Inc.
- Yasuyo Yasuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data receiving apparatus and data receiving method
- Publication number 20050185585
- Publication date Aug 25, 2005
- NTT DoCoMo, Inc.
- Takeshi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for voice activity detection
- Publication number 20050171769
- Publication date Aug 4, 2005
- NTT DoCoMo, Inc.
- Nobuhiko Naka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Apparatus and method for voice activity detection
- Publication number 20050154583
- Publication date Jul 14, 2005
- Nobuhiko Naka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Signal encoding apparatus, signal encoding method, and program
- Publication number 20050075872
- Publication date Apr 7, 2005
- Kei Kikuiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communication terminal, packet communication system, packet...
- Publication number 20040131061
- Publication date Jul 8, 2004
- NTT DoCoMo, Inc.
- Hosei Matsuoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coding device, decoding device, and methods thereof
- Publication number 20040098267
- Publication date May 20, 2004
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Audio data interpolation apparatus and method, audio data-related i...
- Publication number 20030177011
- Publication date Sep 18, 2003
- Yasuyo Yasuda
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Decoding apparatus, encoding apparatus, decoding method and encodin...
- Publication number 20030154074
- Publication date Aug 14, 2003
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Tomoyuki Ohya

Person

Patents Grantslast 30 patents

Propagation path estimation method and program and apparatus using...

Propagation path estimation method and program and apparatus using...

Transmitting/receiving device, wireless terminal device and wireles...

Apparatus having mushroom structures

Apparatus having mushroom structures

Apparatus having mushroom structures

Reflectarray

Apparatus having mushroom structures

Apparatus having mushroom structures

Radio station, transmitting station, and frequency band sharing method

Relay apparatus and relay method

Signal generation device and signal generation method

Radio communication method and radio base station

Signal detection apparatus and signal detection method for use in r...

Apparatus and method for voice activity detection

Radio station, transmitting station, and frequency band sharing method

Radio communications system and radio communications method

Controller and method for use in radio station in radio communicati...

Radio communication control device, radio communication control sys...

Data transmitter-receiver, bidirectional data transmitting system,...

Signal encoding apparatus, signal encoding method, and program

Data receiving apparatus and data receiving method

Encoding and decoding method and apparatus using rising-transition...

Coding device, decoding device, and methods thereof

Method and apparatus for distributing content data over a network

Method and device for detecting double-talk, and echo canceler

Data transmission device

Variable length coded data transmission device, transmitter side de...

Updating internal states of a speech decoder after errors have occu...

Echo canceler and method for learning for the same

Patents Applicationslast 30 patents

BROADCAST CONTENT TRANSMITTING APPARATUS AND BROADCAST CONTENT RECE...

BROADCAST SUPPLEMENTAL DATA TRANSMISSION DEVICE AND BROADCAST SUPPL...

RADIO STATION, TRANSMITTING STATION, AND FREQUENCY BAND SHARING METHOD

PROPAGATION PATH ESTIMATION METHOD AND PROGRAM AND APPARATUS USING...

PROPAGATION PATH ESTIMATION METHOD AND PROGRAM AND APPARATUS USING...

RADIO COMMUNICATION METHOD AND RADIO BASE STATION

REFLECTARRAY

RELAY APPARATUS AND RELAY METHOD

REFLECT ARRAY

REFLECTOR APPARATUS, RADIO BASE STATION AND RADIO COMMUNICATION METHOD

SIGNAL GENERATION DEVICE AND SIGNAL GENERATION METHOD

APPARATUS HAVING MUSHROOM STRUCTURES

APPARATUS HAVING MUSHROOM STRUCTURES

APPARATUS HAVING MUSHROOM STRUCTURES

SIGNAL DETECTION APPARATUS AND SIGNAL DETECTION METHOD FOR USE IN R...

TRANSMITTING/RECEIVING DEVICE, WIRELESS TERMINAL DEVICE AND WIRELES...

RADIO BASE STATION, RELAY APPARATUS AND RADIO COMMUNICATION METHOD

RADIO COMMUNICATIONS SYSTEM AND RADIO COMMUNICATIONS METHOD

CONTROLLER AND METHOD FOR USE IN RADIO STATION IN RADIO COMMUNICATI...

RADIO COMMUNICATION CONTROL DEVICE, RADIO COMMUNICATION CONTROL SYS...

WIRELESS COMMUNICATIONS SYSTEM, BASE STATION, MEASUREMENT APPARATUS...

Data transmitter-receiver, bidirectional data transmitting system,...

Data receiving apparatus and data receiving method

Apparatus and method for voice activity detection

Apparatus and method for voice activity detection

Signal encoding apparatus, signal encoding method, and program

Packet communication terminal, packet communication system, packet...

Coding device, decoding device, and methods thereof

Audio data interpolation apparatus and method, audio data-related i...

Decoding apparatus, encoding apparatus, decoding method and encodin...