Hidetoshi Kayama

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reflectarray and design method
- Patent number 9,620,864
- Issue date Apr 11, 2017
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reflectarray and design method
- Patent number 9,531,079
- Issue date Dec 27, 2016
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reflectarray and design method
- Patent number 9,425,512
- Issue date Aug 23, 2016
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-beam reflectarray
- Patent number 9,184,508
- Issue date Nov 10, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
User terminal
- Patent number 9,042,900
- Issue date May 26, 2015
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless station, interference avoidance method, and system for int...
- Patent number 8,948,068
- Issue date Feb 3, 2015
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio base station and frequency band sharing method
- Patent number 8,903,404
- Issue date Dec 2, 2014
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station, radio resource control equipment, mobile station, com...
- Patent number RE43593
- Issue date Aug 21, 2012
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- 370 - Multiplex communications
Information Patent Grant
Base station, radio communication system, and communication method
- Patent number 8,111,652
- Issue date Feb 7, 2012
- NTT DoCoMo, Inc.
- Daisuke Kitazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communication system, packet communication method, base stat...
- Patent number 7,970,349
- Issue date Jun 28, 2011
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communications taking into account channel quality and buffe...
- Patent number 7,821,982
- Issue date Oct 26, 2010
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communication system, packet communication method, base stat...
- Patent number 7,801,482
- Issue date Sep 21, 2010
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prioritized communication between base station and mobile unit
- Patent number 7,760,680
- Issue date Jul 20, 2010
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Allocation of radio resources to packets in accordance with service...
- Patent number 7,710,977
- Issue date May 4, 2010
- NTT DoCoMo, Inc.
- Daisuke Kitazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile station, mobile communication system, and cell selection method
- Patent number 7,634,272
- Issue date Dec 15, 2009
- NTT DoCoMo, Inc.
- Takeshi Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system, line concentrator, radio base station,...
- Patent number 7,590,085
- Issue date Sep 15, 2009
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time slot assigning method, signal transmission method, base statio...
- Patent number 7,580,387
- Issue date Aug 25, 2009
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system, mobile communication method, mobile te...
- Patent number 7,548,519
- Issue date Jun 16, 2009
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communications system, base station and mobile station
- Patent number 7,532,572
- Issue date May 12, 2009
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission power control method, radio communication system, base...
- Patent number 7,532,601
- Issue date May 12, 2009
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resource allocating method, and base station, mobile station, and r...
- Patent number 7,496,067
- Issue date Feb 24, 2009
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission power control method, communication device, and radio...
- Patent number 7,483,710
- Issue date Jan 27, 2009
- NTT DoCoMo, Inc.
- Daisuke Kitazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communication system, packet communication method, base stat...
- Patent number 7,471,927
- Issue date Dec 30, 2008
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio base station selection method and system and a radio base sta...
- Patent number 7,457,622
- Issue date Nov 25, 2008
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scramble code allocation method, a radio base station, a mobile sta...
- Patent number 7,453,841
- Issue date Nov 18, 2008
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resource control system, resource control method, and base station...
- Patent number 7,417,963
- Issue date Aug 26, 2008
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system, radio base station, mobile station, ch...
- Patent number 7,394,785
- Issue date Jul 1, 2008
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station and transmission power determining method in mobile co...
- Patent number 7,366,130
- Issue date Apr 29, 2008
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station, radio resource control equipment, mobile station, com...
- Patent number 7,359,349
- Issue date Apr 15, 2008
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control system, communication control method, base st...
- Patent number 7,308,282
- Issue date Dec 11, 2007
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
REFLECTARRAY AND DESIGN METHOD
- Publication number 20150061966
- Publication date Mar 5, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REFLECTARRAY AND DESIGN METHOD
- Publication number 20150022414
- Publication date Jan 22, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REFLECTARRAY AND DESIGN METHOD
- Publication number 20150015455
- Publication date Jan 15, 2015
- NTT DoCoMo, Inc.
- Tamami Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINATION APPARATUS FOR DETERMINING COMMUNICATION AVAILABILITY...
- Publication number 20140362721
- Publication date Dec 11, 2014
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USER TERMINAL
- Publication number 20140221030
- Publication date Aug 7, 2014
- NTT DoCoMo, Inc.
- Hiromasa FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-BEAM REFLECTARRAY
- Publication number 20130229296
- Publication date Sep 5, 2013
- NTT DoCoMo, Inc.
- Tamami Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS STATION, INTERFERENCE AVOIDANCE METHOD, AND SYSTEM FOR INT...
- Publication number 20120213102
- Publication date Aug 23, 2012
- NTT DoCoMo, Inc.
- Hiroki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO BASE STATION, USER TERMINAL AND FREQUENCY BAND SHARING METHOD
- Publication number 20120214525
- Publication date Aug 23, 2012
- NTT DoCoMo, Inc.
- Hiromasa FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL METHOD, BASE ST...
- Publication number 20100254263
- Publication date Oct 7, 2010
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PACKET COMMUNICATION SYSTEM, PACKET COMMUNICATION METHOD, BASE STAT...
- Publication number 20090131096
- Publication date May 21, 2009
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PACKET COMMUNICATION SYSTEM, PACKET COMMUNICATION METHOD, BASE STAT...
- Publication number 20090073931
- Publication date Mar 19, 2009
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SCRAMBLE CODE ALLOCATION METHOD, A RADIO BASE STATION, A MOBILE STA...
- Publication number 20090034453
- Publication date Feb 5, 2009
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system, line concentrator, radio base station,...
- Publication number 20060126554
- Publication date Jun 15, 2006
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communication system, packet communication method, base stat...
- Publication number 20050186982
- Publication date Aug 25, 2005
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scramble code allocation method, a radio base station, a mobile sta...
- Publication number 20050099972
- Publication date May 12, 2005
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station and transmission power determining method in mobile co...
- Publication number 20050099973
- Publication date May 12, 2005
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile station, mobile communication system, and cell selection method
- Publication number 20050037798
- Publication date Feb 17, 2005
- NTT DoCoMo, Inc.
- Takeshi Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system, radio base station, mobile station, ch...
- Publication number 20050030918
- Publication date Feb 10, 2005
- NTT DoCoMo, Inc.
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communications system, base station and mobile station
- Publication number 20050025056
- Publication date Feb 3, 2005
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Server, mobile communication system, positional information managin...
- Publication number 20040254980
- Publication date Dec 16, 2004
- Masayuki Motegi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station, mobile station, communication system, transmission co...
- Publication number 20040204101
- Publication date Oct 14, 2004
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communications taking into account channel quality and buffe...
- Publication number 20040184417
- Publication date Sep 23, 2004
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio packet communication system, radio packet communication metho...
- Publication number 20040166900
- Publication date Aug 26, 2004
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission power control method, communication device, and radio...
- Publication number 20040132405
- Publication date Jul 8, 2004
- NTT DoCoMo, Inc.
- Daisuke Kitazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system, base station, mobile station, and cell...
- Publication number 20040131029
- Publication date Jul 8, 2004
- NTT DoCoMo, Inc.
- Hideki Tobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resource allocating method, and base station, mobile station, and r...
- Publication number 20040127225
- Publication date Jul 1, 2004
- NTT DoCoMo, Inc.
- Heng Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission power control method, radio communication system, base...
- Publication number 20040105406
- Publication date Jun 3, 2004
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Admission control method and device in mobile communication system
- Publication number 20040097240
- Publication date May 20, 2004
- NTT DoCoMo, Inc.
- Lan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station, radio communication system, and communication method
- Publication number 20040082364
- Publication date Apr 29, 2004
- NTT DoCoMo, Inc.
- Daisuke Kitazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Random access method and radio station
- Publication number 20040028006
- Publication date Feb 12, 2004
- NTT DoCoMo, Inc.
- Hidetoshi Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hidetoshi Kayama

Person

Patents Grantslast 30 patents

Reflectarray and design method

Reflectarray and design method

Reflectarray and design method

Multi-beam reflectarray

User terminal

Wireless station, interference avoidance method, and system for int...

Radio base station and frequency band sharing method

Base station, radio resource control equipment, mobile station, com...

Base station, radio communication system, and communication method

Packet communication system, packet communication method, base stat...

Packet communications taking into account channel quality and buffe...

Packet communication system, packet communication method, base stat...

Prioritized communication between base station and mobile unit

Allocation of radio resources to packets in accordance with service...

Mobile station, mobile communication system, and cell selection method

Mobile communication system, line concentrator, radio base station,...

Time slot assigning method, signal transmission method, base statio...

Mobile communication system, mobile communication method, mobile te...

Packet communications system, base station and mobile station

Transmission power control method, radio communication system, base...

Resource allocating method, and base station, mobile station, and r...

Transmission power control method, communication device, and radio...

Packet communication system, packet communication method, base stat...

Radio base station selection method and system and a radio base sta...

Scramble code allocation method, a radio base station, a mobile sta...

Resource control system, resource control method, and base station...

Mobile communication system, radio base station, mobile station, ch...

Base station and transmission power determining method in mobile co...

Base station, radio resource control equipment, mobile station, com...

Communication control system, communication control method, base st...

Patents Applicationslast 30 patents

REFLECTARRAY AND DESIGN METHOD

REFLECTARRAY AND DESIGN METHOD

REFLECTARRAY AND DESIGN METHOD

DETERMINATION APPARATUS FOR DETERMINING COMMUNICATION AVAILABILITY...

USER TERMINAL

MULTI-BEAM REFLECTARRAY

WIRELESS STATION, INTERFERENCE AVOIDANCE METHOD, AND SYSTEM FOR INT...

RADIO BASE STATION, USER TERMINAL AND FREQUENCY BAND SHARING METHOD

COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL METHOD, BASE ST...

PACKET COMMUNICATION SYSTEM, PACKET COMMUNICATION METHOD, BASE STAT...

PACKET COMMUNICATION SYSTEM, PACKET COMMUNICATION METHOD, BASE STAT...

SCRAMBLE CODE ALLOCATION METHOD, A RADIO BASE STATION, A MOBILE STA...

Mobile communication system, line concentrator, radio base station,...

Packet communication system, packet communication method, base stat...

Scramble code allocation method, a radio base station, a mobile sta...

Base station and transmission power determining method in mobile co...

Mobile station, mobile communication system, and cell selection method

Mobile communication system, radio base station, mobile station, ch...

Packet communications system, base station and mobile station

Server, mobile communication system, positional information managin...

Base station, mobile station, communication system, transmission co...

Packet communications taking into account channel quality and buffe...

Radio packet communication system, radio packet communication metho...

Transmission power control method, communication device, and radio...

Mobile communication system, base station, mobile station, and cell...

Resource allocating method, and base station, mobile station, and r...

Transmission power control method, radio communication system, base...

Admission control method and device in mobile communication system

Base station, radio communication system, and communication method

Random access method and radio station