Ken Igarashi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Host providing system and communication control method
- Patent number 9,584,481
- Issue date Feb 28, 2017
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Host providing system and host providing method
- Patent number 9,229,762
- Issue date Jan 5, 2016
- NTT DoCoMo, Inc.
- Ken Igarashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobile communications system, mobile communications method, server,...
- Patent number 8,284,670
- Issue date Oct 9, 2012
- NTT DoCoMo, Inc.
- Toshihiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication terminal, communication control method, and communica...
- Patent number 8,279,756
- Issue date Oct 2, 2012
- NTT DoCoMo, Inc.
- Kenichi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover control apparatus, relay router, gateway apparatus, access...
- Patent number 8,270,367
- Issue date Sep 18, 2012
- NTT DoCoMo, Inc.
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Setting device, component mounting system, program and calculating...
- Patent number 7,885,723
- Issue date Feb 8, 2011
- Hitachi High-Tech Instruments Co., Ltd.
- Takafumi Chida
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Communication terminal device and communications method
- Patent number 7,817,668
- Issue date Oct 19, 2010
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication terminal, congestion control method, and congestion c...
- Patent number 7,808,910
- Issue date Oct 5, 2010
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling QoS in IP network using router control and mu...
- Patent number 7,756,137
- Issue date Jul 13, 2010
- NTT DoCoMo, Inc.
- Akihito Okura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication terminal and retransmission control method
- Patent number 7,715,314
- Issue date May 11, 2010
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication control system, network management server, mob...
- Patent number 7,710,956
- Issue date May 4, 2010
- NTT DoCoMo, Inc.
- Toshihiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, terminal and router for detection of trigger to rerouting
- Patent number 7,693,159
- Issue date Apr 6, 2010
- NTT DoCoMo, Inc.
- Kenji Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, multicast-capable router, transmitter termina...
- Patent number 7,620,045
- Issue date Nov 17, 2009
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device and transmitting device for determining errors in...
- Patent number 7,590,888
- Issue date Sep 15, 2009
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover control apparatus, radio terminal device, edge router, rou...
- Patent number 7,519,367
- Issue date Apr 14, 2009
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover control apparatus, base station, edge router, relay router...
- Patent number 7,424,295
- Issue date Sep 9, 2008
- NTT DoCoMo, Inc.
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication controlling method, communicati...
- Patent number 7,388,850
- Issue date Jun 17, 2008
- NTT DoCoMo, Inc.
- Daisuke Ochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover control apparatus, relay router, gateway apparatus, access...
- Patent number 7,362,728
- Issue date Apr 22, 2008
- NTT DoCoMo, Inc.
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile terminal, control device and mobile communication method
- Patent number 7,352,750
- Issue date Apr 1, 2008
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transmission method and communication system
- Patent number 7,349,390
- Issue date Mar 25, 2008
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover control method and handover path determination for use in...
- Patent number 6,970,707
- Issue date Nov 29, 2005
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HOST PROVIDING SYSTEM AND HOST PROVIDING METHOD
- Publication number 20150317174
- Publication date Nov 5, 2015
- NTT DoCoMo, Inc.
- Ken IGARASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST PROVIDING SYSTEM AND COMMUNICATION CONTROL METHOD
- Publication number 20150026780
- Publication date Jan 22, 2015
- NTT DOCOMO, INC.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Terminal, Congestion Control Method, and Congestion C...
- Publication number 20080181109
- Publication date Jul 31, 2008
- NTT DoCoMo, Inc.
- Ken IGARASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HANDOVER CONTROL APPARATUS, RELAY ROUTER, GATEWAY APPARATUS, ACCESS...
- Publication number 20080107081
- Publication date May 8, 2008
- NTT DoCoMo, Inc.
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Terminal, Communication Control Method, and Communica...
- Publication number 20080062875
- Publication date Mar 13, 2008
- NTT DoCoMo, Inc.
- Kenichi Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATIONS SYSTEM, MOBILE COMMUNICATIONS METHOD, SERVER,...
- Publication number 20080013483
- Publication date Jan 17, 2008
- NTT DoCoMo, Inc.
- Toshihiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SETTING DEVICE, COMPONENT MOUNTING SYSTEM, PROGRAM AND CALCULATING...
- Publication number 20080005892
- Publication date Jan 10, 2008
- Takafumi Chida
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COMMUNICATION TERMINAL AND RETRANSMISSION CONTROL METHOD
- Publication number 20070230337
- Publication date Oct 4, 2007
- NTT DoCoMo, Inc.
- Ken IGARASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HANDOVER CONTROL APPARATUS, BASE STATION, EDGE ROUTER, RELAY ROUTER...
- Publication number 20070189221
- Publication date Aug 16, 2007
- NTT DoCoMo, Inc.
- Shinichi ISOBE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system, multicast-capable router, transmitter termina...
- Publication number 20070121574
- Publication date May 31, 2007
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication terminal device and communications method
- Publication number 20070005787
- Publication date Jan 4, 2007
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile terminal, control device and mobile communication method
- Publication number 20060083243
- Publication date Apr 20, 2006
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving device, transmitting device and programs
- Publication number 20050039075
- Publication date Feb 17, 2005
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of controlling QoS in IP network using router control and mu...
- Publication number 20040190527
- Publication date Sep 30, 2004
- NTT DoCoMo, Inc.
- Akihito Okura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communications system, mobile communications method, server,...
- Publication number 20040179489
- Publication date Sep 16, 2004
- NTT DoCoMo, Inc.
- Toshihiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication control system, network management server, mob...
- Publication number 20040156365
- Publication date Aug 12, 2004
- NTT DoCoMo, Inc.
- Toshihiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system, server apparatus, and data transmissio...
- Publication number 20040139224
- Publication date Jul 15, 2004
- NTT DoCoMo, Inc.
- Kenji Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover control apparatus, radio terminal device, edge router, rou...
- Publication number 20040063429
- Publication date Apr 1, 2004
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover control, apparatus, base station, edge router, relay route...
- Publication number 20040005893
- Publication date Jan 8, 2004
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet transmission method and communication system
- Publication number 20030223422
- Publication date Dec 4, 2003
- NTT DoCoMo, Inc., Tokyo, Japan
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover control apparatus, relay router, gateway apparatus, access...
- Publication number 20030169719
- Publication date Sep 11, 2003
- NTT DoCoMo, Inc.
- Shinichi Isobe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system, communication controlling method, communicati...
- Publication number 20030161331
- Publication date Aug 28, 2003
- NTT DoCoMo, Inc.
- Daisuke Ochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, terminal and router for detection of trigger to rerouting
- Publication number 20030142660
- Publication date Jul 31, 2003
- NTT DoCoMo, Inc.
- Kenji Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover control method and apparatus, and mobile communication system
- Publication number 20020137515
- Publication date Sep 26, 2002
- NTT DoCoMo, Inc.
- Ken Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for handling services by a proxy
- Publication number 20020091787
- Publication date Jul 11, 2002
- Ken Igarashi
- G06 - COMPUTING CALCULATING COUNTING

Ken Igarashi

Person

Patents Grantslast 30 patents

Host providing system and communication control method

Host providing system and host providing method

Mobile communications system, mobile communications method, server,...

Communication terminal, communication control method, and communica...

Handover control apparatus, relay router, gateway apparatus, access...

Setting device, component mounting system, program and calculating...

Communication terminal device and communications method

Communication terminal, congestion control method, and congestion c...

Method of controlling QoS in IP network using router control and mu...

Communication terminal and retransmission control method

Mobile communication control system, network management server, mob...

Method, terminal and router for detection of trigger to rerouting

Communication system, multicast-capable router, transmitter termina...

Receiving device and transmitting device for determining errors in...

Handover control apparatus, radio terminal device, edge router, rou...

Handover control apparatus, base station, edge router, relay router...

Communication system, communication controlling method, communicati...

Handover control apparatus, relay router, gateway apparatus, access...

Mobile terminal, control device and mobile communication method

Packet transmission method and communication system

Handover control method and handover path determination for use in...

Patents Applicationslast 30 patents

HOST PROVIDING SYSTEM AND HOST PROVIDING METHOD

HOST PROVIDING SYSTEM AND COMMUNICATION CONTROL METHOD

Communication Terminal, Congestion Control Method, and Congestion C...

HANDOVER CONTROL APPARATUS, RELAY ROUTER, GATEWAY APPARATUS, ACCESS...

Communication Terminal, Communication Control Method, and Communica...

MOBILE COMMUNICATIONS SYSTEM, MOBILE COMMUNICATIONS METHOD, SERVER,...

SETTING DEVICE, COMPONENT MOUNTING SYSTEM, PROGRAM AND CALCULATING...

COMMUNICATION TERMINAL AND RETRANSMISSION CONTROL METHOD

HANDOVER CONTROL APPARATUS, BASE STATION, EDGE ROUTER, RELAY ROUTER...

Communication system, multicast-capable router, transmitter termina...

Communication terminal device and communications method

Mobile terminal, control device and mobile communication method

Receiving device, transmitting device and programs

Method of controlling QoS in IP network using router control and mu...

Mobile communications system, mobile communications method, server,...

Mobile communication control system, network management server, mob...

Mobile communication system, server apparatus, and data transmissio...

Handover control apparatus, radio terminal device, edge router, rou...

Handover control, apparatus, base station, edge router, relay route...

Packet transmission method and communication system

Handover control apparatus, relay router, gateway apparatus, access...

Communication system, communication controlling method, communicati...

Method, terminal and router for detection of trigger to rerouting

Handover control method and apparatus, and mobile communication system

Method and apparatus for handling services by a proxy