Kazuma YUMOTO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication path switching device, communication path switching m...
- Patent number 9,491,043
- Issue date Nov 8, 2016
- Hitachi, Ltd.
- Sayuri Kaneko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and communication control device
- Patent number 9,088,526
- Issue date Jul 21, 2015
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunications system and server apparatus
- Patent number 8,848,522
- Issue date Sep 30, 2014
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, machine allocation device and machine allocation me...
- Patent number 8,832,279
- Issue date Sep 9, 2014
- Hitachi, Ltd.
- Takashige Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, network management server, and configuration schedu...
- Patent number 8,805,976
- Issue date Aug 12, 2014
- Hitachi, Ltd.
- Yoji Ozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and control method for communication system
- Patent number 8,724,641
- Issue date May 13, 2014
- Hitachi, Ltd.
- Takashige Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transport control server, network system and aggregated path settin...
- Patent number 8,547,850
- Issue date Oct 1, 2013
- Hitachi, Ltd.
- Daisuke Matsubara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and communication control device
- Patent number 8,526,437
- Issue date Sep 3, 2013
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session control apparatus, software applied to session control appa...
- Patent number 8,396,972
- Issue date Mar 12, 2013
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information service communication network system and session manage...
- Patent number 8,271,667
- Issue date Sep 18, 2012
- Hitachi, Ltd.
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session QoS control apparatus
- Patent number 8,239,468
- Issue date Aug 7, 2012
- Hitachi, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Load balancing server and system
- Patent number 8,095,681
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and node apparatus
- Patent number 8,027,246
- Issue date Sep 27, 2011
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer system establishing a safe communication path
- Patent number 7,984,494
- Issue date Jul 19, 2011
- Hitachi, Ltd.
- Masahiro Yoshizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session control apparatus, software applied to session control appa...
- Patent number 7,882,235
- Issue date Feb 1, 2011
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session control system for hierarchical relaying processes
- Patent number 7,813,299
- Issue date Oct 12, 2010
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, node device and management server
- Patent number 7,801,051
- Issue date Sep 21, 2010
- Hitachi, Ltd.
- Takuro Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless IP telephone system
- Patent number 7,778,222
- Issue date Aug 17, 2010
- Hitachi, Ltd.
- Go Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling gateway for multihop-relaying a signaling message
- Patent number 7,764,668
- Issue date Jul 27, 2010
- Hitachi, Ltd.
- Masahiro Yoshizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Presence server, session control server, and packet relay system
- Patent number 7,668,911
- Issue date Feb 23, 2010
- Hitachi, Ltd.
- Tatsuhiko Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session QoS control apparatus
- Patent number 7,606,914
- Issue date Oct 20, 2009
- Hitachi, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Policy settable peer-to-peer session apparatus
- Patent number 7,522,591
- Issue date Apr 21, 2009
- Hitachi, Ltd.
- Satoshi Kiyoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and communication method
- Patent number 7,508,822
- Issue date Mar 24, 2009
- Hitachi, Ltd.
- Keiko Tanigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control apparatus
- Patent number 7,443,842
- Issue date Oct 28, 2008
- Hitachi, Ltd.
- Takashi Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Message conversion server and IP telephone
- Patent number 7,394,804
- Issue date Jul 1, 2008
- Hitachi, Ltd.
- Tatsuhiko Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Peer-to-peer communication apparatus and communication method
- Patent number 7,337,465
- Issue date Feb 26, 2008
- Hitachi, Ltd.
- Satoshi Kiyoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storage system, storage device and information common sharing metho...
- Patent number 7,318,110
- Issue date Jan 8, 2008
- Hitachi, Ltd.
- Kazuma Yumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication system and communication method
- Patent number 7,233,589
- Issue date Jun 19, 2007
- Hitachi, Ltd.
- Keiko Tanigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multimedia call distribution system
- Patent number 6,778,661
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Application cooperation method and apparatus
- Patent number 6,275,977
- Issue date Aug 14, 2001
- Hitachi, Ltd.
- Yasuhiko Nagai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...
- Publication number 20160142302
- Publication date May 19, 2016
- Hitachi, Ltd
- Takashige BABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...
- Publication number 20140379862
- Publication date Dec 25, 2014
- Takashige BABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PATH SWITCHING DEVICE, COMMUNICATION PATH SWITCHING M...
- Publication number 20140321460
- Publication date Oct 30, 2014
- Hitachi, Ltd
- Sayuri KANEKO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NAT SUB-TOPOLOGY MANAGEMENT SERVER
- Publication number 20140317313
- Publication date Oct 23, 2014
- Hitachi, Ltd
- Hideki Okita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication System and Communication Control Device
- Publication number 20140016641
- Publication date Jan 16, 2014
- Hitachi, Ltd
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...
- Publication number 20120254353
- Publication date Oct 4, 2012
- Hitachi, Ltd
- Takashige BABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication System and Communication Control Device
- Publication number 20110255539
- Publication date Oct 20, 2011
- Hitachi, Ltd
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND CONTROL METHOD FOR COMMUNICATION SYSTEM
- Publication number 20110235647
- Publication date Sep 29, 2011
- Hitachi, Ltd
- Takashige BABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMPUTER, COMPUTER SYSTEM, AND APPLICATION EXECUTION METHOD
- Publication number 20110107156
- Publication date May 5, 2011
- Hitachi, Ltd
- Tatsuhiko MIYATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Session control apparatus, software applied to session control appa...
- Publication number 20110093601
- Publication date Apr 21, 2011
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSPORT CONTROL SERVER, NETWORK SYSTEM AND AGGREGATED PATH SETTIN...
- Publication number 20100149988
- Publication date Jun 17, 2010
- Hitachi, Ltd.
- Daisuke MATSUBARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, NETWORK MANAGEMENT SERVER, AND CONFIGURATION SCHEDU...
- Publication number 20100153532
- Publication date Jun 17, 2010
- Hitachi, Ltd.
- Yoji Ozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SESSION QOS CONTROL APPARATUS
- Publication number 20100034082
- Publication date Feb 11, 2010
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELECOMMUNICATIONS SYSTEM AND SERVER APPARATUS
- Publication number 20090316600
- Publication date Dec 24, 2009
- Kazuma YUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GATEWAY APPARATUS
- Publication number 20090049180
- Publication date Feb 19, 2009
- Nami EI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system and node apparatus
- Publication number 20080253295
- Publication date Oct 16, 2008
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND ROUTER
- Publication number 20080225727
- Publication date Sep 18, 2008
- Hitoshi YOSHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, NODE DEVICE AND MANAGEMENT SERVER
- Publication number 20080225731
- Publication date Sep 18, 2008
- Takuro Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and communication method
- Publication number 20080069315
- Publication date Mar 20, 2008
- Hitachi, Ltd.
- Keiko Tanigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QoS CONTROL SYSTEM
- Publication number 20080013545
- Publication date Jan 17, 2008
- Go Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Qos CONTROL SYSTEM
- Publication number 20080008091
- Publication date Jan 10, 2008
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Proxy response terminal and system
- Publication number 20070140444
- Publication date Jun 21, 2007
- HITACH, LTD
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computer system establishing a safe communication path
- Publication number 20070113087
- Publication date May 17, 2007
- Masahiro Yoshizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless IP telephone system
- Publication number 20060271664
- Publication date Nov 30, 2006
- Go Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Load balancing server and system
- Publication number 20060242300
- Publication date Oct 26, 2006
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signaling gateway for multihop-relaying a signaling message
- Publication number 20060203831
- Publication date Sep 14, 2006
- Hitachi, Ltd.
- Masahiro Yoshizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Session control system for hierarchical relaying processes
- Publication number 20050281251
- Publication date Dec 22, 2005
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information service communication network system and session manage...
- Publication number 20050220039
- Publication date Oct 6, 2005
- Kazuyoshi Hoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Presence server, session control server, and packet relay system
- Publication number 20050216595
- Publication date Sep 29, 2005
- Tatsuhiko Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Session QoS control apparatus
- Publication number 20050117586
- Publication date Jun 2, 2005
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazuma YUMOTO

Person

Patents Grantslast 30 patents

Communication path switching device, communication path switching m...

Communication system and communication control device

Telecommunications system and server apparatus

Network system, machine allocation device and machine allocation me...

Network system, network management server, and configuration schedu...

Communication system and control method for communication system

Transport control server, network system and aggregated path settin...

Communication system and communication control device

Session control apparatus, software applied to session control appa...

Information service communication network system and session manage...

Session QoS control apparatus

Load balancing server and system

Network system and node apparatus

Computer system establishing a safe communication path

Session control apparatus, software applied to session control appa...

Session control system for hierarchical relaying processes

Network system, node device and management server

Wireless IP telephone system

Signaling gateway for multihop-relaying a signaling message

Presence server, session control server, and packet relay system

Session QoS control apparatus

Policy settable peer-to-peer session apparatus

Communication system and communication method

Communication control apparatus

Message conversion server and IP telephone

Peer-to-peer communication apparatus and communication method

Storage system, storage device and information common sharing metho...

Communication system and communication method

Multimedia call distribution system

Application cooperation method and apparatus

Patents Applicationslast 30 patents

NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...

NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...

COMMUNICATION PATH SWITCHING DEVICE, COMMUNICATION PATH SWITCHING M...

NAT SUB-TOPOLOGY MANAGEMENT SERVER

Communication System and Communication Control Device

NETWORK SYSTEM, MACHINE ALLOCATION DEVICE AND MACHINE ALLOCATION ME...

Communication System and Communication Control Device

COMMUNICATION SYSTEM AND CONTROL METHOD FOR COMMUNICATION SYSTEM

COMPUTER, COMPUTER SYSTEM, AND APPLICATION EXECUTION METHOD

Session control apparatus, software applied to session control appa...

TRANSPORT CONTROL SERVER, NETWORK SYSTEM AND AGGREGATED PATH SETTIN...

NETWORK SYSTEM, NETWORK MANAGEMENT SERVER, AND CONFIGURATION SCHEDU...

SESSION QOS CONTROL APPARATUS

TELECOMMUNICATIONS SYSTEM AND SERVER APPARATUS

GATEWAY APPARATUS

Network system and node apparatus

COMMUNICATION SYSTEM AND ROUTER

NETWORK SYSTEM, NODE DEVICE AND MANAGEMENT SERVER

Communication system and communication method

QoS CONTROL SYSTEM

Qos CONTROL SYSTEM

Proxy response terminal and system

Computer system establishing a safe communication path

Wireless IP telephone system

Load balancing server and system

Signaling gateway for multihop-relaying a signaling message

Session control system for hierarchical relaying processes

Information service communication network system and session manage...

Presence server, session control server, and packet relay system

Session QoS control apparatus