Eri Kawai

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system and server
- Patent number 9,485,281
- Issue date Nov 1, 2016
- Hitachi, Ltd.
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and server
- Patent number 9,264,285
- Issue date Feb 16, 2016
- Hitachi, Ltd.
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, network management server, and OAM test method
- Patent number 8,976,681
- Issue date Mar 10, 2015
- Hitachi, Ltd.
- Yoji Ozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and server
- Patent number 8,868,759
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and management server
- Patent number 8,862,939
- Issue date Oct 14, 2014
- Hitachi, Ltd.
- Yoji Ozawa
- 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
- Patent number 8,732,316
- Issue date May 20, 2014
- Hitachi, Ltd.
- Kenji Kasuga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and server
- Patent number 8,706,892
- Issue date Apr 22, 2014
- Hitachi, Ltd.
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and system for estimating network configuration
- Patent number 8,356,093
- Issue date Jan 15, 2013
- Hitachi, Ltd.
- Akihiro Koizumi
- 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
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 data management method
- Patent number 7,610,343
- Issue date Oct 27, 2009
- Hitachi, Ltd.
- Mitsuru Ikezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transfer apparatus connectable with mobile terminals
- Patent number 7,339,931
- Issue date Mar 4, 2008
- Hitachi, Ltd.
- Masatoshi Takihiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM AND SERVER
- Publication number 20140256299
- Publication date Sep 11, 2014
- Hitachi, Ltd
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND SERVER
- Publication number 20140219175
- Publication date Aug 7, 2014
- Hitachi, Ltd
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANAGEMENT METHOD FOR NETWORK SYSTEM, NETWORK SYSTEM, AND MANAGEMEN...
- Publication number 20130111036
- Publication date May 2, 2013
- Hitachi, Ltd
- Yoji Ozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM AND MANAGEMENT SERVER
- Publication number 20120233503
- Publication date Sep 13, 2012
- Hitachi, Ltd
- Yoji OZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND SERVER
- Publication number 20120124218
- Publication date May 17, 2012
- Hitachi, Ltd.
- Shota Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network System, Network Management Server, and OAM Test Method
- Publication number 20120051263
- Publication date Mar 1, 2012
- Hitachi, Ltd
- Yoji OZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20120036269
- Publication date Feb 9, 2012
- Hitachi, Ltd.
- Kenji Kasuga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND SYSTEM FOR ESTIMATING NETWORK CONFIGURATION
- Publication number 20110093579
- Publication date Apr 21, 2011
- Hitachi, Ltd.
- Akihiro KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND SERVER
- Publication number 20100235516
- Publication date Sep 16, 2010
- Hitachi, Ltd.
- Shota Nakamura
- 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
SERVER AND CONTROL METHOD FOR MANAGING PERMISSION SETTING OF PERSON...
- Publication number 20080077997
- Publication date Mar 27, 2008
- Tatsuhiko Miyata
- G06 - COMPUTING CALCULATING COUNTING
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
Presence data management method
- Publication number 20050154698
- Publication date Jul 14, 2005
- Mitsuru Ikezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Session control system, communication terminal and servers
- Publication number 20050066038
- Publication date Mar 24, 2005
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Server and control method for managing permission setting of person...
- Publication number 20040260948
- Publication date Dec 23, 2004
- Tatsuhiko Miyata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Packet transfer apparatus connectable with mobile terminals
- Publication number 20040109452
- Publication date Jun 10, 2004
- Hitachi, Ltd.
- Masatoshi Takihiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Communication system and server

Communication system and server

Network system, network management server, and OAM test method

Communication system and server

Network system and management server

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

Communication system

Communication system and server

Apparatus and system for estimating network configuration

Load balancing server and system

Signaling gateway for multihop-relaying a signaling message

Presence data management method

Packet transfer apparatus connectable with mobile terminals

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM AND SERVER

COMMUNICATION SYSTEM AND SERVER

MANAGEMENT METHOD FOR NETWORK SYSTEM, NETWORK SYSTEM, AND MANAGEMEN...

NETWORK SYSTEM AND MANAGEMENT SERVER

COMMUNICATION SYSTEM AND SERVER

Network System, Network Management Server, and OAM Test Method

COMMUNICATION SYSTEM

APPARATUS AND SYSTEM FOR ESTIMATING NETWORK CONFIGURATION

COMMUNICATION SYSTEM AND SERVER

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

SERVER AND CONTROL METHOD FOR MANAGING PERMISSION SETTING OF PERSON...

Load balancing server and system

Signaling gateway for multihop-relaying a signaling message

Presence data management method

Session control system, communication terminal and servers

Server and control method for managing permission setting of person...

Packet transfer apparatus connectable with mobile terminals