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Patents Grants
last 30 patents
Information
Patent Grant
Wireless communication device and control method for wireless commu...
Patent number
12,035,212
Issue date
Jul 9, 2024
Hitachi, Ltd.
Takeshi Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Security risk reduction method and security risk reduction system
Patent number
11,899,799
Issue date
Feb 13, 2024
Hitachi, Ltd.
Jens Doenhoff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Network management system and method
Patent number
11,652,707
Issue date
May 16, 2023
Hitachi, Ltd.
Masayuki Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Analysis apparatus, analysis method, and analysis program for calcu...
Patent number
11,507,881
Issue date
Nov 22, 2022
Hitachi, Ltd.
Nodoka Mimura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication system, management computer, and session information...
Patent number
9,769,265
Issue date
Sep 19, 2017
Hitachi, Ltd.
Masashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile gateway, control method for the same, and radio access netwo...
Patent number
9,420,590
Issue date
Aug 16, 2016
Hitachi, Ltd.
Masashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system including radio network using MPLS
Patent number
8,848,665
Issue date
Sep 30, 2014
Hitachi, Ltd.
Masashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system and communication method
Patent number
8,483,063
Issue date
Jul 9, 2013
Hitachi, Ltd.
Masashi Yano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and gateway
Patent number
8,130,690
Issue date
Mar 6, 2012
Hitachi Kokusai Electric Inc.
Nodoka Mimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Redundant failover system, redundancy managing apparatus and applic...
Patent number
8,051,322
Issue date
Nov 1, 2011
Hitachi Kokusai Electric Inc.
Norihisa Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Press-talk server, transcoder, and communication system
Patent number
7,991,419
Issue date
Aug 2, 2011
Hitachi Kokusai Electric Inc.
Norihisa Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MANAGEMENT APPARATUS, MANAGEMENT SYSTEM, AND MANAGEMENT METHOD
Publication number
20240236808
Publication date
Jul 11, 2024
Hitachi, Ltd
Nodoka MIMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION DEVICE AND CONTROL METHOD FOR WIRELESS COMMU...
Publication number
20220394441
Publication date
Dec 8, 2022
Hitachi, Ltd
Takeshi SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESSING SYSTEM AND PROCESSING METHOD
Publication number
20220078158
Publication date
Mar 10, 2022
Hitachi, Ltd
Nodoka Mimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network Management System and Method
Publication number
20220060392
Publication date
Feb 24, 2022
Masayuki TAKASE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURITY RISK REDUCTION METHOD AND SECURITY RISK REDUCTION SYSTEM
Publication number
20210173938
Publication date
Jun 10, 2021
Hitachi, Ltd
Jens DOENHOFF
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ANALYSIS APPARATUS, ANALYSIS METHOD, AND ANALYSIS PROGRAM
Publication number
20200210894
Publication date
Jul 2, 2020
Hitachi, Ltd
Nodoka MIMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NETWORK APPARATUS, METHOD OF PROCESSING PACKETS, AND STORAGE MEDIUM...
Publication number
20190044913
Publication date
Feb 7, 2019
Hitachi, Ltd
Naoki TANIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPUTER SYSTEM, GATEWAY APPARATUS, AND SERVER APPARATUS
Publication number
20170257259
Publication date
Sep 7, 2017
Hitachi, Ltd
Nodoka MIMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, MANAGEMENT COMPUTER, AND SESSION INFORMATION...
Publication number
20160065678
Publication date
Mar 3, 2016
Hitachi, Ltd
Masashi YANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS, MANAGEMENT SYSTEM, AND CONTROL METHOD
Publication number
20150302008
Publication date
Oct 22, 2015
Hitachi, Ltd
Daisuke ISHII
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MANAGEMENT AND ORCHESTRATION SERVER
Publication number
20150222515
Publication date
Aug 6, 2015
Hitachi, Ltd
Nodoka MIMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BANDWIDTH CONTROL APPARATUS
Publication number
20150222561
Publication date
Aug 6, 2015
Hitachi, Ltd
Michitaka OKUNO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE GATEWAY, CONTROL METHOD FOR THE SAME, AND RADIO ACCESS NETWO...
Publication number
20150045079
Publication date
Feb 12, 2015
Hitachi, Ltd
Masashi YANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
GATEWAY DEVICE AND PACKET COMMUNICATION METHOD
Publication number
20130336213
Publication date
Dec 19, 2013
Nodoka MIMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION SYSTEM, GATEWAY APPARATUS, AND DATA DISTRIBUTIO...
Publication number
20130329560
Publication date
Dec 12, 2013
Hitachi, Ltd
Yusuke SHOMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network System and Network Apparatus
Publication number
20120177004
Publication date
Jul 12, 2012
Hitachi, Ltd
Masashi YANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile Communication System and Communication Method
Publication number
20110228697
Publication date
Sep 22, 2011
Hitachi, Ltd
Masashi YANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REDUNDANT FAILOVER SYSTEM, REDUNDANCY MANAGING APPARATUS AND APPLIC...
Publication number
20090287955
Publication date
Nov 19, 2009
Hitachi Kokusai Electric Inc.
Norihisa Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM AND GATEWAY
Publication number
20090143090
Publication date
Jun 4, 2009
Hitachi Kokusai Electric Inc.
Nodoka MIMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Press-Talk Server, Transcoder, and Communication System
Publication number
20090143029
Publication date
Jun 4, 2009
Norihisa Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Indoor call control apparatus associated with public mobile network
Publication number
20080227450
Publication date
Sep 18, 2008
Hitachi Communication Technologies, Ltd.
Norihisa Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE