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Osamu Takada
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Kamakura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Network system, method of managing network system and gateway appar...
Patent number
10,050,807
Issue date
Aug 14, 2018
Hitachi, Ltd.
Junji Kinoshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data center resource allocation system and data center resource all...
Patent number
9,830,183
Issue date
Nov 28, 2017
Hitachi, Ltd.
Junji Kinoshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tag conversion apparatus
Patent number
9,755,854
Issue date
Sep 5, 2017
Hitachi Metals, Ltd.
Kazuhiro Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Network management apparatus, network management method, and networ...
Patent number
9,219,650
Issue date
Dec 22, 2015
Hitachi, Ltd.
Masayuki Sakata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data relaying apparatus
Patent number
7,680,931
Issue date
Mar 16, 2010
Hitachi, Ltd.
Akihisa Nagami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and system for communication
Patent number
7,168,043
Issue date
Jan 23, 2007
Hitachi, Ltd.
Atsushi Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-user talking system and multi-user talking method
Patent number
7,146,629
Issue date
Dec 5, 2006
Hitachi, Ltd.
Koji Tsukada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication network system and method for controlling services in...
Patent number
6,810,421
Issue date
Oct 26, 2004
Hitachi, Ltd.
Takeshi Ishizaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM controller and ATM communication control device
Patent number
6,714,989
Issue date
Mar 30, 2004
Hitachi, Ltd.
Mika Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system having plural networks for performing quality guaran...
Patent number
6,708,209
Issue date
Mar 16, 2004
Hitachi, Ltd.
Tomoichi Ebata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system having route verification function and the component...
Patent number
6,700,874
Issue date
Mar 2, 2004
Hitachi, Ltd.
Masatoshi Takihiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Asynchronous transfer mode controller and ATM control method thereo...
Patent number
6,307,857
Issue date
Oct 23, 2001
Hitachi, Ltd.
Tatsuya Yokoyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM switching system including a switching control portion for dist...
Patent number
6,014,382
Issue date
Jan 11, 2000
Hitachi, Ltd.
Masatoshi Takihiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM controller and ATM communication control device
Patent number
5,974,466
Issue date
Oct 26, 1999
Hitachi, Ltd.
Mika Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer system and method of issuing input/output commands therefrom
Patent number
5,860,022
Issue date
Jan 12, 1999
Hitachi, Ltd.
Takeshi Kondou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ATM switch and intermediate system
Patent number
5,777,994
Issue date
Jul 7, 1998
Hitachi, Ltd.
Masatoshi Takihiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network interface apparatus and data transmission control method th...
Patent number
5,727,149
Issue date
Mar 10, 1998
Hitachi, Ltd.
Tetsuhiko Hirata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for sequentially broadcasting data according to p...
Patent number
5,706,430
Issue date
Jan 6, 1998
Hitachi, Ltd.
Emiko Yanagisawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for executing high speed communication protocol processing b...
Patent number
5,678,060
Issue date
Oct 14, 1997
Hitachi, Ltd.
Tatsuya Yokoyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice mail communication system
Patent number
5,625,675
Issue date
Apr 29, 1997
Hitachi, Ltd.
Ikuko Katsumaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Internetworking apparatus for connecting plural network systems and...
Patent number
5,434,863
Issue date
Jul 18, 1995
Hitachi, Ltd.
Katsuyoshi Onishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame strip method and apparatus therefor
Patent number
5,224,096
Issue date
Jun 29, 1993
Hitachi, Ltd.
Katsuyoshi Onishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bridge apparatus and a communication system between networks using...
Patent number
5,220,562
Issue date
Jun 15, 1993
Hitachi, Ltd.
Osamu Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Address filter unit for carrying out address filter processing amon...
Patent number
5,210,748
Issue date
May 11, 1993
Hitachi, Ltd.
Katsuyoshi Onishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus for reassembling packets received from netw...
Patent number
5,113,392
Issue date
May 12, 1992
Hitachi, Ltd.
Yoshihiro Takiyasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Message transfer system and method
Patent number
4,930,122
Issue date
May 29, 1990
Hitachi, Ltd.
Yasuhiro Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for data transmission
Patent number
4,855,995
Issue date
Aug 8, 1989
Hitachi, Ltd.
Kunio Hiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resistor and electron device employing the same
Patent number
4,804,940
Issue date
Feb 14, 1989
Hitachi, Ltd.
Akira Takigawa
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
MANAGEMENT APPARATUS, MANAGEMENT METHOD, AND RECORDING MEDIUM
Publication number
20180212818
Publication date
Jul 26, 2018
Hitachi, Ltd
Takaya IDE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DATA CENTER LINKING SYSTEM AND METHOD THEREFOR
Publication number
20180198708
Publication date
Jul 12, 2018
Hitachi, Ltd
Sayuri ISHIKAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TAG CONVERSION APPARATUS
Publication number
20160173417
Publication date
Jun 16, 2016
Hitachi Metals, Ltd.
Kazuhiro MAEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEM, METHOD OF MANAGING NETWORK SYSTEM AND GATEWAY APPAR...
Publication number
20160149758
Publication date
May 26, 2016
Hitachi, Ltd
Junji KINOSHITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANAGEMENT APPARATUS, METHOD OF MANAGING A NETWORK AND STORAGE MEDIUM
Publication number
20160094393
Publication date
Mar 31, 2016
Hitachi, Ltd
Kosuke KANEKO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MANAGEMENT COMPUTER, MANAGEMENT METHOD, AND NON-TRANSITORY RECORDIN...
Publication number
20160043899
Publication date
Feb 11, 2016
Hitachi, Ltd
Yoji OZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRAFFIC INFORMATION COLLECTION SYSTEM AND COLLECTION CONTROL NODE
Publication number
20150304200
Publication date
Oct 22, 2015
Hitachi, Ltd
Takahiro SAGARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK EXTENSION SYSTEM, CONTROL APPARATUS, AND NETWORK EXTENSION...
Publication number
20150280961
Publication date
Oct 1, 2015
Hitachi, Ltd
Ken Akune
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA CENTER RESOURCE ALLOCATION SYSTEM AND DATA CENTER RESOURCE ALL...
Publication number
20150244643
Publication date
Aug 27, 2015
Hitachi, Ltd
Junji Kinoshita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD OF CONSTRUCTING LOGICAL NETWORK AND NETWORK SYSTEM
Publication number
20150180715
Publication date
Jun 25, 2015
Hitachi, Ltd
Yoji OZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANAGEMENT APPARATUS, MANAGEMENT METHOD, AND MANAGEMENT PROGRAM
Publication number
20150172093
Publication date
Jun 18, 2015
Hitachi, Ltd
Kosuke KANEKO
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
NETWORK MANAGEMENT APPARATUS, NETWORK MANAGEMENT METHOD, AND NETWOR...
Publication number
20140064056
Publication date
Mar 6, 2014
HITACH, LTD
Masayuki Sakata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEM, AND MANAGEMENT APPARATUS AND SWITCH THEREOF
Publication number
20140003427
Publication date
Jan 2, 2014
Hitachi, Ltd
Yusuke NISHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data relaying apparatus
Publication number
20040078426
Publication date
Apr 22, 2004
Akihisa Nagami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network system having plural networks for performing quality guaran...
Publication number
20040064541
Publication date
Apr 1, 2004
Tomoichi Ebata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and system for communication
Publication number
20030191798
Publication date
Oct 9, 2003
Atsushi Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-user talking system and multi-user talking method
Publication number
20020057335
Publication date
May 16, 2002
Koji Tsukada
H04 - ELECTRIC COMMUNICATION TECHNIQUE