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Patents Grants
last 30 patents
Information
Patent Grant
Transmitting side transmission device, receiving side transmission...
Patent number
12,038,813
Issue date
Jul 16, 2024
Nippon Telegraph and Telephone Corporation
Katsuhiro Araya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transmission device interconnection registration device, transmissi...
Patent number
11,973,533
Issue date
Apr 30, 2024
Nippon Telegraph and Telephone Corporation
Kentaro Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network apparatus information management device and network apparat...
Patent number
11,936,526
Issue date
Mar 19, 2024
Nippon Telegraph and Telephone Corporation
Masahiro Yokota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission path design apparatus, transmission network topology d...
Patent number
11,824,762
Issue date
Nov 21, 2023
Nippon Telegraph and Telephone Corporation
Hiroshi Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical cross-connect device, optical transmission system, and opti...
Patent number
11,812,205
Issue date
Nov 7, 2023
Nippon Telegraph and Telephone Corporation
Masatoshi Namiki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitting device, receiving device, packet transfer system,packe...
Patent number
11,750,535
Issue date
Sep 5, 2023
Nippon Telegraph and Telephone Corporation
Hiroto Takechi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system and optical transmission device setting...
Patent number
11,621,779
Issue date
Apr 4, 2023
Nippon Telegraph and Telephone Corporation
Ken Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission system, device management server, fault management met...
Patent number
11,469,966
Issue date
Oct 11, 2022
Nippon Telegraph and Telephone Corporation
Yuji Minato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission system management device and transmission system desig...
Patent number
11,411,879
Issue date
Aug 9, 2022
Nippon Telegraph and Telephone Corporation
Masatoshi Namiki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transport system and resource optimization method
Patent number
10,250,348
Issue date
Apr 2, 2019
Nippon Telegraph and Telephone Corporation
Yoshiaki Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Framer and framing method
Patent number
10,230,457
Issue date
Mar 12, 2019
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Framer and framing method
Patent number
10,181,921
Issue date
Jan 15, 2019
Nippon Telegraph and Telephone Corporation
Masahiro Yokota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Framer, optical transmission device, and framing method
Patent number
10,063,321
Issue date
Aug 28, 2018
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Metal sheet structure and electronic device
Patent number
8,797,750
Issue date
Aug 5, 2014
Fujitsu Limited
Hideki Maeda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic device package with connection terminals including uneve...
Patent number
8,264,850
Issue date
Sep 11, 2012
Fujitsu Limited
Tsuyoshi So
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Automatic power restoring method and optical communication system
Patent number
7,792,430
Issue date
Sep 7, 2010
Fujitsu Limited
Hiroyuki Deguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic power restoring method and optical communication system
Patent number
7,664,392
Issue date
Feb 16, 2010
Fujitsu Limited
Hiroyuki Deguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic power restoring method and optical communication system
Patent number
7,437,069
Issue date
Oct 14, 2008
Fujitsu Limited
Hiroyuki Deguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Measurement method by OTDR and terminal station apparatus
Patent number
7,420,666
Issue date
Sep 2, 2008
Fujitsu Limited
Takayuki Maehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reverse flow preventing device and electronic apparatus
Patent number
7,302,967
Issue date
Dec 4, 2007
Fujitsu Limited
Hideki Maeda
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Network monitoring and controlling apparatus
Patent number
7,292,540
Issue date
Nov 6, 2007
Fujitsu Limited
Toshiyuki Yada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monitoring control network system
Patent number
7,222,174
Issue date
May 22, 2007
Fujitsu Limited
Satoshi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Measurement method by OTDR and terminal station apparatus
Patent number
7,215,415
Issue date
May 8, 2007
Fujitsu Limited
Takayuki Maehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reverse flow preventing device and electronic apparatus
Patent number
7,025,086
Issue date
Apr 11, 2006
Fujitsu Limited
Hideki Maeda
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Supervisory control system
Patent number
6,763,381
Issue date
Jul 13, 2004
Fujitsu Limited
Satoshi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system
Patent number
6,307,985
Issue date
Oct 23, 2001
Micro Therapeutics, Inc.
Makoto Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION SIDE TRANSMISSION DEVICE AND REDUNDANCY METHOD OF TRAN...
Publication number
20240330112
Publication date
Oct 3, 2024
Nippon Telegraph and Telephone Corporation
Katsuhiro ARAYA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL TRANSMISSION CONTROL DEVICE, OPTICAL TRANSMISSION CONTROL M...
Publication number
20240235674
Publication date
Jul 11, 2024
Nippon Telegraph and Telephone Corporation
Ken ITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PATH ROUTE DESIGN DEVICE AND OPTICAL PATH ROUTE DESIGN METHOD
Publication number
20240223925
Publication date
Jul 4, 2024
Nippon Telegraph and Telephone Corporation
Hiroki DATE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMITTING SIDE TRANSMISSION DEVICE, RECEIVING SIDE TRANSMISSION...
Publication number
20230297476
Publication date
Sep 21, 2023
Nippon Telegraph and Telephone Corporation
Katsuhiro Araya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND DESIGN METHOD FOR OPTICALTRANSMISSI...
Publication number
20230268998
Publication date
Aug 24, 2023
Nippon Telegraph and Telephone Corporation
Kohei SAITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, NETWORK RELAY DEVICE, NETWORK RELAY METHOD, A...
Publication number
20230103537
Publication date
Apr 6, 2023
Nippon Telegraph and Telephone Corporation
Hideki MAEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE INTERCONNECTION REGISTRATION DEVICE, TRANSMISS...
Publication number
20230082032
Publication date
Mar 16, 2023
Nippon Telegraph and Telephone Corporation
Kentaro Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER, RECEIVER, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
Publication number
20220416897
Publication date
Dec 29, 2022
Nippon Telegraph and Telephone Corporation
Kohei Saito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSMISSION PATH DESIGN APPARATUS, TRANSMISSION NETWORK TOPOLOGY D...
Publication number
20220360520
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Hiroshi YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPONENT INFORMATION MANAGEMENT DEVICE, COMPONENT INFORMATION MANA...
Publication number
20220358526
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Masahiro YOKOTA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TRANSMITTING DEVICE, RECEIVING DEVICE, PACKET TRANSFER SYSTEM,PACKE...
Publication number
20220353206
Publication date
Nov 3, 2022
Nippon Telegraph and Telephone Corporation
Hiroto TAKECHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL CROSS-CONNECT DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...
Publication number
20220286762
Publication date
Sep 8, 2022
Nippon Telegraph and Telephone Corporation
Masatoshi Namiki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE SETTING...
Publication number
20220239376
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Ken Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE, RESTORATION METHOD, PROGRAM, AND TRANSMISSION...
Publication number
20220239369
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Kentaro Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION SYSTEM, DEVICE MANAGEMENT SERVER, FAULT MANAGEMENT MET...
Publication number
20210281489
Publication date
Sep 9, 2021
Nippon Telegraph and Telephone Corporation
Yuji Minato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK APPARATUS INFORMATION MANAGEMENT DEVICE AND NETWORK APPARAT...
Publication number
20210264352
Publication date
Aug 26, 2021
Nippon Telegraph and Telephone Corporation
Masahiro Yokota
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TRANSMISSION SYSTEM MANAGEMENT DEVICE AND TRANSMISSION SYSTEM DESIG...
Publication number
20210266266
Publication date
Aug 26, 2021
Nippon Telegraph and Telephone Corporation
Masatoshi Namiki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER AND FRAMING METHOD
Publication number
20170366288
Publication date
Dec 21, 2017
Nippon Telegraph and Telephone Corporation
Masahiro YOKOTA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER AND FRAMING METHOD
Publication number
20170324472
Publication date
Nov 9, 2017
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSPORT SYSTEM AND RESOURCE OPTIMIZATION METHOD
Publication number
20170324496
Publication date
Nov 9, 2017
Nippon Telegraph and Telephone Corporation
Yoshiaki YAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER, OPTICAL TRANSMISSION DEVICE, AND FRAMING METHOD
Publication number
20170257169
Publication date
Sep 7, 2017
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRONIC APPARATUS
Publication number
20140340846
Publication date
Nov 20, 2014
Fujitsu Limited
RYO KURITA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DEW-CONDENSATION DETECTING APPARATUS, ELECTRONIC EQUIPMENT COOLING...
Publication number
20120216992
Publication date
Aug 30, 2012
Fujitsu Limited
Tsuyoshi SO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METAL SHEET STRUCTURE AND ELECTRONIC DEVICE
Publication number
20120195012
Publication date
Aug 2, 2012
Fujitsu Limited
Hideki MAEDA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ELECTRONIC DEVICE PACKAGE WITH CONNECTION TERMINALS INCLUDING UNEVE...
Publication number
20090242258
Publication date
Oct 1, 2009
FUJITSU LIMITED
Tsuyoshi So
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Automatic power restoring method and optical communication system
Publication number
20090175616
Publication date
Jul 9, 2009
FUJITSU LIMITED
Hiroyuki Deguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Automatic power restoring method and optical communication system
Publication number
20080317461
Publication date
Dec 25, 2008
FUJITSU LIMITED
Hiroyuki Deguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Measurement method by OTDR and terminal station apparatus
Publication number
20070183785
Publication date
Aug 9, 2007
FUJITSU LIMITED
Takayuki Maehara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reverse flow preventing device and electronic apparatus
Publication number
20060124175
Publication date
Jun 15, 2006
FUJITSU LIMITED
Hideki Maeda
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Package stock management method and device
Publication number
20060080291
Publication date
Apr 13, 2006
Masao Murata
G06 - COMPUTING CALCULATING COUNTING