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Multiplex section layer wavelength assignment algorithms
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H04J14/0263
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ELECTRICITY
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Electric communication
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MULTIPLEX COMMUNICATION
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Optical multiplex systems
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H04J14/0263
Multiplex section layer wavelength assignment algorithms
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Patents Grants
last 30 patents
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Patent Grant
Optical network system, optical node device, and optical network co...
Patent number
12,170,539
Issue date
Dec 17, 2024
NEC Corporation
Tomoyuki Hino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength regeneration in a network
Patent number
12,126,501
Issue date
Oct 22, 2024
Level 3 Communications, LLC
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Efficient spectrum allocation in a multi-node optical network
Patent number
12,009,910
Issue date
Jun 11, 2024
Microsoft Technology Licensing, LLC
Yawei Yin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network system, optical node device, and optical network co...
Patent number
11,652,546
Issue date
May 16, 2023
NEC Corporation
Tomoyuki Hino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength regeneration in a network
Patent number
11,637,757
Issue date
Apr 25, 2023
Level 3 Communications, LLC
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Efficient spectrum allocation in a multi-node optical network
Patent number
11,611,405
Issue date
Mar 21, 2023
Microsoft Technology Licensing, LLC
Yawei Yin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-layer wavelength-division multiplexing devices
Patent number
11,310,570
Issue date
Apr 19, 2022
Alliance Fiber Optic Products, Inc.
Dong Gui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network system, optical node device, and optical network co...
Patent number
11,201,668
Issue date
Dec 14, 2021
NEC Corporation
Tomoyuki Hino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network system, optical node device, and optical network co...
Patent number
10,715,249
Issue date
Jul 14, 2020
NEC Corporation
Tomoyuki Hino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength regeneration in a network
Patent number
10,333,796
Issue date
Jun 25, 2019
Level 3 Communications, LLC
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for increasing and decreasing variable optical...
Patent number
10,218,455
Issue date
Feb 26, 2019
Huawei Technologies Co., Ltd.
Zhiyun Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network controller and optical network control method
Patent number
10,193,651
Issue date
Jan 29, 2019
NEC Corporation
Hitoshi Takeshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for determining optical network utilization efficiency
Patent number
10,038,496
Issue date
Jul 31, 2018
Fujitsu Limited
Xi Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for detecting wavelength usage conflicts in an optical network
Patent number
9,496,980
Issue date
Nov 15, 2016
Ciena Corporation
Vipul Bhatnagar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling an optical transmitter that supports multiple modulatio...
Patent number
9,136,972
Issue date
Sep 15, 2015
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical connection hitless bandwidth or spectrum resizing
Patent number
9,124,385
Issue date
Sep 1, 2015
Infinera Corporation
Iftekhar Hussain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength regeneration in a network
Patent number
9,014,022
Issue date
Apr 21, 2015
Level 3 Communications, LLC
Benjamin K. Peterson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for setting an optical path in an optical network
Patent number
8,737,836
Issue date
May 27, 2014
Fujitsu Limited
Sho Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexing network path search method and system
Patent number
8,705,409
Issue date
Apr 22, 2014
ZTE Corporation
Lili Shi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light mark, method and device for light mark modulation and demodul...
Patent number
8,265,480
Issue date
Sep 11, 2012
Huawei Technologies Co., Ltd.
Shuqiang Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission systems, devices, and methods
Patent number
8,064,763
Issue date
Nov 22, 2011
Level 3 Communications, LLC
David F. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Assignment of channel colors in optical networks
Patent number
7,925,163
Issue date
Apr 12, 2011
AT&T Intellectual Property I, L.P.
Moshe Segal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission systems, devices, and methods
Patent number
7,769,290
Issue date
Aug 3, 2010
Broadwing Corporation
David F. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
WAVELENGTH REGENERATION IN A NETWORK
Publication number
20230261949
Publication date
Aug 17, 2023
LEVEL 3 COMMUNICATIONS, LLC
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
Publication number
20230254036
Publication date
Aug 10, 2023
NEC Corporation
Tomoyuki HINO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
Publication number
20220060257
Publication date
Feb 24, 2022
NEC Corporation
Tomoyuki HINO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-LAYER WAVELENGTH-DIVISION MULTIPLEXING DEVICES
Publication number
20210037298
Publication date
Feb 4, 2021
Alliance Fiber Optic Products, Inc.
Dong Gui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reconfigurable Point to Mulitpoint Connections
Publication number
20200382234
Publication date
Dec 3, 2020
Rushmere Technology Limited
Alistair POUSTIE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
Publication number
20200313765
Publication date
Oct 1, 2020
NEC Corporation
Tomoyuki HINO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH REGENERATION IN A NETWORK
Publication number
20190319857
Publication date
Oct 17, 2019
LEVEL 3 COMMUNICATIONS, LLC
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL NETWORK CONTROLLER AND OPTICAL NETWORK CONTROL METHOD
Publication number
20160352452
Publication date
Dec 1, 2016
NEC Corporation
Hitoshi TAKESHITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for increasing and decreasing variable optical...
Publication number
20160127072
Publication date
May 5, 2016
Huawei Technologies Co., Ltd
Zhiyun Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR DETECTING WAVELENGTH USAGE CONFLICTS IN AN OPTICAL NETWORK
Publication number
20160072609
Publication date
Mar 10, 2016
CIENA CORPORATION
Vipul BHATNAGAR
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROLLING AN OPTICAL TRANSMITTER THAT SUPPORTS MULTIPLE MODULATIO...
Publication number
20150188658
Publication date
Jul 2, 2015
Infinera Corp.
Jeffrey T. RAHN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Connection Hitless Bandwidth or Spectrum Resizing
Publication number
20140044431
Publication date
Feb 13, 2014
Iftekhar Hussain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR SETTING AN OPTICAL PATH IN AN OPTICAL NETWORK
Publication number
20120301143
Publication date
Nov 29, 2012
Fujitsu Limited
Sho SHIMIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGHT REGENERATION IN A NETWORK
Publication number
20120123815
Publication date
May 17, 2012
Benjamin K. Peterson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wavelength division multiplexing network path search method and system
Publication number
20120093033
Publication date
Apr 19, 2012
ZTE CORPORATION
Lili Shi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Transmission Systems, Devices, and Methods
Publication number
20100310251
Publication date
Dec 9, 2010
Broadwing Corporation
David F. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Assignment of channel colors in optical networks
Publication number
20100226650
Publication date
Sep 9, 2010
Moshe Segal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT MARK, METHOD AND DEVICE FOR LIGHT MARK MODULATION AND DEMODUL...
Publication number
20090263125
Publication date
Oct 22, 2009
Shuqiang Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission systems, devices, and methods
Publication number
20020196490
Publication date
Dec 26, 2002
Corvis Corporation
David F. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE