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Takafumi HAMANO
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Musashino-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Control apparatus, network control method and program
Patent number
11,973,688
Issue date
Apr 30, 2024
Nippon Telegraph and Telephone Corporation
Yukihiro Togari
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
Frame transmission apparatus and method for checking normality
Patent number
9,565,064
Issue date
Feb 7, 2017
Fujitsu Limited
Katsumi Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM
Publication number
20240422099
Publication date
Dec 19, 2024
Nippon Telegraph and Telephone Corporation
Hisashi KOJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PATH DETERMINATION APPARATUS, PATH DETERMINATION METHOD, AND PROGRAM
Publication number
20240244355
Publication date
Jul 18, 2024
Nippon Telegraph and Telephone Corporation
Kojun KOSHIJI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DEFRAGMENTATION APPARATUS, WAVELENGTH DEFRAGMENTATION ME...
Publication number
20240178930
Publication date
May 30, 2024
Nippon Telegraph and Telephone Corporation
Hanami YOKOI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS, NETWORK CONTROL METHOD AND PROGRAM
Publication number
20240048488
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Yukihiro TOGARI
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
FRAME TRANSMISSION APPARATUS AND METHOD FOR CHECKING NORMALITY
Publication number
20150103673
Publication date
Apr 16, 2015
FUJITSU TELECOM NETWORKS LIMITED
Katsumi SHIMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE