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Yoichi FUKADA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Signal converting apparatus and signal converting method
Patent number
12,355,493
Issue date
Jul 8, 2025
Nippon Telegraph and Telephone Corporation
Akihiro Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical power reception apparatus, communication apparatus and opti...
Patent number
12,308,890
Issue date
May 20, 2025
Nippon Telegraph and Telephone Corporation
Kyo Minoguchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Signal transfer device, signal transfer method, signal transfer con...
Patent number
12,114,201
Issue date
Oct 8, 2024
Nippon Telegraph and Telephone Corporation
Naotaka Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control system, network controller and computer program
Patent number
12,028,364
Issue date
Jul 2, 2024
Nippon Telegraph and Telephone Corporation
Takahiro Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal transfer system, signal transfer device, route control devic...
Patent number
11,924,740
Issue date
Mar 5, 2024
Nippon Telegraph and Telephone Corporation
Naotaka Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Route control method and route control device
Patent number
11,825,395
Issue date
Nov 21, 2023
Nippon Telegraph and Telephone Corporation
Naotaka Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control system, communication control method, communi...
Patent number
11,711,303
Issue date
Jul 25, 2023
Nippon Telegraph and Telephone Corporation
Hiroyuki Uzawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Route control method and route control device
Patent number
11,706,664
Issue date
Jul 18, 2023
Nippon Telegraph and Telephone Corporation
Naotaka Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control apparatus and communication control method
Patent number
11,582,155
Issue date
Feb 14, 2023
Nippon Telegraph and Telephone Corporation
Takahiro Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control system and communication control method
Patent number
11,463,382
Issue date
Oct 4, 2022
Nippon Telegraph and Telephone Corporation
Hiroyuki Uzawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network control apparatus and network control method
Patent number
11,451,481
Issue date
Sep 20, 2022
Nippon Telegraph and Telephone Corporation
Takahiro Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMISSION APPARATUS, OPTICA...
Publication number
20250132837
Publication date
Apr 24, 2025
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS, AND CONTROL METHOD
Publication number
20250125877
Publication date
Apr 17, 2025
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING APPARATUS, OPTICAL RECEIVING METHOD AND OPTICAL T...
Publication number
20250080223
Publication date
Mar 6, 2025
Nippon Telegraph and Telephone Corporation
Toshiaki SHITABA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD AND OPT...
Publication number
20240421910
Publication date
Dec 19, 2024
Nippon Telegraph and Telephone Corporation
Toshiaki SHITABA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL AMPLIFICATION METHOD AND OPTICAL RECEIVING APPARATUS
Publication number
20240356654
Publication date
Oct 24, 2024
Nippon Telegraph and Telephone Corporation
Toshiaki SHITABA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS AND OPTICAL TRANSMITTING METHOD
Publication number
20240162991
Publication date
May 16, 2024
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD, AND OP...
Publication number
20240063916
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Toshiaki SHITABA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTING APPARATUS AND SIGNAL DETECTION METHOD
Publication number
20240056193
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Akihiro TANABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL CONVERTING APPARATUS AND SIGNAL CONVERTING METHOD
Publication number
20230370167
Publication date
Nov 16, 2023
Nippon Telegraph and Telephone Corporation
Akihiro TANABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL POWER RECEPTION APPARATUS, COMMUNICATION APPARATUS AND OPTI...
Publication number
20230344525
Publication date
Oct 26, 2023
Nippon Telegraph and Telephone Corporation
Kyo MINOGUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER METHOD, SIGNAL TRANSFER CON...
Publication number
20220217572
Publication date
Jul 7, 2022
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, ROUTE CONTROL DEVIC...
Publication number
20220210718
Publication date
Jun 30, 2022
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL METHOD, COMMUNI...
Publication number
20220200911
Publication date
Jun 23, 2022
Nippon Telegraph and Telephone Corporation
Hiroyuki UZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTE CONTROL METHOD AND ROUTE CONTROL DEVICE
Publication number
20220116825
Publication date
Apr 14, 2022
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTE CONTROL METHOD AND ROUTE CONTROL DEVICE
Publication number
20220030500
Publication date
Jan 27, 2022
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL SYSTEM AND COMMUNICATION CONTROL METHOD
Publication number
20210336902
Publication date
Oct 28, 2021
Nippon Telegraph and Telephone Corporation
Hiroyuki UZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL SYSTEM, NETWORK CONTROLLER AND COMPUTER PROGRAM
Publication number
20210306362
Publication date
Sep 30, 2021
Nippon Telegraph and Telephone Corporation
Takahiro KUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL APPARATUS AND COMMUNICATION CONTROL METHOD
Publication number
20210266263
Publication date
Aug 26, 2021
Nippon Telegraph and Telephone Corporation
Takahiro KUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK CONTROL APPARATUS AND NETWORK CONTROL METHOD
Publication number
20210176177
Publication date
Jun 10, 2021
Nippon Telegraph and Telephone Corporation
Takahiro KUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE