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Kazuaki HONDA
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Musashino-shi, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmission system, transmission method, and communication system
Patent number
12,101,124
Issue date
Sep 24, 2024
Nippon Telegraph and Telephone Corporation
Takuya Kanai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication apparatus, wavelength calibration method, and...
Patent number
11,095,372
Issue date
Aug 17, 2021
Nippon Telegraph and Telephone Corporation
Kazuaki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modulation/demodulation method, optical communication syste...
Patent number
11,082,133
Issue date
Aug 3, 2021
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COMMUNICATION DEVICE AND CONTROL METHOD
Publication number
20240372625
Publication date
Nov 7, 2024
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RELAY APPARATUS, OPTICAL ACCESS SYSTEM AND RELAY METHOD
Publication number
20240284081
Publication date
Aug 22, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHOD AND COMMUNICATION SYSTEM
Publication number
20240276128
Publication date
Aug 15, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ACCESS SYSTEM AND MONITORING METHOD
Publication number
20240187092
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE, CONTROL METHOD AND OPTICAL COMMUNICAT...
Publication number
20240056189
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Yasunari TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE, OPTICAL ACCESS SYSTEM AND OPTICAL COM...
Publication number
20240031020
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Kazuaki HONDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE, OPTICAL ACCESS SYSTEM AND OPTICAL COM...
Publication number
20230421283
Publication date
Dec 28, 2023
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND PROTECTION METHOD FOR OPTICAL COMM...
Publication number
20230308174
Publication date
Sep 28, 2023
Nippon Telegraph and Telephone Corporation
Shin KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION SYSTEM, TRANSMISSION METHOD, AND COMMUNICATION SYSTEM
Publication number
20230170999
Publication date
Jun 1, 2023
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL PROCESSING APPARATUS AND OPTICAL SIGNAL PROCESSING M...
Publication number
20230163856
Publication date
May 25, 2023
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMUNICATION SYSTEM AND O...
Publication number
20230030158
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION APPARATUS, WAVELENGTH CALIBRATION METHOD, AND...
Publication number
20210083778
Publication date
Mar 18, 2021
Kazuaki HONDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULATION/DEMODULATION METHOD, OPTICAL COMMUNICATION SYSTE...
Publication number
20210013971
Publication date
Jan 14, 2021
Nippon Telegraph and Telephone Corporation
Kazutaka HARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE