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Yasunari TANAKA
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Musashino-shi, JP
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last 30 patents
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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
INSTALLATION METHOD OF OPTICAL COMMUNICATION DEVICE AND OPTICAL COM...
Publication number
20230361876
Publication date
Nov 9, 2023
Nippon Telegraph and Telephone Corporation
Yasunari TANAKA
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