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Keisuke YAMAGATA
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Musashino-shi, Tokyo, JP
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Patents Applications
last 30 patents
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Patent Application
TIME SYNCHRONIZATION DEVICE, TIME SYNCHRONIZATION METHOD, AND PROGRAM
Publication number
20240421930
Publication date
Dec 19, 2024
Nippon Telegraph and Telephone Corporation
Keisuke YAMAGATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEASURING DEVICE, MEASURING METHOD, AND TIME SYNCHRONIZATION SYSTEM
Publication number
20240255898
Publication date
Aug 1, 2024
Nippon Telegraph and Telephone Corporation
Keisuke YAMAGATA
G04 - HOROLOGY
Information
Patent Application
TRANSFER DEVICE, TRANSFER METHOD, TRANSFER SYSTEM, AND PROGRAM
Publication number
20240064097
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Keisuke YAMAGATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE, METHOD, SYSTEM AND PROGRAM FOR DISTRIBUTING TRAFFIC
Publication number
20230231807
Publication date
Jul 20, 2023
Nippon Telegraph and Telephone Corporation
Hideo KAWATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION PATH SWITCHING METHOD, COMMUNIC...
Publication number
20230208753
Publication date
Jun 29, 2023
Nippon Telegraph and Telephone Corporation
Keisuke YAMAGATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTE SWITCHING METHOD, TRANSFER DEVICE, AND COMMUNICATION SYSTEM
Publication number
20230155924
Publication date
May 18, 2023
Nippon Telegraph and Telephone Corporation
Keisuke YAMAGATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE