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Keizo MURAKAMI
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Tokyo, JP
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Patents Applications
last 30 patents
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Patent Application
KEY EXCHANGE SYSTEM, TERMINAL, SERVER, KEY EXCHANGE METHOD, AND PRO...
Publication number
20240205206
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY EXCHANGE SYSTEM, TERMINAL, SERVER, KEY EXCHANGE METHOD, AND PRO...
Publication number
20240129111
Publication date
Apr 18, 2024
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, INFORMATION PROCESSING APPARATUS, COMMUNICATI...
Publication number
20240056288
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Keizo MURAKAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENCRYPTION APPARATUS, CYPHER COMMUNICATION SYSTEM, ENCRYPTION METHO...
Publication number
20240048362
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Mana UENO
H04 - ELECTRIC COMMUNICATION TECHNIQUE