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Tomokazu SAKAI
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Tokyo, JP
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last 30 patents
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Patent Application
TOKEN MANAGEMENT METHOD, END-USER MANAGEMENT APPARATUS, AND TOKEN P...
Publication number
20230370266
Publication date
Nov 16, 2023
Hitachi, Ltd
Yuki KONDO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
ELECTRONIC PAYMENT SYSTEM AND ELECTRONIC PAYMENT METHOD
Publication number
20230325822
Publication date
Oct 12, 2023
Hitachi, Ltd
Suguru NAGAHORA
G06 - COMPUTING CALCULATING COUNTING