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Inventor
ICHIHARA TOMOHARU
JP
2 patents
Patents
2 patents
US12021802B2
Jun 25, 2024
Chat bot control device, chat bot control method, and chat bot control device system
HITACHI SYSTEMS LTD
0 citations
50
US11799804B2
Oct 24, 2023
Chat bot control device, chat bot control method, and chat bot control device system
HITACHI SYSTEMS LTD
0 citations
50