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Mitsumasa Date

📍 Toda, JP: #95 of 212 inventorsTop 45%
Overall (All Time): #2,041,456 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9225523 Authentication system and authentication method Masayuki Itoi 2015-12-29
8290875 Authentication system and authentication method Masayuki Itoi 2012-10-16