RK

Ryota Koiso

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,460,735 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6954854 Electronic authentication method, electronic authentication apparatus and electronic authentication storage medium Junichi Miura, Yukio Saito 2005-10-11