TO

Takanobu Oikawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Funabashi, JP: #699 of 1,104 inventorsTop 65%
Overall (All Time): #3,362,686 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7409553 Public key certificate generation method, validation method and apparatus thereof Yoko Kumagai, Takahiro Fujishiro, Satoru Tezuka, Izumi Anayama 2008-08-05