YK

Yukitoshi Kageyama

SE Sega Enterprises: 1 patents #260 of 515Top 55%
Overall (All Time): #3,672,901 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6009523 Information processing apparatus with security checking function Hidetaka Owaki, Takeshi Nagashima 1999-12-28