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Shigeru Toyoshima

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,588,449 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6263190 Mobile communication apparatus with a security function and a method of communicating with a base station with security Yoshiki Mamori, Hiroyuki Saito 2001-07-17