KF

Kouichi Funabasama

NI Nitsuko: 1 patents #31 of 78Top 40%
Overall (All Time): #4,020,236 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4536619 Ringing signal detection circuit Fumikazu Hamatani 1985-08-20