RT

Ryutaro Tamura

AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #2,358,353 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4453061 Capacitance type switch having dust-free interior 1984-06-05
4423464 Variable capacitance type push-button switch Yasushi Endo 1983-12-27