IT

Ichiro Tokunaga

AC Alps Electric Co.: 27 patents #24 of 2,177Top 2%
📍 Osaki, JP: #5 of 142 inventorsTop 4%
Overall (All Time): #147,558 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4580871 Rotary encoder Hiroshi Matsunaga, Yoji Shimojima, Kosei Obata 1986-04-08
4580130 Rotary encoder Hiroshi Matsunaga, Yoji Shimojima 1986-04-01