YS

Yuji Shingu

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #21,376 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4315180 High voltage piezoelectric generating device with lengthened spark time Kaneichi Kondo 1982-02-09