YU

Yasuomi Ueta

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #22,351 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4322777 Circuit board formed with spark gap Tatsuro Toyama 1982-03-30