IT

Isao Tonooka

HI Hitachi: 1 patents #311 of 1,214Top 30%
📍 Ibaraki, JP: #62 of 203 inventorsTop 35%
Overall (1982): #18,077 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311936 Brush holding device for electric motor Sozaburo Ozaki 1982-01-19