SA

Saburo Akiyama

HI Hitachi: 1 patents #867 of 2,942Top 30%
📍 Koganei, JP: #14 of 47 inventorsTop 30%
Overall (1997): #81,676 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5618065 Electric welding pipe joint having a two layer outer member — 1997-04-08