ET

Eiji Tooyama

HI Hitachi: 1 patents #311 of 1,214Top 30%
📍 Moriyama, JP: #8 of 41 inventorsTop 20%
Overall (1982): #67,167 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4347564 Hierarchical-structure plant control system Akira Sugano 1982-08-31