TO

Tsuneo Ochiai

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #47,417 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4864836 Rolling method making use of work roll shift rolling mill — 1989-09-12