KK

Keiichi Katayama

MM Mitsubishi Mining: 1 patents #32 of 234Top 15%
📍 Yonago, JP: #2 of 7 inventorsTop 30%
Overall (1989): #88,559 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4795927 Control system for a magnetic type bearing Shigeki Morii 1989-01-03