SK

Shigeya Kawamata

MM Mitsubishi Mining: 1 patents #32 of 234Top 15%
📍 Kagoshima, JP: #4 of 16 inventorsTop 25%
Overall (1989): #57,632 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4872649 Liquid type mass damper with elongated discharge tube — 1989-10-10