SN

Shoji Nagai

MM Mitsubishi Mining: 1 patents #49 of 289Top 20%
Overall (1994): #68,485 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5282485 Jet pickling apparatus Etsuro Hirai, Keiji Tanizaki, Tadanori Miyamoto, Yoshinobu Nakane, Muneki Kita +2 more 1994-02-01