HS

Hiroshi Sakai

MM Mitsubishi Mining: 1 patents #32 of 234Top 15%
📍 Nagano, JP: #10 of 17 inventorsTop 60%
Overall (1989): #104,294 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4873156 Solid electrolytic fuel cell and method for manufacturing same Tokuki Satake, Hayami Nakatani, Masaharu Nakamori, Masaru Ishibashi 1989-10-10