RS

Ryuichi Sakai

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #4,038,546 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4462777 Blow-moulding machine Teishiro Watanabe, Makoto Tsunoi, Toshio Kai, Hiroshi Shiota, Hiroshi Nakabayashi +1 more 1984-07-31