SN

Seiichiro Nambu

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Overall (All Time): #2,955,270 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9707614 Tube expanding method for manufacturing metal tube Tatsuro Katsumura, Noritsugu Itakura, Kazutoshi Ishikawa 2017-07-18