TY

Tomio Yamakawa

NM Nippon Steel & Sumitomo Metal: 1 patents #155 of 478Top 35%
Overall (2017): #210,377 of 506,227Top 45%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9545658 Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe Kazuhiro Shimoda, Kouji Yamane, Yuji Inoue, Syusuke Shimooka, Kouji Muramatsu 2017-01-17