SO

Shunichi Otsuka

NM Nippon Steel & Sumitomo Metal: 1 patents #170 of 466Top 40%
Overall (2018): #239,038 of 503,207Top 50%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9938602 Production method and production facility of metal pipe Kazuhiro Uchida, Takuya HANADA, Masami Sakiyama, Tsutomu Shima 2018-04-10