KM

Koji Muramatsu

SI Sumitomo Metal Industries: 1 patents #42 of 102Top 45%
Overall (2011): #240,764 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8037732 Method of producing seamless metal tube and punch for use therein Kazuhiro Shimoda, Tomio Yamakawa, Yuji Inoue 2011-10-18