RI

Ryuichi Imai

SI Sumitomo Metal Industries: 2 patents #13 of 102Top 15%
VF Vallourec Mannesmann Oil & Gas France: 1 patents #8 of 22Top 40%
📍 Kainan, JP: #1 of 3 inventorsTop 35%
Overall (2011): #69,866 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7883118 Threaded joint for steel pipes Kunio Goto 2011-02-08
7866706 Threaded joint for steel pipe Kunio Goto, Yasuhiro Ogawa, Junichi Minami 2011-01-11