RI

Ryuichi Imai

NM Nippon Steel & Sumitomo Metal: 1 patents #106 of 440Top 25%
VF Vallourec Mannesmann Oil & Gas France: 1 patents #1 of 7Top 15%
📍 Kainan, JP: #1 of 2 inventorsTop 50%
Overall (2016): #242,727 of 481,213Top 55%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9321982 Threaded joint for pipes Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Keishi Matsumoto, Michihiko Iwamoto +1 more 2016-04-26