SN

Shinjiro Nakatsuka

NM Nippon Steel & Sumitomo Metal: 2 patents #70 of 478Top 15%
Overall (2017): #106,234 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9783876 Stainless steel for oil wells and stainless steel pipe for oil wells Taro Ohe, Hisashi Amaya, Hideki Takabe, Yohei Otome, Yusaku Tomio +3 more 2017-10-10
9555496 Process for producing welded joint using GMA welding and CO2 as a shielding gas Kenta Yamada, Masahiko Hamada, Daisuke Motoya, Hisashi Amaya, Hideki Takabe 2017-01-31