SD

Sadao Douchi

NS Nippon Steel: 1 patents #103 of 290Top 40%
VF Vallourec Oil And Gas France: 1 patents #8 of 22Top 40%
Overall (2023): #269,663 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11719365 Threaded connection for steel pipe Yousuke Oku 2023-08-08