FO

Fumio Ota

NS Nippon Steel: 1 patents #127 of 421Top 35%
VF Vallourec Oil And Gas France: 1 patents #4 of 24Top 20%
Overall (2021): #453,401 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10883632 Threaded joint for steel pipes Yousuke Oku, Masaaki Sugino 2021-01-05