NH

Naoya Hayakawa

JS Jfe Steel: 1 patents #121 of 279Top 45%
Overall (2022): #320,892 of 548,613Top 60%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11453079 Multi-electrode submerged arc welding method Atsushi Ishigami 2022-09-27