KA

Koji Akioka

NS Nippon Steel: 2 patents #58 of 421Top 15%
Overall (2021): #140,280 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11028276 Surface-treated metal sheet, coated member, and method for producing coated member Yasuaki Kawamura, Akihiro Sengoku, Yoichiro Mori 2021-06-08
10987695 Hot-dip zinc-based plated steel sheet Yasuaki Kawamura, Akihiro Sengoku 2021-04-27