YK

Yoshihiko KOYANAGI

DC Daido Steel Co.: 2 patents #1 of 39Top 3%
Overall (2020): #104,142 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10689723 Ferritic stainless steel and heat-resistant member Hiroyuki Takabayashi 2020-06-23
10526689 Heat-resistant Ti alloy and process for producing the same Takuma Okajima 2020-01-07