YK

Yuji Koyama

NS NS Sumikin Stainless: 1 patents #9 of 20Top 45%
📍 Tokyo, MS: #8 of 8 inventorsTop 100%
Overall (2019): #205,927 of 560,194Top 40%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10260134 Hot rolled ferritic stainless steel sheet for cold rolling raw material Junichi Hamada, Yoshiharu Inoue, Tadashi Komori, Fumio Fudanoki, Toshio Tanoue +1 more 2019-04-16