YH

Yoichiro Hama

JS Jfe Steel: 1 patents #112 of 280Top 40%
Overall (2021): #200,539 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11156403 Graphite-containing refractory and method of producing graphite-containing refractory Keisuke Yoshida, Hisahiro Matsunaga 2021-10-26