YH

Yoshiaki Hirota

NM Nippon Steel & Sumitomo Metal: 1 patents #155 of 478Top 35%
Overall (2017): #187,693 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9702019 Quenched steel pipe member, vehicle axle beam using quenched steel pipe member, and method for manufacturing quenched steel pipe member Takaaki Fukushi, Koichi Sato, Satoshi Kato, Hideki Hamatani 2017-07-11