HS

Hiroki Sakai

NM Nippon Steel & Sumitomo Metal: 1 patents #155 of 478Top 35%
📍 Shimabara, JP: #45 of 82 inventorsTop 55%
Overall (2017): #401,090 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9770942 Soundproof wheel for railway vehicle Takahiro Fujimoto, Hideki Minami, Shingo Abe 2017-09-26