TN

Takuji Nakai

NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
📍 Kishiwada, JP: #41 of 108 inventorsTop 40%
Overall (All Time): #1,541,300 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8511238 Steerable truck for a railway car, a railway car, and an articulated car Satoshi Kikko, Yujin Tsutsui 2013-08-20
8418627 Two-axle truck for a railway car and a railway car Satoshi Kikko 2013-04-16
7975619 Two-axle truck for a railway car and a railway car Satoshi Kikko 2011-07-12