KN

Kenichi Nakakuro

TS Tokyo Metropolitan Sewerage Service: 1 patents #13 of 34Top 40%
📍 Toyama, JP: #783 of 1,699 inventorsTop 50%
Overall (All Time): #2,170,868 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7073869 Shield tunneling machine 2006-07-11
6332652 Tunnel excavator with variable pressure water jets 2001-12-25