SS

Shinichi Sayama

HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
Overall (All Time): #2,877,909 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9903081 Floating flap gate Ryouta Yoshiki, Toru ITAGAKI 2018-02-27