IT

Isamu Takenaka

HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
Overall (All Time): #3,769,027 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5408948 Twin-hull boat with hydrofoils and control system Toshihiko Arii, Katsuaki Fujiya, Tadao Takai, Yuki NAKAGAWA, Yasuo Nakai 1995-04-25