Inventor

ARII TOSHIHIKO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “ARII TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI SHIPBUILDING ENG CO

2 patents

US5520137AMay 28, 1996

Twin-hull boat with hydrofoils

HITACHI SHIPBUILDING ENG CO23 citations86

US5408948AApr 25, 1995

Twin-hull boat with hydrofoils and control system

HITACHI SHIPBUILDING ENG CO29 citations86

JAPAN HAMWORTHY & CO LTD

1 patent

US6886485B2May 3, 2005

Twin-rudder system for large ship

JAPAN HAMWORTHY & CO LTD2 citations56