Inventor

KUNITAKE YOSHIKUNI

JP4 patents

Patents

4 patents

US5010835AApr 30, 1991

Semi-submerged glass boat

MITSUI SHIPBUILDING ENG12 citations71

US5002004AMar 26, 1991

Planing boat

MITSUI SHIPBUILDING ENG15 citations71

US4309172AJan 5, 1982

Ship with improved stern structure

MITSUI SHIPBUILDING ENG12 citations71

US4345533AAug 24, 1982

Semi-submerged ship

MITSUI SHIPBUILDING ENG16 citations69