Inventor

EHATA SENZOU

2 patents

Patents

2 patents

US3976023AAug 24, 1976

Apparatus for maneuvering a ship

NIIGATA ENGINEERING CO LTD41 citations86

US3962985AJun 15, 1976

Twin-shaft type propulsion arrangement for a tug boat

NIIGATA ENGINEERING CO LTD4 citations56