Inventor
ICHIJO KOHJI
JP3 patents
Patents
3 patentsUS4611549ASep 16, 1986
Rotation control system for Z-type propulsion apparatus
NIIGATA ENGINEERING CO LTD33 citations88
US4636701AJan 13, 1987
System for controlling rotation of rotary mechanism in Z-type propulsion apparatus
NIIGATA ENGINEERING CO LTD10 citations69
US4610214ASep 9, 1986
Rotation control system for Z-type propulsion apparatus
NIIGATA ENGINEERING CO LTD1 citations48