Inventor
WAKAHARA HIROAKI
JP4 patents
Patents
4 patentsUS10457371B2Oct 29, 2019
Vessel steering apparatus
YANMAR CO LTD8 citations82
US10078332B2Sep 18, 2018
Ship handling device
YANMAR CO LTD5 citations71
US9963214B2May 8, 2018
Ship handling device
YANMAR CO LTD5 citations71
US9494094B2Nov 15, 2016
Engine rotational speed control device
YANMAR CO LTD0 citations39