Inventor
OKAMOTO YUKITAKA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO YUKITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA MOTOR CO LTD
14 patentsUS10191490B2Jan 29, 2019
Marine vessel
YAMAHA MOTOR CO LTD30 citations93
US9969473B2May 15, 2018
Jet propulsion boat
YAMAHA MOTOR CO LTD7 citations82
US9403586B2Aug 2, 2016
Jet propelled watercraft
YAMAHA MOTOR CO LTD7 citations82
US9376188B2Jun 28, 2016
Jet propulsion boat
YAMAHA MOTOR CO LTD9 citations82
US9555867B2Jan 31, 2017
Jet propelled watercraft
YAMAHA MOTOR CO LTD2 citations73
US9650121B2May 16, 2017
Watercraft
YAMAHA MOTOR CO LTD5 citations72
US11204617B2Dec 21, 2021
Boat and throttle operating device
YAMAHA MOTOR CO LTD2 citations71
US9545984B2Jan 17, 2017
Jet propelled watercraft
YAMAHA MOTOR CO LTD3 citations71
US12428110B2Sep 30, 2025
Boat control system and marine vessel
YAMAHA MOTOR CO LTD0 citations61
US12497142B2Dec 16, 2025
Method and apparatus for displaying azimuth of marine vessel, marine vessel, and storage medium
YAMAHA MOTOR CO LTD0 citations59
US12424105B2Sep 23, 2025
Information processing method, information processing system, and control program
YAMAHA MOTOR CO LTD0 citations57
US12319394B2Jun 3, 2025
Control device of marine vessel, control system of marine vessel, and marine vessel
YAMAHA MOTOR CO LTD0 citations55
US12589845B2Mar 31, 2026
Vessel operator warning support system and vessel operator warning support method
YAMAHA MOTOR CO LTD0 citations49
US9760091B2Sep 12, 2017
Jet propulsion watercraft and control method thereof
YAMAHA MOTOR CO LTD0 citations35