P

Inventor

YAMAGUCHI KOHEI

JP61 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMAHA MOTOR CO LTD

16 patents
US10435127B2Oct 8, 2019

Vessel propulsion system and vessel including the same

YAMAHA MOTOR CO LTD16 citations94
US12351287B2Jul 8, 2025

Watercraft maneuvering control apparatus, and watercraft maneuvering system

YAMAHA MOTOR CO LTD2 citations75
US11573087B1Feb 7, 2023

Boat maneuvering control method for boat and boat maneuvering control system for boat

YAMAHA MOTOR CO LTD4 citations75
US11370520B1Jun 28, 2022

Vessel steering system and vessel steering method

YAMAHA MOTOR CO LTD2 citations73
US11372412B1Jun 28, 2022

Vessel steering system and vessel steering method

YAMAHA MOTOR CO LTD3 citations73
US10167067B2Jan 1, 2019

Vessel propulsion apparatus and vessel including the same

YAMAHA MOTOR CO LTD4 citations73
US12332646B1Jun 17, 2025

Steering control system of marine vessel, marine vessel and steering control method of marine vessel

YAMAHA MOTOR CO LTD1 citations64
US12013699B1Jun 18, 2024

Boat maneuvering control method for boat and boat maneuvering control system for boat

YAMAHA MOTOR CO LTD0 citations63
US11420716B2Aug 23, 2022

Vessel propulsion system and vessel including the same

YAMAHA MOTOR CO LTD0 citations63
US10661868B2May 26, 2020

Vessel propulsion apparatus and vessel including the same

YAMAHA MOTOR CO LTD1 citations63
US12221200B2Feb 11, 2025

Marine vessel maneuvering system and marine vessel

YAMAHA MOTOR CO LTD0 citations62
US11505300B1Nov 22, 2022

Ship maneuvering system and ship maneuvering method

YAMAHA MOTOR CO LTD1 citations62
US11453471B1Sep 27, 2022

Vessel steering system and vessel steering method

YAMAHA MOTOR CO LTD0 citations62
US10894589B1Jan 19, 2021

Ship maneuvering system and ship maneuvering method

YAMAHA MOTOR CO LTD0 citations62
US12221199B1Feb 11, 2025

System for and method of controlling propulsion device

YAMAHA MOTOR CO LTD0 citations52
US11366474B1Jun 21, 2022

Vessel steering system and vessel steering method

YAMAHA MOTOR CO LTD0 citations52

HITACHI HIGH TECH CORP

10 patents

PANASONIC IP CORP AMERICA

4 patents

YAMAGUCHI KOHEI

4 patents

HONDA MOTOR CO LTD

3 patents

PANASONIC IP MAN CO LTD

2 patents

DAI-ICHI SEIKO CO LTD

2 patents

YAMADA KAZUNORI

1 patent

OSHIMA MITSUAKI

1 patent

SANDISK TECHNOLOGIES LLC

1 patent

OKI ELECTRIC IND CO LTD

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

DAIDO STEEL CO LTD

1 patent

HITACHI LTD

1 patent

HIRAI TAKEHIRO

1 patent

UNIV NAT CORP TOKYO MEDICAL & DENTAL

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.