Inventor

YAMADA JYOJI

JP4 patents

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

KAWASAKI HEAVY IND LTD

2 patents

US10843714B2Nov 24, 2020

Carbody of railcar

KAWASAKI HEAVY IND LTD1 citations60

US11260758B2Mar 1, 2022

Railcar control device, train set, and method of controlling traction motor

KAWASAKI HEAVY IND LTD0 citations47

ALPINE ELECTRONICS INC

2 patents

US10957332B2Mar 23, 2021

Acoustic characteristic measurement device and method

ALPINE ELECTRONICS INC0 citations46

US10516956B2Dec 24, 2019

Failure detection device, failure detection system, and failure detection method

ALPINE ELECTRONICS INC0 citations32