Inventor
TSUMURA YOUSUKE
JP13 patents
Patents
13 patentsUS10427696B2Oct 1, 2019
Method of producing plate spring for railcar bogie
KAWASAKI HEAVY IND LTD3 citations71
US10723371B2Jul 28, 2020
Plate spring unit and railcar bogie
KAWASAKI HEAVY IND LTD1 citations58
US11299184B2Apr 12, 2022
Railcar bogie including protective film and protective film-equipped plate spring
KAWASAKI HEAVY IND LTD0 citations57
US10913470B2Feb 9, 2021
Railcar steering bogie including brake unit
KAWASAKI HEAVY IND LTD0 citations50
US9595860B2Mar 14, 2017
Field rotor of superconducting rotating machine
KAWASAKI HEAVY IND LTD0 citations50
US11307177B2Apr 19, 2022
Ultrasonic flaw detector and ultrasonic flaw detecting method for composite material
KAWASAKI HEAVY IND LTD0 citations48
US10964131B2Mar 30, 2021
State monitoring device for plate spring of railcar bogie
KAWASAKI HEAVY IND LTD0 citations48
US10703394B2Jul 7, 2020
Method of producing electrode-equipped plate spring of railcar bogie
KAWASAKI HEAVY IND LTD0 citations47
US10800436B2Oct 13, 2020
Railcar steering bogie
KAWASAKI HEAVY IND LTD0 citations39
US10730534B2Aug 4, 2020
Railcar steering bogie
KAWASAKI HEAVY IND LTD0 citations39
US10730533B2Aug 4, 2020
Railcar steering bogie
KAWASAKI HEAVY IND LTD0 citations39
US10676112B2Jun 9, 2020
Axle box suspension of railcar bogie
KAWASAKI HEAVY IND LTD0 citations39
US9499179B2Nov 22, 2016
Railroad vehicle provided with low roof structure
KAWASAKI HEAVY IND LTD0 citations39