Inventor

KOKUBO SHINSAKU

JP5 patents

Patents

5 patents

US12172487B2Dec 24, 2024

Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same

JFE STEEL CORP0 citations60

US10787720B2Sep 29, 2020

Electric resistance welded steel pipe for high-strength hollow stabilizer, and method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer

JFE STEEL CORP1 citations59

US11045896B2Jun 29, 2021

Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same

JFE STEEL CORP0 citations56

US11332812B2May 17, 2022

Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same

JFE STEEL CORP0 citations48

US10369655B2Aug 6, 2019

Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same

JFE STEEL CORP0 citations45