Inventor
ARATANI MASATOSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ARATANI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
17 patentsUS6749954B2Jun 15, 2004
Welded steel pipe having excellent hydroformability and method for making the same
JFE STEEL CORP25 citations92
US7018488B2Mar 28, 2006
Steel pipe for use in reinforcement of automobile and method for production thereof
JFE STEEL CORP8 citations73
US6755919B2Jun 29, 2004
Stainless steel tube for automobile structure
JFE STEEL CORP8 citations72
US6736910B2May 18, 2004
High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same
JFE STEEL CORP7 citations71
US6949728B2Sep 27, 2005
Impeder for manufacturing welded pipe
JFE STEEL CORP5 citations62
US6723453B2Apr 20, 2004
Welded steel pipe having excellent hydroformability and method for making the same
JFE STEEL CORP2 citations62
US12172487B2Dec 24, 2024
Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same
JFE STEEL CORP0 citations60
US11440125B2Sep 13, 2022
Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same
JFE STEEL CORP0 citations60
US7887649B2Feb 15, 2011
High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same
JFE STEEL CORP3 citations60
US12410497B2Sep 9, 2025
Electric-resistance-welded steel pipe or tube for hollow stabilizer
JFE STEEL CORP0 citations59
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
US12264388B2Apr 1, 2025
Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same
JFE STEEL CORP0 citations57
US12037655B2Jul 16, 2024
Electric resistance welded steel pipe or tube
JFE STEEL CORP0 citations57
US6682829B2Jan 27, 2004
Welded steel pipe having excellent hydroformability and method for making the same
JFE STEEL CORP1 citations52
US7591914B2Sep 22, 2009
High-workability steel pipe and method of producing same
JFE STEEL CORP0 citations51
US11332812B2May 17, 2022
Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same
JFE STEEL CORP0 citations48
US10301703B2May 28, 2019
High-strength welded steel pipe for airbag inflator and method for manufacturing the same
JFE STEEL CORP0 citations40
KAWASAKI STEEL CO
4 patentsUS6042952AMar 28, 2000
Extremely-thin steel sheets and method of producing the same
KAWASAKI STEEL CO31 citations90
US6221180B1Apr 24, 2001
Steel sheet for can and manufacturing method thereof
KAWASAKI STEEL CO16 citations83
US6110299AAug 29, 2000
Steel sheet for double wound pipe and method of producing the pipe
KAWASAKI STEEL CO12 citations73
US6171416B1Jan 9, 2001
Method of producing can steel strip
KAWASAKI STEEL CO8 citations70