Inventor
KAWAMURA SHUJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
5 patentsUS7879287B2Feb 1, 2011
Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same
JFE STEEL CORP15 citations83
US11313008B2Apr 26, 2022
Steel member and production method therefor
JFE STEEL CORP1 citations61
US11401594B2Aug 2, 2022
Hot-rolled steel sheet for coiled tubing and method for manufacturing the same
JFE STEEL CORP0 citations51
US11214847B2Jan 4, 2022
High-strength hot-rolled steel sheet for electric resistance welded steel pipe and manufacturing method therefor
JFE STEEL CORP0 citations46
US10876180B2Dec 29, 2020
Method of manufacturing hot rolled steel sheet for square column for building structural members
JFE STEEL CORP0 citations46