Inventor
MIYATA YUKIO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “MIYATA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI STEEL CO
5 patentsUS6540848B2Apr 1, 2003
High strength, high toughness, seamless steel pipe for line pipe
KAWASAKI STEEL CO19 citations92
US6464802B1Oct 15, 2002
High Cr steel pipe for line pipe
KAWASAKI STEEL CO7 citations74
US5985209ANov 16, 1999
Martensitic steel for line pipe having excellent corrosion resistance and weldability
KAWASAKI STEEL CO9 citations72
US6136109AOct 24, 2000
Method of manufacturing high chromium martensite steel pipe having excellent pitting resistance
KAWASAKI STEEL CO4 citations61
US5858128AJan 12, 1999
High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing
KAWASAKI STEEL CO4 citations61
JFE STEEL CORP
4 patentsUS9708681B2Jul 18, 2017
High-strength seamless steel pipe for oil well use having excellent resistance to sulfide stress cracking
JFE STEEL CORP13 citations83
US6846371B2Jan 25, 2005
Method for making high-strength high-toughness martensitic stainless steel seamless pipe
JFE STEEL CORP7 citations74
US9758850B2Sep 12, 2017
High strength stainless steel seamless pipe with excellent corrosion resistance for oil well and method of manufacturing the same
JFE STEEL CORP3 citations73
US10421145B2Sep 24, 2019
Method for producing circumferential weld joint for low-carbon martensitic stainless steel pipes
JFE STEEL CORP0 citations41