Inventor
SEMBA HIROYUKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “SEMBA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
7 patentsUS6939415B2Sep 6, 2005
Austenitic stainless steel and manufacturing method thereof
SUMITOMO METAL IND25 citations92
US6918968B2Jul 19, 2005
Austenitic stainless steel
SUMITOMO METAL IND16 citations84
US7531129B2May 12, 2009
Stainless steel for high-pressure hydrogen gas
SUMITOMO METAL IND7 citations73
US7749431B2Jul 6, 2010
Stainless steel for high-pressure hydrogen gas
SUMITOMO METAL IND4 citations62
US7393597B2Jul 1, 2008
Welded joint made of an austenitic steel
SUMITOMO METAL IND4 citations62
US6926778B2Aug 9, 2005
Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof
SUMITOMO METAL IND6 citations62
US7260966B2Aug 28, 2007
Tube shell for manufacturing a seamless steel pipe and a method for its manufacture
SUMITOMO METAL IND1 citations51
NIPPON STEEL & SUMITOMO METAL CORP
4 patentsUS10519533B2Dec 31, 2019
High Cr-based austenitic stainless steel
NIPPON STEEL & SUMITOMO METAL CORP2 citations71
US9932655B2Apr 3, 2018
Ni-based alloy
NIPPON STEEL & SUMITOMO METAL CORP5 citations70
US10260125B2Apr 16, 2019
High-strength austenitic stainless steel for high-pressure hydrogen gas
NIPPON STEEL & SUMITOMO METAL CORP0 citations51
US8801877B2Aug 12, 2014
Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same member
NIPPON STEEL & SUMITOMO METAL CORP0 citations41