Inventor · disambiguated record
Hiroyuki Semba
Also filed as: SEMBA HIROYUKI
20 granted patents·10 pending applications·113 citations·filing 2003–2018
93Inventor score
Files withSUMITOMO METAL IND8NIPPON STEEL & SUMITOMO METAL CORP6NIPPON STEEL CORP4SEMBA HIROYUKI4HIRATA HIROYUKI3
Top patents by PatentIndex Score
30 records- 0189US10519533B2High Cr-based austenitic stainless steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 31, 2019·2 cites·16 claims
- 0289US6939415B2Austenitic stainless steel and manufacturing method thereofSUMITOMO METAL IND·Filed 2004·Granted Sep 6, 2005·25 cites·12 claims
- 0388US7531129B2Stainless steel for high-pressure hydrogen gasSUMITOMO METAL IND·Filed 2005·Granted May 12, 2009·7 cites·20 claims
- 0487US9932655B2Ni-based alloyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Apr 3, 2018·5 cites·16 claims
- 0584US8293169B2Ni-base heat resistant alloySEMBA HIROYUKI·Filed 2011·Granted Oct 23, 2012·3 cites·4 claims
- 0683US8313591B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2009·Granted Nov 20, 2012·13 cites·2 claims
- 0782US10266909B2High-strength austenitic stainless steel for high-pressure hydrogen gasOMURA TOMOHIKO·Filed 2012·Granted Apr 23, 2019·2 cites·4 claims
- 0882US8663400B2Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogenOMURA TOMOHIKO·Filed 2009·Granted Mar 4, 2014·4 cites·6 claims
- 0982US7749431B2Stainless steel for high-pressure hydrogen gasSUMITOMO METAL IND·Filed 2005·Granted Jul 6, 2010·4 cites·15 claims
- 1080US8808473B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2012·Granted Aug 19, 2014·2 cites·2 claims
- 1177US7628647B2Coaxial cable and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Dec 8, 2009·18 cites·10 claims
- 1275US6918968B2Austenitic stainless steelSUMITOMO METAL IND·Filed 2004·Granted Jul 19, 2005·16 cites·8 claims
- 1373US9328403B2Ni-based heat resistant alloySEMBA HIROYUKI·Filed 2012·Granted May 3, 2016·1 cites·4 claims
- 1469US7260966B2Tube shell for manufacturing a seamless steel pipe and a method for its manufactureSUMITOMO METAL IND·Filed 2005·Granted Aug 28, 2007·1 cites·25 claims
- 1567US7393597B2Welded joint made of an austenitic steelSUMITOMO METAL IND·Filed 2005·Granted Jul 1, 2008·4 cites·10 claims
- 1666US6926778B2Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereofSUMITOMO METAL IND·Filed 2003·Granted Aug 9, 2005·6 cites·12 claims
- 1765US10260125B2High-strength austenitic stainless steel for high-pressure hydrogen gasNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Apr 16, 2019·0 cites·6 claims
- 1865US8801877B2Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Aug 12, 2014·0 cites·2 claims
- 1956US8696835B2Austenitic stainless steel for hydrogen gas and a method for its manufactureSEMBA HIROYUKI·Filed 2010·Granted Apr 15, 2014·0 cites·17 claims
- 2055US2011088819A1Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same memberSUMITOMO METAL IND·Filed 2010·Application pending·0 cites
- 2155US2010034689A1Austenitic stainless steelHIRATA HIROYUKI·Filed 2009·Application pending·0 cites
- 2252US2006193743A1Austenitic stainless steel for hydrogen gas and method for its manufactureSEMBA HIROYUKI·Filed 2005·Application pending·0 cites
- 2351US8801876B2Ni-based alloy product and producing method thereofISEDA ATSURO·Filed 2012·Granted Aug 12, 2014·0 cites·8 claims
- 2447US2020325565A1Austenitic heat-resistant steel weld metal, welded joint, welding material for austenitic heat-resistant steel, and method of manufacturing welded jointNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 2547US2021292876A1Austenitic Heat Resistant Alloy and Welded Joint Including the SameNIPPON STEEL CORP·Filed 2017·Application pending·0 cites
- 2645US2020232081A1Austenitic Heat Resistant Alloy and Method for Producing SameNIPPON STEEL CORP·Filed 2017·Application pending·0 cites
- 2743US2020010931A1Ni-Based Heat Resistant Alloy and Method for Producing the SameNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 2843US2018216215A1Austenitic heat-resistant alloy and welded structureNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 2943US2017268085A1Austenitic stainless steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 3042US2006191600A1Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereofOMURA TOMOHIKO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →