Inventor · disambiguated record
Hirokazu Okada
Also filed as: OKADA HIROKAZU
35 granted patents·14 pending applications·186 citations·filing 2000–2023
96Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP12NIPPON STEEL CORP8SUMITOMO METAL IND5HIRATA HIROYUKI3OSUKI TAKAHIRO3
Top patents by PatentIndex Score
49 records- 0196US6458318B1Heat resistant nickel base alloySUMITOMO METAL IND·Filed 2000·Granted Oct 1, 2002·64 cites·24 claims
- 0294US6702906B2Ni-base heat resistant alloy and welded joint thereofSUMITOMO METAL IND·Filed 2002·Granted Mar 9, 2004·40 cites·8 claims
- 0393US7951469B2Welding material and welded joint structureSUMITOMO METAL IND·Filed 2010·Granted May 31, 2011·6 cites·18 claims
- 0489US10519533B2High Cr-based austenitic stainless steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 31, 2019·2 cites·16 claims
- 0589US7731895B2Austenitic Fe-Ni-Cr alloySUMITOMO METAL IND·Filed 2007·Granted Jun 8, 2010·7 cites·4 claims
- 0688US11634804B2Austenitic stainless steel weld jointNIPPON STEEL CORP·Filed 2019·Granted Apr 25, 2023·1 cites·8 claims
- 0787US12054797B2Austenitic stainless steel material and welded jointNIPPON STEEL CORP·Filed 2020·Granted Aug 6, 2024·1 cites·5 claims
- 0887US9932655B2Ni-based alloyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Apr 3, 2018·5 cites·16 claims
- 0985US2023203632A1Austenitic stainless steel weld jointNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 1083US11167369B2Method of manufacturing welded structure of ferritic heat-resistant steel and welded structure of ferritic heat-resistant steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Nov 9, 2021·1 cites·6 claims
- 1183US8313591B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2009·Granted Nov 20, 2012·13 cites·2 claims
- 1282US10266909B2High-strength austenitic stainless steel for high-pressure hydrogen gasOMURA TOMOHIKO·Filed 2012·Granted Apr 23, 2019·2 cites·4 claims
- 1380US8808473B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2012·Granted Aug 19, 2014·2 cites·2 claims
- 1478US11060156B2Method of manufacturing welded structure of ferritic heat-resistant steel and welded structure of ferritic heat-resistant steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jul 13, 2021·1 cites·6 claims
- 1576US10378091B2Welded jointNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Aug 13, 2019·1 cites·11 claims
- 1676US8137613B2Austenitic stainless steel welded joint and austenitic stainless steel welding materialOSUKI TAKAHIRO·Filed 2009·Granted Mar 20, 2012·2 cites·4 claims
- 1775US8158274B2Welding material and welded joint structureOSUKI TAKAHIRO·Filed 2011·Granted Apr 17, 2012·1 cites·18 claims
- 1874US6486817B1Digital-analog conversion circuit capable of functioning at a low power supply voltageFUJITSU LTD·Filed 2000·Granted Nov 26, 2002·23 cites·9 claims
- 1973US10233523B2Carburization resistant metal materialNISHIYAMA YOSHITAKA·Filed 2012·Granted Mar 19, 2019·1 cites·8 claims
- 2073US9328403B2Ni-based heat resistant alloySEMBA HIROYUKI·Filed 2012·Granted May 3, 2016·1 cites·4 claims
- 2168US8613817B2Method for producing duplex stainless steel seamless pipeHIRASE NAOYA·Filed 2007·Granted Dec 24, 2013·1 cites·4 claims
- 2265US10260125B2High-strength austenitic stainless steel for high-pressure hydrogen gasNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Apr 16, 2019·0 cites·6 claims
- 2365US8801877B2Austenitic 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
- 2462US11979057B2Rotor for eddy current deceleration deviceNIPPON STEEL CORP·Filed 2020·Granted May 7, 2024·0 cites·2 claims
- 2562US9728426B2Method for producing resin-encapsulated electronic component, bump-formed plate-like member, resin-encapsulated electronic component, and method for producing bump-formed plate-like memberTOWA CORP·Filed 2014·Granted Aug 8, 2017·2 cites·3 claims
- 2661US11764661B2Eddy current deceleration deviceNIPPON STEEL CORP·Filed 2020·Granted Sep 19, 2023·0 cites·4 claims
- 2761US7785426B2Welded joint of tempered martensite based heat-resistant steelNAT INST FOR MATERIALS SCIENCE·Filed 2004·Granted Aug 31, 2010·4 cites·2 claims
- 2858US11215356B2Ni-based alloy pipe for nuclear powerNIPPON STEEL CORP·Filed 2018·Granted Jan 4, 2022·0 cites·4 claims
- 2957US9580827B2Method for producing electronic component, bump-formed plate-like member, electronic component, and method for producing bump-formed plate-like memberTOWA CORP·Filed 2015·Granted Feb 28, 2017·1 cites·45 claims
- 3056US8013589B2Semiconductor deviceFUJITSU SEMICONDUCTOR LTD·Filed 2009·Granted Sep 6, 2011·2 cites·9 claims
- 3155US2011088819A1Austenitic 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
- 3255US2010034689A1Austenitic stainless steelHIRATA HIROYUKI·Filed 2009·Application pending·0 cites
- 3354US2009196783A1Austenitic stainless steel welded joint and austenitic stainless steel welding materialOSUKI TAKAHIRO·Filed 2009·Application pending·0 cites
- 3451US8801876B2Ni-based alloy product and producing method thereofISEDA ATSURO·Filed 2012·Granted Aug 12, 2014·0 cites·8 claims
- 3550US8863564B2Lubricant composition for hot metal working and method of hot metal working using the sameSHIMODA KAZUHIRO·Filed 2007·Granted Oct 21, 2014·0 cites·3 claims
- 3647US2021292876A1Austenitic Heat Resistant Alloy and Welded Joint Including the SameNIPPON STEEL CORP·Filed 2017·Application pending·0 cites
- 3745US2020232081A1Austenitic Heat Resistant Alloy and Method for Producing SameNIPPON STEEL CORP·Filed 2017·Application pending·0 cites
- 3844US2019284666A1NiCrFe AlloyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Application pending·0 cites
- 3944US2019100826A1Ni-Fe-Cr AlloyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 4044US2019194787A1Austenitic Stainless SteelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Application pending·0 cites
- 4143US2017268085A1Austenitic stainless steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 4243US2018179619A1Austenitic Heat-Resistant Alloy and Welded StructureNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 4342US11510701B2Semen storage containerOKADA HIROKAZU·Filed 2017·Granted Nov 29, 2022·0 cites·7 claims
- 4441US8338331B2Sheet for thermal transcriptionHORII AKIHIRO·Filed 2005·Granted Dec 25, 2012·0 cites·7 claims
- 4539US2012031534A1METHOD FOR PRODUCING HIGH-STRENGTH Cr-Ni ALLOY SEAMLESS PIPEOTOME YOHEI·Filed 2011·Application pending·0 cites
- 4637US2008216927A1High Temperature Bolt MaterialOHBA TOSHIO·Filed 2004·Application pending·0 cites
- 4731US6362131B1Thermally transferred sheetSONY CORP·Filed 2000·Granted Mar 26, 2002·2 cites·2 claims
- 4831US2012223392A1Semiconductor deviceOKADA HIROKAZU·Filed 2012·Application pending·0 cites
- 4927US8071020B2High strength Cr-Ni alloy material and seamless pipe for oil wellOTOME YOHEI·Filed 2009·Granted Dec 6, 2011·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →