Inventor · disambiguated record
Hiroyuki Hirata
Also filed as: HIRATA HIROYUKI
41 granted patents·21 pending applications·410 citations·filing 1995–2022
97Inventor score
Files withNIPPON STEEL CORP13NIPPON STEEL & SUMITOMO METAL CORP12HIRATA HIROYUKI6HITACHI MAXELL5KAWASAKI HEAVY IND LTD5
Top patents by PatentIndex Score
62 records- 0196US7419315B2Lens deviceHITACHI MAXELL·Filed 2006·Granted Sep 2, 2008·82 cites·17 claims
- 0292US7457052B2Light shield sheet, optical apparatus, and method of manufacturing light shield sheetHITACHI MAXELL·Filed 2005·Granted Nov 25, 2008·35 cites·12 claims
- 0389US10519533B2High Cr-based austenitic stainless steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 31, 2019·2 cites·16 claims
- 0489US6333089B1Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording diskHITACHI MAXELL·Filed 2000·Granted Dec 25, 2001·25 cites·23 claims
- 0588US8133431B2Austenitic stainless steelOSUKI TAKAHIRO·Filed 2009·Granted Mar 13, 2012·7 cites·4 claims
- 0687US6127017ASubstrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording diskHITACHI MAXELL·Filed 1998·Granted Oct 3, 2000·46 cites·19 claims
- 0786US11090755B2Welding material for ferritic heat-resistant steel, welded joint for ferritic heat-resistant steel, and method for producing welded joint for ferritic heat-resistant steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 17, 2021·2 cites·20 claims
- 0885US8526129B2Lens unit, camera module and manufacturing method of lens unitHIRATA HIROYUKI·Filed 2009·Granted Sep 3, 2013·18 cites·14 claims
- 0985US6379611B1High strength, low alloy, heat resistant steelSUMITOMO METAL IND·Filed 2000·Granted Apr 30, 2002·22 cites·11 claims
- 1084US9211601B2Austenitic steel welded jointHIRATA HIROYUKI·Filed 2012·Granted Dec 15, 2015·3 cites·2 claims
- 1184US8293169B2Ni-base heat resistant alloySEMBA HIROYUKI·Filed 2011·Granted Oct 23, 2012·3 cites·4 claims
- 1283US11339462B2Austenitic stainless steel weld metal and welded structureNIPPON STEEL CORP·Filed 2018·Granted May 24, 2022·1 cites·5 claims
- 1383US8313591B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2009·Granted Nov 20, 2012·13 cites·2 claims
- 1482US10266909B2High-strength austenitic stainless steel for high-pressure hydrogen gasOMURA TOMOHIKO·Filed 2012·Granted Apr 23, 2019·2 cites·4 claims
- 1580US8808473B2Austenitic heat resistant alloyHIRATA HIROYUKI·Filed 2012·Granted Aug 19, 2014·2 cites·2 claims
- 1677US6042782AWelding material for stainless steelsSUMIKIN WELDING IND LTD·Filed 1998·Granted Mar 28, 2000·48 cites·5 claims
- 1776US10378091B2Welded jointNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Aug 13, 2019·1 cites·11 claims
- 1876US7238434B2Welded structure having improved resistance to stress corrosion crackingSUMITOMO METAL IND·Filed 2006·Granted Jul 3, 2007·2 cites·16 claims
- 1976US6528012B2Welded structure made of low thermal expansion coefficient alloy and welding material thereforeSUMITOMO METAL IND·Filed 2001·Granted Mar 4, 2003·14 cites·9 claims
- 2074US8865060B2Austenitic stainless steelOSUKI TAKAHIRO·Filed 2012·Granted Oct 21, 2014·1 cites·4 claims
- 2174US6712913B2Ferritic heat-resisting steelSUMITOMO METAL IND·Filed 2003·Granted Mar 30, 2004·8 cites·6 claims
- 2273US9328403B2Ni-based heat resistant alloySEMBA HIROYUKI·Filed 2012·Granted May 3, 2016·1 cites·4 claims
- 2373US6024276AMethod for bonding dual-phase stainless steelSUMITOMO METAL IND·Filed 1998·Granted Feb 15, 2000·38 cites·20 claims
- 2469US11866814B2Austenitic stainless steelNIPPON STEEL CORP·Filed 2020·Granted Jan 9, 2024·0 cites·12 claims
- 2565US10260125B2High-strength austenitic stainless steel for high-pressure hydrogen gasNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Apr 16, 2019·0 cites·6 claims
- 2665US5574416AElectromagnetic relayNIPPON DENSO CO·Filed 1995·Granted Nov 12, 1996·21 cites·14 claims
- 2765US2024351134A1Method for friction-joining galvanized steel sheets, and joined structureUNIV OSAKA·Filed 2022·Application pending·0 cites
- 2864US12054818B2Duplex stainless steel tube and welded jointNIPPON STEEL CORP·Filed 2021·Granted Aug 6, 2024·0 cites·12 claims
- 2964US9302684B2Railcar door apparatus and railcarKAWASAKI HEAVY IND LTD·Filed 2012·Granted Apr 5, 2016·2 cites·6 claims
- 3064US2025332628A1Tailored blank material, method for manufacturing same, and press-molded articleUNIV OSAKA·Filed 2022·Application pending·0 cites
- 3163US11339461B2Austenitic stainless steelNIPPON STEEL CORP·Filed 2018·Granted May 24, 2022·0 cites·3 claims
- 3262US9482043B2Hinged doorKAWASAKI HEAVY IND LTD·Filed 2014·Granted Nov 1, 2016·2 cites·5 claims
- 3361US11834731B2Method of producing ferritic heat-resistant steel welded jointNIPPON STEEL CORP·Filed 2019·Granted Dec 5, 2023·0 cites·6 claims
- 3459US2023220508A1Method for producing austenitic heat resistant steelNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 3559US2023203629A1Austenitic heat resistant steelNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 3659US2024318289A1Heat-resistant ferritic steelNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 3758US11021778B2Austenitic stainless steel weld metal and welded structureNIPPON STEEL CORP·Filed 2018·Granted Jun 1, 2021·0 cites·4 claims
- 3856US2010086430A1Heat resistant ferritic steelHIRATA HIROYUKI·Filed 2009·Application pending·0 cites
- 3955US2022325394A1Austenitic heat-resistant steelNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 4055US2010034689A1Austenitic stainless steelHIRATA HIROYUKI·Filed 2009·Application pending·0 cites
- 4151US8801876B2Ni-based alloy product and producing method thereofISEDA ATSURO·Filed 2012·Granted Aug 12, 2014·0 cites·8 claims
- 4250US6319580B1Recording disk and producing method thereforHITACHI MAXELL·Filed 1999·Granted Nov 20, 2001·9 cites·21 claims
- 4350US2014348695A1Low alloy steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Application pending·0 cites
- 4450US2015047749A1Low alloy steelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Application pending·0 cites
- 4550US2022235445A1Ferritic heat-resistant steelNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 4650US2011108753A1Bite type pipe connection structure, valve, bite type pipe joint, and freezing deviceNAKATA HARUO·Filed 2008·Application pending·0 cites
- 4749US2020238444A1Welding material for austenitic heat resistant steel, weld metal and welded structure, and method for producing weld metal and welded structureNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 4848US10662497B2Austenitic stainless steel and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted May 26, 2020·0 cites·3 claims
- 4948US9944300B2Railcar with end capKAWASAKI HEAVY IND LTD·Filed 2015·Granted Apr 17, 2018·0 cites·10 claims
- 5047US10011286B2Front door for railcarKAWASAKI HEAVY IND LTD·Filed 2015·Granted Jul 3, 2018·0 cites·4 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Hirata files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →