Inventor · disambiguated record
Hideyuki Hamamura
Also filed as: HAMAMURA HIDEYUKI
34 granted patents·11 pending applications·81 citations·filing 2003–2023
95Inventor score
Files withNIPPON STEEL CORP30NIPPON STEEL & SUMITOMO METAL CORP10SAKAI TATSUHIKO3SUMITOMO CHEMICAL CO2
Top patents by PatentIndex Score
45 records- 0193US10610964B2Grain-oriented electrical steel sheet causing low core loss and low magnetostrictionNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Apr 7, 2020·3 cites·7 claims
- 0292US9139886B2Grain-oriented electrical steel sheet and method for producing sameSAKAI TATSUHIKO·Filed 2011·Granted Sep 22, 2015·6 cites·12 claims
- 0389US12424360B2Grain-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2022·Granted Sep 23, 2025·1 cites·8 claims
- 0488US12512240B2Grain-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2022·Granted Dec 30, 2025·1 cites·18 claims
- 0588US8034196B2Low core loss grain-oriented electrical steel plate and method of manufacturing the sameNIPPON STEEL CORP·Filed 2009·Granted Oct 11, 2011·6 cites·8 claims
- 0682US10675714B2Grain-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jun 9, 2020·1 cites·4 claims
- 0782US8657968B2Grain-oriented electrical steel sheet and method of manufacturing the sameSAKAI TATSUHIKO·Filed 2011·Granted Feb 25, 2014·2 cites·2 claims
- 0882US7763120B2Method of production of grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2007·Granted Jul 27, 2010·4 cites·3 claims
- 0979US8016951B2Low core loss grain-oriented electrical steel sheet and method for producing the sameNIPPON STEEL CORP·Filed 2006·Granted Sep 13, 2011·8 cites·12 claims
- 1078US7442260B2Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of sameNIPPON STEEL CORP·Filed 2004·Granted Oct 28, 2008·17 cites·7 claims
- 1174US11393612B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jul 19, 2022·0 cites·4 claims
- 1274US7045025B2Grain-oriented electrical steel sheet excellent in magnetic properties and method for producing the sameNIPPON STEEL CORP·Filed 2003·Granted May 16, 2006·9 cites·6 claims
- 1373US11651878B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted May 16, 2023·0 cites·4 claims
- 1470US10131018B2Grain-oriented magnetic steel sheet and method of producing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Nov 20, 2018·2 cites·5 claims
- 1569US7230968B2Semiconductor laser device and solid-state laser device using sameNIPPON STEEL CORP·Filed 2004·Granted Jun 12, 2007·12 cites·235 claims
- 1668US12031191B2Grain-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2019·Granted Jul 9, 2024·0 cites·2 claims
- 1768US8277574B2Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam irradiationSAKAI TATSUHIKO·Filed 2008·Granted Oct 2, 2012·5 cites·10 claims
- 1868US2024424604A1Steel sheet processing apparatus and steel sheet processing methodNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 1968US2025326065A1Steel sheet processing apparatus and method for controlling steel sheet processing apparatusNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 2066US11970751B2Grain-oriented electrical steel sheet and method for manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Apr 30, 2024·0 cites·8 claims
- 2166US11498156B2Laser processing apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Nov 15, 2022·1 cites·17 claims
- 2266US7883586B2Method for production and apparatus for production of grain-oriented electrical steel sheet excellent in magnetic propertiesNIPPON STEEL CORP·Filed 2006·Granted Feb 8, 2011·3 cites·1 claims
- 2366US2025157708A1Grain-oriented electrical steel sheet and method of production of sameNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 2466US2025154631A1Grain-oriented electrical steel sheet and method of production of sameNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 2564US11898215B2Grain-oriented electrical steel sheet and method for manufacturing the sameNIPPON STEEL CORP·Filed 2020·Granted Feb 13, 2024·0 cites·7 claims
- 2664US2025188560A1Method for manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2764US2024139869A1Laser scanning device, laser scanning method, laser processing device, and electrical steel sheet manufacturing methodNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2863US2024286219A1Laser processing device and laser processing methodNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2960US11551838B2Grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jan 10, 2023·0 cites·1 claims
- 3058US2024150874A1Grain-oriented electrical steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 3156US10518467B2Method for producing filmSUMITOMO CHEMICAL CO·Filed 2016·Granted Dec 31, 2019·0 cites·5 claims
- 3256US2022219262A1Groove processing device and groove processing methodNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 3355US12173378B2Method for manufacturing grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2020·Granted Dec 24, 2024·0 cites·4 claims
- 3453US9607744B2Laser processing apparatus and laser irradiation methodNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Mar 28, 2017·0 cites·20 claims
- 3552US10427904B2Method for producing film and method for winding off filmSUMITOMO CHEMICAL CO·Filed 2016·Granted Oct 1, 2019·0 cites·5 claims
- 3651US10773338B2Laser processing apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Sep 15, 2020·0 cites·12 claims
- 3749US12397373B2Groove processing device and groove processing methodNIPPON STEEL CORP·Filed 2020·Granted Aug 26, 2025·0 cites·10 claims
- 3849US11697856B2Grain-oriented electrical steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2019·Granted Jul 11, 2023·0 cites·2 claims
- 3949US11661636B2Method for manufacturing grain-oriented electrical steel sheet and grain-oriented electrical steel sheetNIPPON STEEL CORP·Filed 2019·Granted May 30, 2023·0 cites·2 claims
- 4048US10385418B2Grain-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 20, 2019·0 cites·4 claims
- 4146US10434606B2Grain-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Oct 8, 2019·0 cites·6 claims
- 4245US10662491B2Grain-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted May 26, 2020·0 cites·8 claims
- 4345US2022127692A1Grain-oriented electrical steel sheet, and method of manufacturing sameNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 4445US2009272464A1Grain-Oriented Electrical Sheet Superior in Watt LossNIPPON STEEL CORP·Filed 2007·Application pending·0 cites
- 4539US10906134B2Grain-oriented electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Feb 2, 2021·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →