Inventor · disambiguated record
Koutarou Hayashi
Also filed as: HAYASHI KOUTAROU
31 granted patents·12 pending applications·7 citations·filing 2010–2022
92Inventor score
Files withNIPPON STEEL CORP22NIPPON STEEL & SUMITOMO METAL CORP15DAIKIN IND LTD3WATANABE MASAO2TOYOTA MOTOR CO LTD1
Top patents by PatentIndex Score
43 records- 0187US10501832B2Plated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 10, 2019·2 cites·6 claims
- 0285US11365465B2Steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jun 21, 2022·1 cites·4 claims
- 0383US10273555B2Hot-pressed steel sheet memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Apr 30, 2019·2 cites·5 claims
- 0478US10711322B2Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2019·Granted Jul 14, 2020·0 cites·7 claims
- 0576US10253387B2Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Apr 9, 2019·1 cites·5 claims
- 0675US2019161821A1Steel sheet for hot pressing, and method of manufacturing the hot-pressed steel sheet memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2019·Application pending·0 cites
- 0774US10344351B2Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Jul 9, 2019·1 cites·6 claims
- 0868US12043606B2Fluorolactone and method for producing sameDAIKIN IND LTD·Filed 2021·Granted Jul 23, 2024·0 cites·12 claims
- 0966US11242583B2Steel sheetNIPPON STEEL CORP·Filed 2018·Granted Feb 8, 2022·0 cites·16 claims
- 1065US11486028B2High-strength steel sheetNIPPON STEEL CORP·Filed 2019·Granted Nov 1, 2022·0 cites·8 claims
- 1164US2024068066A1Steel sheetNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1262US12116646B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2021·Granted Oct 15, 2024·0 cites·4 claims
- 1361US12392020B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted Aug 19, 2025·0 cites·4 claims
- 1461US11225701B2Hot dip galvanized steel sheet and hot dip galvannealed steel sheetNIPPON STEEL CORP·Filed 2018·Granted Jan 18, 2022·0 cites·10 claims
- 1559US12410150B2Fluorolactone and method for producing sameDAIKIN IND LTD·Filed 2021·Granted Sep 9, 2025·0 cites·2 claims
- 1659US2023257845A1Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 1759US2023140358A1Steel sheetNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 1858US12297524B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted May 13, 2025·0 cites·5 claims
- 1958US11970758B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2019·Granted Apr 30, 2024·0 cites·5 claims
- 2058US11505855B2High-strength steel sheetNIPPON STEEL CORP·Filed 2019·Granted Nov 22, 2022·0 cites·7 claims
- 2157US10266911B2Hot-formed member and manufacturing method of sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Apr 23, 2019·0 cites·10 claims
- 2256US12435382B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted Oct 7, 2025·0 cites·4 claims
- 2356US12331378B2Steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2021·Granted Jun 17, 2025·0 cites·17 claims
- 2456US12203157B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted Jan 21, 2025·0 cites·3 claims
- 2556US12123064B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted Oct 22, 2024·0 cites·2 claims
- 2656US10508317B2Steel product and manufacturing method of the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Dec 17, 2019·0 cites·14 claims
- 2755US12031203B2Galvannealed steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jul 9, 2024·0 cites·2 claims
- 2855US2022259692A1Hot-rolled steel sheet and method of manufacturing sameNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 2954US2017029914A1Hot formed steel sheet component and method for producing the same as well as steel sheet for hot formingNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 3053US12180557B2Cold rolled steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Dec 31, 2024·0 cites·10 claims
- 3152US12060623B2High-strength steel sheet with excellent ductility and hole-expandabilityNIPPON STEEL CORP·Filed 2018·Granted Aug 13, 2024·0 cites·16 claims
- 3252US11732341B2Metal coated steel sheet, manufacturing method of hot-dip galvanized steel sheet, and manufacturing method of alloyed galvannealed steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 22, 2023·0 cites·13 claims
- 3352US11634802B2Cold-rolled steel sheetNIPPON STEEL CORP·Filed 2019·Granted Apr 25, 2023·0 cites·2 claims
- 3450US10745775B2Galvannealed steel sheet and method for producing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 18, 2020·0 cites·18 claims
- 3550US2016326608A1Hot-formed member and method of manufacturing sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Application pending·0 cites
- 3649US2020071801A1High strength steel sheet and method of producing sameNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 3749US2019368002A1Steel sheet and process for producing sameNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 3846US2021053906A1Tetraalkyl ammonium nitrite production methodDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 3944US9038372B2Exhaust purification system of internal combustion engineWATANABE MASAO·Filed 2010·Granted May 26, 2015·0 cites·7 claims
- 4044US2019211427A1Steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 4143US10774405B2Steel and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Sep 15, 2020·0 cites·1 claims
- 4241US9034267B2Exhaust purification system of internal combustion engineWATANABE MASAO·Filed 2010·Granted May 19, 2015·0 cites·7 claims
- 4338US2010307133A1Exhaust gas control apparatus for internal combustion engine, and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →