Inventor · disambiguated record
Kazukuni Hase
Also filed as: HASE KAZUKUNI
31 granted patents·10 pending applications·70 citations·filing 1997–2019
94Inventor score
Top patents by PatentIndex Score
41 records- 0191US11118240B2Abrasion-resistant steel plate and method of producing abrasion-resistant steel plateJFE STEEL CORP·Filed 2016·Granted Sep 14, 2021·2 cites·13 claims
- 0289US10000833B2Thick, tough, high tensile strength steel plate and production method thereforJFE STEEL CORP·Filed 2014·Granted Jun 19, 2018·4 cites·9 claims
- 0385US7827842B2Hot forging facilityJFE STEEL CORP·Filed 2006·Granted Nov 9, 2010·5 cites·18 claims
- 0483US11035018B2Abrasion-resistant steel plate and method of producing abrasion-resistant steel plateJFE STEEL CORP·Filed 2016·Granted Jun 15, 2021·1 cites·12 claims
- 0583US8302309B2Process for producing bearing device for wheelHIRAI ISAO·Filed 2006·Granted Nov 6, 2012·9 cites·3 claims
- 0683US7806992B2Hot forged product with excellent fatigue strength, method for making the same, and machine structural part made from the sameJFE STEEL CORP·Filed 2006·Granted Oct 5, 2010·4 cites·6 claims
- 0782US11401591B2Method for selecting rail steel and wheel steelJFE STEEL CORP·Filed 2016·Granted Aug 2, 2022·1 cites·4 claims
- 0882US11035017B2Abrasion-resistant steel plate and method of producing abrasion-resistant steel plateJFE STEEL CORP·Filed 2016·Granted Jun 15, 2021·1 cites·10 claims
- 0981US10036079B2Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheetJFE STEEL CORP·Filed 2014·Granted Jul 31, 2018·2 cites·10 claims
- 1080US10023946B2Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheetJFE STEEL CORP·Filed 2014·Granted Jul 17, 2018·2 cites·8 claims
- 1177US10358688B2Steel plate and method of producing sameJFE STEEL CORP·Filed 2015·Granted Jul 23, 2019·1 cites·4 claims
- 1277US6162389AHigh-strength and high-toughness non heat-treated steel having excellent machinabilityKAWASAKI STEEL CO·Filed 1997·Granted Dec 19, 2000·26 cites·29 claims
- 1377US2019338402A1Method for manufacturing railway vehicle wheelJFE STEEL CORP·Filed 2019·Application pending·0 cites
- 1476US10443110B2High toughness and high tensile strength thick steel plate and production method thereforJFE STEEL CORP·Filed 2014·Granted Oct 15, 2019·1 cites·16 claims
- 1574US10450627B2Thick steel plate having good multipass weld joint CTOD characteristics and method for manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Oct 22, 2019·1 cites·20 claims
- 1673US8608874B2Spring steel and method for manufacturing the sameHONJO MINORU·Filed 2011·Granted Dec 17, 2013·1 cites·12 claims
- 1771US6454881B1Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinabilityKAWASAKI STEEL CO·Filed 2001·Granted Sep 24, 2002·7 cites·10 claims
- 1869US11111555B2Method for producing railJFE STEEL CORP·Filed 2018·Granted Sep 7, 2021·0 cites·2 claims
- 1967US10351926B2High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for sameJFE STEEL CORP·Filed 2015·Granted Jul 16, 2019·2 cites·10 claims
- 2064US9618070B2Spring steel and method for manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Apr 11, 2017·0 cites·2 claims
- 2163US2017191149A1Railway vehicle wheel and method for manufacturing railway vehicle wheelJFE STEEL CORP·Filed 2015·Application pending·0 cites
- 2258US11326238B2Steel material for high heat input weldingJFE STEEL CORP·Filed 2017·Granted May 10, 2022·0 cites·8 claims
- 2357US11174543B2Case hardening steel, method of producing case hardening steel, and method of producing gear partJFE STEEL CORP·Filed 2017·Granted Nov 16, 2021·0 cites·8 claims
- 2456US11111556B2Abrasion-resistant steel plate and method of producing abrasion-resistant steel plateJFE STEEL CORP·Filed 2016·Granted Sep 7, 2021·0 cites·13 claims
- 2554US10774534B2Deformed reinforcing barJFE STEEL CORP·Filed 2017·Granted Sep 15, 2020·0 cites·4 claims
- 2652US11060172B2Abrasion-resistant steel plate and method of manufacturing sameJFE STEEL CORP·Filed 2018·Granted Jul 13, 2021·0 cites·8 claims
- 2752US2016312327A1Steel plate and method for manufacturing same (as amended)JFE STEEL CORP·Filed 2014·Application pending·0 cites
- 2851US12037666B2Steel material for line pipes, method for producing the same, and method for producing line pipeJFE STEEL CORP·Filed 2019·Granted Jul 16, 2024·0 cites·5 claims
- 2951US11401568B2Steel material for line pipes, method for producing the same, and method for producing line pipeJFE STEEL CORP·Filed 2019·Granted Aug 2, 2022·0 cites·4 claims
- 3050US2020002780A1Rail and method for producing sameJFE STEEL CORP·Filed 2018·Application pending·0 cites
- 3147US11299798B2Steel plate and method of producing sameJFE STEEL CORP·Filed 2018·Granted Apr 12, 2022·0 cites·4 claims
- 3247US2019352749A1Steel material for high heat input weldingJFE STEEL CORP·Filed 2017·Application pending·0 cites
- 3346US2008017283A1Steel For Machine Structural Use With Excellent Strength, Ductility, And Toughness And Method For Producing The SameMARUTA KEIICHI·Filed 2006·Application pending·0 cites
- 3445US9139887B2Bearing steel and ingot material for bearing having excellent rolling contact fatigue life characteristics and method for manufacturing the sameHONJO MINORU·Filed 2011·Granted Sep 22, 2015·0 cites·8 claims
- 3544US10316385B2High-tensile-strength steel plate and process for producing sameJFE STEEL CORP·Filed 2015·Granted Jun 11, 2019·0 cites·4 claims
- 3644US10300564B2Weld jointJFE STEEL CORP·Filed 2015·Granted May 28, 2019·0 cites·8 claims
- 3743US11236405B2Steel plate for high-strength and high-toughness steel pipes and method for producing steel plateJFE STEEL CORP·Filed 2017·Granted Feb 1, 2022·0 cites·16 claims
- 3843US2013017117A1Bearing steelJFE STEEL CORP·Filed 2010·Application pending·0 cites
- 3943US2008264524A1High-Strength Steel and Metal Bolt Excellent In Character of Delayed FractureMARUTA KEIICHI·Filed 2006·Application pending·0 cites
- 4042US2017369958A1Thick-walled high-toughness high-strength steel plate and method for manufacturing the sameJFE STEEL CORP·Filed 2016·Application pending·0 cites
- 4141US2012321503A1Method for manufacturing ingot steel for bearings and bearing steelHONJO MINORU·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →