Inventor · disambiguated record
Kiyokazu Ishizuka
Also filed as: ISHIZUKA KIYOKAZU
36 granted patents·2 pending applications·36 citations·filing 1999–2021
95Inventor score
Files withNIPPON STEEL CORP20NIPPON STEEL & SUMITOMO METAL CORP11ISHIZUKA KIYOKAZU3ARAI SATOSHI1HAJI JUNJI1
Top patents by PatentIndex Score
38 records- 0192US11787156B2Coated steel materialNIPPON STEEL CORP·Filed 2020·Granted Oct 17, 2023·2 cites·4 claims
- 0290US11713513B2Surface-treated steel sheet for battery containers and manufacturing method of surface-treated steel sheet for battery containersNIPPON STEEL CORP·Filed 2019·Granted Aug 1, 2023·2 cites·8 claims
- 0390US11352682B2Surface-treated steel sheet and method for manufacturing surface-treated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jun 7, 2022·3 cites·9 claims
- 0482US11965249B2Surface-treated metal materialNIPPON STEEL CORP·Filed 2020·Granted Apr 23, 2024·1 cites·6 claims
- 0581US10340065B2Method for manufacturing electrical steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 2, 2019·1 cites·2 claims
- 0675US9051622B2Non-oriented magnetic steel sheet and method for producing the sameARAI SATOSHI·Filed 2010·Granted Jun 9, 2015·1 cites·8 claims
- 0772US12116688B2Ni-plated steel sheet, and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 15, 2024·0 cites·8 claims
- 0871US11773503B2Ni-plated steel sheet and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 3, 2023·0 cites·7 claims
- 0969US9499894B2Method for producing high-strength hot-dip galvannealed steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Nov 22, 2016·0 cites·1 claims
- 1069US8303739B2Method for producing high-strength hot-dip galvannealed steel sheetISHIZUKA KIYOKAZU·Filed 2006·Granted Nov 6, 2012·1 cites·4 claims
- 1168US11981108B2Ni-plated steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2021·Granted May 14, 2024·0 cites·11 claims
- 1267US10023931B2Method of production of hot dip galvannealed steel sheet with excellent workability, powderability, and slidabilityHAJI JUNJI·Filed 2007·Granted Jul 17, 2018·2 cites·3 claims
- 1364US11618965B2Ni-plated steel sheet and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Apr 4, 2023·0 cites·12 claims
- 1464US9334555B2Hot dip galvannealed steel sheet and method for producing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted May 10, 2016·0 cites·9 claims
- 1563US12031225B2Ni diffusion-plated steel sheet and method for manufacturing Ni diffusion-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jul 9, 2024·0 cites·5 claims
- 1663US8617324B2Method for producing high-strength hot-dip galvannealed steel sheetISHIZUKA KIYOKAZU·Filed 2012·Granted Dec 31, 2013·0 cites·3 claims
- 1760US7029762B2Inorganic-organic composite-treated zinc-plated steel sheetNIPPON PAINT CO LTD·Filed 2004·Granted Apr 18, 2006·5 cites·8 claims
- 1860US6902843B2Ni-plated steel plate for alkali-manganese dry cell anode can and alkali-manganese dry cell anode canNIPPON STEEL CORP·Filed 2002·Granted Jun 7, 2005·6 cites·6 claims
- 1959US11827996B2Ni diffusion-plated steel sheet and method for manufacturing Ni diffusion-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Nov 28, 2023·0 cites·8 claims
- 2059US11794449B2Surface-treated steel sheet and method for manufacturing surface-treated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 24, 2023·0 cites·11 claims
- 2158US9997786B2Steel foil and method for manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Jun 12, 2018·0 cites·9 claims
- 2257US10201953B2Steel foil and method for manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Feb 12, 2019·0 cites·8 claims
- 2357US2009162691A1Hot dip galvannealed steel sheet and method for producing the sameNIPPON STEEL CORP·Filed 2006·Application pending·0 cites
- 2455US7011895B2Inorganic-organic composite-treated zinc-plated steel sheetNIPPON STEEL CORP·Filed 2004·Granted Mar 14, 2006·2 cites·11 claims
- 2555US2012171467A1Electrical steel sheet and method for manufacturing the sameTAKEDA KAZUTOSHI·Filed 2010·Application pending·0 cites
- 2653US10418601B2Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device containerNIPPON STEEL CORP·Filed 2015·Granted Sep 17, 2019·0 cites·12 claims
- 2752US6596414B1Phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintabilityNIPPON STEEL CORP·Filed 2000·Granted Jul 22, 2003·5 cites·2 claims
- 2849US10837118B2Surface treated steel sheet for fuel tankNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Nov 17, 2020·0 cites·11 claims
- 2949US10688755B2Steel sheet for a fuel tankNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jun 23, 2020·0 cites·8 claims
- 3049US9725795B2Galvannealed steel sheet and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Aug 8, 2017·0 cites·20 claims
- 3149US9512511B2Method for hot-dip galvanizing a steel sheetISHIZUKA KIYOKAZU·Filed 2006·Granted Dec 6, 2016·0 cites·2 claims
- 3248US10205135B2Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device containerNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Feb 12, 2019·0 cites·10 claims
- 3346US11084252B2Surface-treated steel sheetNIPPON STEEL CORP·Filed 2018·Granted Aug 10, 2021·0 cites·12 claims
- 3443US10697067B2Steel sheet for a fuel tankNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jun 30, 2020·0 cites·5 claims
- 3543US6649275B1Zinc phosphate-treated galvanized steel sheet excellent in corrosion resistance and color toneNIPPON STEEL CORP·Filed 2002·Granted Nov 18, 2003·1 cites·1 claims
- 3642US10189229B2Surface-treated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jan 29, 2019·0 cites·5 claims
- 3734US11078590B2Plated steelNIPPON STEEL CORP·Filed 2018·Granted Aug 3, 2021·0 cites·17 claims
- 3834US6376092B1Surface-treated steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 1999·Granted Apr 23, 2002·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →