Inventor · disambiguated record
Hiromasa Shoji
Also filed as: SHOJI HIROMASA
17 granted patents·4 pending applications·245 citations·filing 1996–2022
93Inventor score
Files withNIPPON STEEL CORP13NIPPON STEEL & SUMITOMO METAL CORP3SHOJI HIROMASA3NIPPON STEEL CHEMICAL CO1NOMURA HIROMASA1
Top patents by PatentIndex Score
21 records- 0188US6190780B1Surface treated metal material and surface treating agentNIPPON STEEL CORP·Filed 1998·Granted Feb 20, 2001·87 cites·54 claims
- 0287US8475930B2Composite coated metal sheet, treatment agent and method of manufacturing composite coated metal sheetSHOJI HIROMASA·Filed 2006·Granted Jul 2, 2013·14 cites·21 claims
- 0383US6200672B1Surface-treated metal plate and metal surface treating fluidNIPPON STEEL CORP·Filed 1998·Granted Mar 13, 2001·61 cites·22 claims
- 0482US11965249B2Surface-treated metal materialNIPPON STEEL CORP·Filed 2020·Granted Apr 23, 2024·1 cites·6 claims
- 0580US10738384B2Surface-treated steel sheet for fuel tanksNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 11, 2020·1 cites·14 claims
- 0671US6254980B1Metallic sheet having rust-preventive organic coating thereon, process for the production thereof and treating fluid thereforNIPPON STEEL CORP·Filed 1996·Granted Jul 3, 2001·30 cites·28 claims
- 0765US12442085B2Surface-treated steel sheetNIPPON STEEL CORP·Filed 2022·Granted Oct 14, 2025·0 cites·6 claims
- 0863US12331408B2Surface-treated steel sheetNIPPON STEEL CORP·Filed 2022·Granted Jun 17, 2025·0 cites·4 claims
- 0962US7141229B2Graphite material for negative pole of lithium secondary battery, method of manufacturing the graphite material, and lithium secondary batteryNIPPON STEEL CHEMICAL CO·Filed 2002·Granted Nov 28, 2006·7 cites·4 claims
- 1060US7883616B2Metal oxide and/or metal hydroxide coated metal materials and method for their productionNIPPON STEEL CORP·Filed 2002·Granted Feb 8, 2011·5 cites·21 claims
- 1160US7682706B2Precoated metal sheet with little affect on environmentNIPPON STEEL CORP·Filed 2004·Granted Mar 23, 2010·1 cites·7 claims
- 1260US7608337B2Chemical conversion-treated metal plateNIPPON STEEL CORP·Filed 2004·Granted Oct 27, 2009·4 cites·13 claims
- 1352US2007122645A1Coated metal plate with excellent corrosion resistance and reduced environmental impactNOMURA HIROMASA·Filed 2004·Application pending·0 cites
- 1451US2023399750A1Surface-treated metal sheetNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 1550US8906512B2Metal material having excellent corrosion resistanceSHOJI HIROMASA·Filed 2009·Granted Dec 9, 2014·0 cites·11 claims
- 1649US11091839B2Surface-treated steel sheet and method for producing surface-treated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Aug 17, 2021·0 cites·12 claims
- 1748US6555272B2Lithium secondary battery and active material for negative electrode in lithium secondary batteryNIPPON STEEL CORP·Filed 1999·Granted Apr 29, 2003·19 cites·20 claims
- 1847US12509777B2Surface-treated steel sheetNIPPON STEEL CORP·Filed 2022·Granted Dec 30, 2025·0 cites·8 claims
- 1947US5897948ASurface-treated steel sheet with resin-based chemical treatment coating and process for its productionNIPPON STEEL CORP·Filed 1996·Granted Apr 27, 1999·15 cites·19 claims
- 2046US2007153423A1Substrate material for an hdd suspensionSHOJI HIROMASA·Filed 2004·Application pending·0 cites
- 2139US2018100244A1Surface-treated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →