Inventor · disambiguated record
Hirofumi Taketsu
Also filed as: TAKETSU HIROFUMI
16 granted patents·3 pending applications·35 citations·filing 1998–2018
89Inventor score
Top patents by PatentIndex Score
19 records- 0182US9863027B2Black-plated steel sheetNAKANO TADASHI·Filed 2012·Granted Jan 9, 2018·2 cites·11 claims
- 0278US9598759B2Method for producing black-plated steel sheet, and method for producing molded article of black-plated steel sheetNISSHIN STEEL CO LTD·Filed 2013·Granted Mar 21, 2017·1 cites·11 claims
- 0378US9598773B2Method for producing black-plated steel sheet, and method for producing molded article of black-plated steel sheetNISSHIN STEEL CO LTD·Filed 2013·Granted Mar 21, 2017·1 cites·11 claims
- 0468US2019040512A1Method of producing hot-dip zn-alloy-plated steel sheetNISSHIN STEEL CO LTD·Filed 2018·Application pending·0 cites
- 0568US2016305003A1Hot-dip zn-alloy-plated steel sheetNISSHIN STEEL CO LTD·Filed 2014·Application pending·0 cites
- 0666US10167542B2Method for producing hot-dip Zn alloy-plated steel sheetNISSHIN STEEL CO LTD·Filed 2013·Granted Jan 1, 2019·0 cites·9 claims
- 0765US2016281201A1Hot-dip zn-alloy-plated steel sheet and method for producing sameNISSHIN STEEL CO LTD·Filed 2014·Application pending·0 cites
- 0862US9890461B2Chemical conversion coated plated steel sheet and method for producing sameNISSHIN STEEL CO LTD·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
- 0961US10202676B2Method for producing hot-dip Zn alloy-plated steel sheetNISSHIN STEEL CO LTD·Filed 2015·Granted Feb 12, 2019·0 cites·5 claims
- 1061US6905041B1Fuel tank made from aluminum coated steel sheetNISSHIN STEEL CO LTD·Filed 1999·Granted Jun 14, 2005·19 cites·6 claims
- 1160US10125414B2Method of producing hot-dip Zn alloy-plated steel sheetNISSHIN STEEL CO LTD·Filed 2017·Granted Nov 13, 2018·0 cites·1 claims
- 1257US9260786B2Chemical conversion coated plated steel sheet and method for producing sameMATSUNO MASANORI·Filed 2011·Granted Feb 16, 2016·0 cites·5 claims
- 1356US6329067B2Chromating solution and chromated metal sheetNISSHIN STEEL CO LTD·Filed 2001·Granted Dec 11, 2001·2 cites·4 claims
- 1455US6544666B2Chemically processed steel sheet improved in corrosion resistanceNISSHIN STEEL CO LTD·Filed 2001·Granted Apr 8, 2003·3 cites·11 claims
- 1554US10161047B2Method for treating surface of zinc-aluminum-magnesium alloy-plated steel sheetNIPPON PAINT SURF CHEMICALS CO LTD·Filed 2014·Granted Dec 25, 2018·0 cites·6 claims
- 1654US6730414B2Chemically processed steel sheet excellent in corrosion resistanceNISSHIN STEEL CO LTD·Filed 2001·Granted May 4, 2004·3 cites·5 claims
- 1748US8895153B2Chemical conversion coated plated steel sheet and method for producing sameMATSUNO MASANORI·Filed 2011·Granted Nov 25, 2014·0 cites·12 claims
- 1837US7147934B2Chemically processed steel sheet excellent in corrosion resistanceNISSHIN STEEL CO LTD·Filed 2004·Granted Dec 12, 2006·0 cites·6 claims
- 1936US6190464B1Chromating solution and chromated metal sheetNISSHIN STEEL CO LTD·Filed 1998·Granted Feb 20, 2001·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →