Inventor
YAMASHITA TAKAKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA TAKAKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
14 patentsUS10954578B2Mar 23, 2021
High-strength steel sheet and method for manufacturing same
JFE STEEL CORP2 citations73
US10711333B2Jul 14, 2020
High-strength steel sheet and method for manufacturing same
JFE STEEL CORP3 citations73
US10550446B2Feb 4, 2020
High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same
JFE STEEL CORP5 citations73
US11926881B2Mar 12, 2024
High-strength cold-rolled steel sheet and method for manufacturing the same
JFE STEEL CORP0 citations62
US6761780B2Jul 13, 2004
Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use
JFE STEEL CORP2 citations58
US11447841B2Sep 20, 2022
High-strength steel sheet and method for producing same
JFE STEEL CORP0 citations52
US11447840B2Sep 20, 2022
High-strength steel sheet and method for producing same
JFE STEEL CORP0 citations52
US12479190B2Nov 25, 2025
Fe-based electroplated steel sheet and galvannealed steel sheet, and methods of producing same
JFE STEEL CORP0 citations50
US12473652B2Nov 18, 2025
Galvannealed steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvannealed steel sheet
JFE STEEL CORP0 citations50
US12467154B2Nov 11, 2025
Fe-based electroplated steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing Fe-based electroplated steel sheet
JFE STEEL CORP0 citations50
US12421589B2Sep 23, 2025
Galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvanized steel sheet
JFE STEEL CORP0 citations50
US9939382B2Apr 10, 2018
Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet
JFE STEEL CORP1 citations49
US12106466B2Oct 1, 2024
Photographing condition determining method for metal structure, photographing method for metal structure, phase classification method for metal structure, photographing condition determining device for metal structure, photographing device for metal structure, phase classification device for metal structure, material property estimating method for metal material, and material property estimating device for metal material
JFE STEEL CORP0 citations47
US10151718B2Dec 11, 2018
Quantitative analysis device for trace carbon and quantitative analysis method for trace carbon
JFE STEEL CORP0 citations41
KAWASAKI STEEL CO
4 patentsUS6322639B1Nov 27, 2001
Magnetic steel sheet having excellent magnetic properties and method of producing the same
KAWASAKI STEEL CO15 citations84
US6162306ADec 19, 2000
Electromagnetic steel sheet having excellent high-frequency magnetic properities and method
KAWASAKI STEEL CO4 citations73
US6322638B1Nov 27, 2001
Electromagnetic steel sheet having excellent high-frequency magnetic properties
KAWASAKI STEEL CO1 citations62
US6207103B1Mar 27, 2001
Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same
KAWASAKI STEEL CO3 citations62