Inventor
TOKUDA KOHEI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “TOKUDA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
24 patentsUS11634790B2Apr 25, 2023
Plated steel sheet
NIPPON STEEL CORP6 citations75
US11584981B2Feb 21, 2023
Plated steel sheet
NIPPON STEEL CORP3 citations73
US10982303B2Apr 20, 2021
Coated steel product
NIPPON STEEL CORP6 citations73
US12043900B2Jul 23, 2024
Plated steel material
NIPPON STEEL CORP2 citations71
US11555235B2Jan 17, 2023
Metallic coated steel product
NIPPON STEEL CORP3 citations71
US11338550B2May 24, 2022
Hot-stamped body
NIPPON STEEL CORP5 citations71
US12385111B2Aug 12, 2025
Hot stamped steel
NIPPON STEEL CORP0 citations62
US12110595B2Oct 8, 2024
Hot-dip plated steel material
NIPPON STEEL CORP1 citations62
US11725259B2Aug 15, 2023
Plated steel sheet
NIPPON STEEL CORP1 citations62
US11697266B2Jul 11, 2023
Plated steel
NIPPON STEEL CORP0 citations62
US11965249B2Apr 23, 2024
Surface-treated metal material
NIPPON STEEL CORP1 citations61
US11781200B2Oct 10, 2023
Plated steel
NIPPON STEEL CORP1 citations60
US12320005B2Jun 3, 2025
Hot-dip plated steel material
NIPPON STEEL CORP0 citations52
US11965250B2Apr 23, 2024
Hot stamped steel
NIPPON STEEL CORP0 citations52
US11814732B2Nov 14, 2023
Hot-dip plated steel
NIPPON STEEL CORP0 citations52
US11634791B2Apr 25, 2023
Coated steel product
NIPPON STEEL CORP0 citations52
US12454748B2Oct 28, 2025
Plated steel sheet
NIPPON STEEL CORP0 citations50
US12331406B2Jun 17, 2025
Metallic coated steel
NIPPON STEEL CORP0 citations50
US11851764B2Dec 26, 2023
Plated steel material
NIPPON STEEL CORP0 citations50
US11285698B2Mar 29, 2022
Hot-stamped body
NIPPON STEEL CORP0 citations50
US11473174B2Oct 18, 2022
Coated steel product
NIPPON STEEL CORP0 citations49
US12473625B2Nov 18, 2025
Hot-dip plated steel sheet
NIPPON STEEL CORP0 citations48
US12180564B2Dec 31, 2024
Plated steel sheet
NIPPON STEEL CORP0 citations48
US12571083B2Mar 10, 2026
Plated steel material and method for manufacturing plated steel material
NIPPON STEEL CORP0 citations47
NIPPON STEEL & SUMITOMO METAL CORP
4 patentsUS10232590B2Mar 19, 2019
Plated steel sheet with quasicrystal
NIPPON STEEL & SUMITOMO METAL CORP2 citations72
US10392686B2Aug 27, 2019
Mg-containing Zn alloy coated steel
NIPPON STEEL & SUMITOMO METAL CORP1 citations61
US10508330B2Dec 17, 2019
Quasicrystal-containing plated steel sheet and method for producing quasicrystal-containing plated steel sheet
NIPPON STEEL & SUMITOMO METAL CORP0 citations41
US10563296B2Feb 18, 2020
Coated steel
NIPPON STEEL & SUMITOMO METAL CORP0 citations39
NOSE KOICHI
2 patentsUS8663818B2Mar 4, 2014
High corrosion resistance hot dip galvanized steel material
NOSE KOICHI5 citations72
US9187814B2Nov 17, 2015
Hot-dip aluminum alloy plated steel having excellent shear cut edge corrosion resistance and processed part corrosion resistance, and method of manufacturing the same
NOSE KOICHI1 citations50