Inventor

UMADA Takumi

JP10 patents

⚠️ This page may combine multiple inventors who share the name “UMADA Takumi”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JFE STEEL CORP

7 patents

US11781196B2Oct 10, 2023

Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet

JFE STEEL CORP0 citations61

US11326219B2May 10, 2022

Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet

JFE STEEL CORP0 citations61

US11180834B2Nov 23, 2021

Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet

JFE STEEL CORP0 citations61

US11091842B2Aug 17, 2021

Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet

JFE STEEL CORP0 citations61

US10968521B2Apr 6, 2021

Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet

JFE STEEL CORP0 citations61

US11293070B2Apr 5, 2022

Grain-oriented electrical steel sheet

JFE STEEL CORP0 citations51

US11732348B2Aug 22, 2023

Surface treatment facility

JFE STEEL CORP0 citations49

AGC INC

3 patents

US12145879B2Nov 19, 2024

Chemically strengthened glass plate, and cover glass and electronic device comprising chemically strengthened glass

AGC INC0 citations61

US12168626B2Dec 17, 2024

Chemically strengthened glass and method for producing same

AGC INC0 citations60

US12415745B2Sep 16, 2025

Glass, chemically tempered glass, and method for producing same

AGC INC0 citations57