Patents/Inventors

Takafumi Yokoyama

TokyoJP13 patents

13 Patents

US124602852025
Steel Sheet
NIPPON STEEL CORPORATION
0 cites
US123052662025
High-strength Steel Plate Having Excellent Formability, Toughness and Weldability, and Production Method of Same
NIPPON STEEL CORPORATION
0 cites
US122813922025
Hot Dip Galvanized Steel Sheet and Method for Producing Same
NIPPON STEEL CORPORATION
0 cites
US120984402024
Steel Sheet and Method for Producing Same
NIPPON STEEL CORPORATION
0 cites
US120065622024
Hot Dip Galvanized Steel Sheet and Method for Producing Same
NIPPON STEEL CORPORATION
0 cites
US119707522024
Steel Sheet
NIPPON STEEL CORPORATION
0 cites
US119055702024
Hot Dip Galvanized Steel Sheet and Method for Producing Same
NIPPON STEEL CORPORATION
0 cites
US118850252024
High-strength Steel Sheet Having Excellent Moldability and Impact Resistance, and Method for Manufacturing High-strength Steel Sheet Having Excellent Moldability and Impact Resistance
NIPPON STEEL CORPORATION
0 cites
US118592592024
Zinc-plated Steel Sheet and Manufacturing Method Thereof
NIPPON STEEL CORPORATION
0 cites
US118147082023
Hot Dip Galvanized Steel Sheet and Method for Producing Same
NIPPON STEEL CORPORATION
0 cites
US117323212023
Steel Sheet and Method of Producing Same
NIPPON STEEL CORPORATION
0 cites
US116859632023
Zinc-plated Steel Sheet and Manufacturing Method Thereof
NIPPON STEEL CORPORATION
0 cites
US116803032023
Steel Sheet and Manufacturing Method Therefor
NIPPON STEEL CORPORATION
0 cites