Patents/Inventors

Kazuhisa Okai

TokyoJP3 patents

3 Patents

US123786732025
Surface-treated Steel Sheet for Organic Resin Coating and Method of Producing Same, and Organic Resin Coated Steel Sheet and Method of Producing Same
JFE STEEL CORPORATION
0 cites
US117955262023
Surface-treated Steel Sheet
JFE STEEL CORPORATION
0 cites
US116189382023
Steel Sheet Having a Hot-dip Zn—al—mg-based Coating Film Excellent in Terms of Surface Appearance and Method of Manufacturing the Same
JFE Steel Corporation
0 cites