ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,026, issued on March 24, was assigned to G-TEKT Corp. (Saitama, Japan).
"Die and hot press forming apparatus" was invented by Hiroki Itoi (Tokyo) and Katsuhito Amagasa (Gunma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A die press-forms a tailor welded blank (12A) in a heated state, the tailor welded blank being formed by welding a first plate portion (34) made of a first metal plate material and a second plate portion (35) made of a second metal plate material thicker than the first metal plate material while making the first plate portion and the second plate portion abut against each other. The die includes a refrigerant passage throug...