US Patent Issued to TOYOTA JIDOSHA on April 21 for "Resistance spot welding method and resistance spot welding apparatus" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,787, issued on April 21, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Resistance spot welding method and resistance spot welding apparatus" was invented by Koki Nakada (Toyota, Japan) and Kyosuke Izuno (Nisshin, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resistance spot welding method includes the steps of: removing at least part of oil on a surface of a welding target material by energization between a pair of electrodes; and after the oil removal step, forming a nugget in an overlapped portion of the welding target material by energization between the pair of electrodes."

The patent was filed on March 11, 2022, under Applica...