ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,050, issued on Nov. 4, was assigned to NIPPON LIGHT METAL COMPANY LTD. (Tokyo).
"Joining device and joining method" was invented by Nobushiro Seo (Shizuoka, Japan), Ryo Yoshida (Shizuoka, Japan), Shingo Koizumi (Shizuoka, Japan) and Keita Oikawa (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to provide a joining method that can prevent poor joining. The present invention provides a joining method including: a measuring step that measures a height near a joint portion, which serves as a part for joining formed by a first metal member and a second metal member placed in a positional relationship for joining b...