ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,852, issued on June 24, was assigned to NHK Spring Co. Ltd. (Yokohama, Japan).
"Joined body" was invented by Masaru Takimoto (Kanagawa, Japan), Toshihiko Hanamachi (Kanagawa, Japan) and Junichi Nakayama (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A joined body includes: a main body section including a wall section forming a passage along which a medium for accelerating heat exchange flows; and a cover configured to cover a surface of the main body section, the cover including: a covering section provided on a side facing the main body section and configured to cover the surface; a groove section provided on the side facing the ma...