ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,312, issued on March 18, was assigned to DENSO Corp. (Kariya, Japan).

"Heat exchanger" was invented by Shota Chatani (Kariya, Japan), Hiroshi Hamada (Kariya, Japan), Mitsugu Nakamura (Kariya, Japan), Tomohiko Nakamura (Kariya, Japan) and Ichio Kamei (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger includes tubes arranged side by side, and a tank connected to ends of the tubes. The heat exchanger performs heat exchange between a first fluid flowing inside the tubes and a second fluid flowing outside the tubes. The heat exchanger includes a closing member disposed inside the tank and partially closing an opening provided...