ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,345, issued on May 27, was assigned to PHC Holdings Corp. (Tokyo).

"Cold storage including a sliding door having a vertical drain" was invented by Minoru Tada (Ehime, Japan), Mitsuyuki Shirata (Ehime, Japan) and Takumi Nishimura (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cold storage includes a box with an opening at front, a frame bordering the opening, a sliding door attached to the frame and including, in at least one of a left-side end portion and a right-side end portion, a drain channel extending vertically, and a porous body with water permeability, the porous body being attached to an upper surface of the sliding door to ...