ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,720, issued on Sept. 23, was assigned to SEKISUI HOUSE LTD. (Osaka, Japan).
"Shed roofing structure" was invented by Takashi Hara (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shed roofing structure includes: a corner rafter in which a top surface and a bottom surface form a mountain profile having a width-direction center as the vertex, the corner rafter exhibiting a fletched profile as seen in cross-section; a valley rafter formed by vertically inverting the corner rafter; a plurality of common rafters which are disposed horizontally spaced apart at a flat section of the inclined roof and inclined along a roof gradient; and a rec...