ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,571, issued on April 14, was assigned to YAMAMOTO FOUNDATION WORKS Co. LTD. (Yamanashi, Japan).

"Rainwater storage device and construction method thereof" was invented by Takekazu Yamamoto (Yamanashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rainwater storage device includes a plurality of water storage pipes buried in a ground, the water storage pipes each having a rainwater inflow port on a surface of a ground; and a lower connecting pipe that connects bottom part regions of the plurality of water storage pipes. The plurality of water storage pipes is arranged in a plurality of rows and columns, extending in a longitudinal direction...