US Patent Issued to Sumitomo Mitsui Construction on March 17 for "Wind power generation tower and construction method of wind power generation tower" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,800, issued on March 17, was assigned to Sumitomo Mitsui Construction Co. Ltd. (Tokyo).

"Wind power generation tower and construction method of wind power generation tower" was invented by Akio Kasuga (Tokyo), Aibek Tokrorbai Uulu (Tokyo) and Long Doan Sy (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wind power generation tower for supporting a wind power generator in mid-air includes a tower lower portion that includes at least three legs made of hollow concrete and erected on a foundation so as to tilt toward each other, a tower intermediate portion arranged in a center of the at least three legs in a plan view, and a tower upper portio...