ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,516, issued on May 5, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Tank and method of manufacturing the same" was invented by Kei Kato (Nagakute, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a tank capable of reducing a fiber bundle amount while ensuring strength. A tank having a tank body portion capable of filling a gas therein, the tank body portion comprising: a liner having a hollow cylindrical shape; and a fiber bundle layer covering an outer surface of the liner, wherein the fiber bundle layer has an inner layer, an outer layer, and an intermediate layer disposed between the inner layer and the outer layer, the end p...