ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,314, issued on April 21, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).
"Manufacturing method of composite oxide which is represented by formula LiMPO 4 , where m means iron and manganese" was invented by Takuya Miwa (Kanagawa, Japan), Kuniharu Nomoto (Saitama, Japan) and Junpei Momo (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrothermal synthesis for LiFePO4 is provided. First, each raw material solution is prepared using a degassed water in advance, second, those solution are mixed by dripping in a fixed order, and then those materials are reacted in a hydrothermal synthesis, so that LiFePO...