ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,197, issued on Dec. 16, was assigned to ISHIKAWA ENERGY RESEARCH Co. LTD. (Ota, Japan).

"Flying apparatus and method for controlling the same" was invented by Mitsuru Ishikawa (Ota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a flying apparatus and a method for controlling the same which are capable of precisely measuring a remaining charge of a battery with a simple configuration. A flying apparatus 10 comprises a rotor 11, a motor 12, a power converting unit 14, a battery 21, and a calculation control unit 15. The rotor 11 rotates to generate thrust for causing an airframe base unit 16 to float, and the motor 12 is supplied wi...