ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,344, issued on March 3, was assigned to NIDEC Corp. (Kyoto, Japan).
"Flight vehicle and flight vehicle system with power receiving coil provided on or in landing portion of leg" was invented by Naoki Fujita (Kyoto, Japan) and Junichi Shimizu (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flight vehicle includes a driver, a battery, a main body, a leg, and an annular power receiving coil. The driver is operable to rotate a rotor blade about a rotation axis. The battery is chargeable/dischargeable and supplies power to the driver. The main body accommodates the battery. The leg supports the main body during landing. The power receiving...