US Patent Issued to TOYOTA JIDOSHA on Feb. 24 for "Power supply device charging power storage device based on voltage comparison" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,582, issued on Feb. 24, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Power supply device charging power storage device based on voltage comparison" was invented by Koichi Kojima (Toyota, Japan), Masashi Yoshimi (Toyota, Japan) and Soichiro Ito (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The power supply device performs one-side charge control for controlling the system main relay, the charging relay, the series connection relay, the parallel connection relay, and the first and second neutral point relays so that only the first power storage unit is charged using the external DC power until the voltage of the first power st...