US Patent Issued to TOYO SYSTEM on Oct. 21 for "Battery test device and battery charge testing method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,480, issued on Oct. 21, was assigned to TOYO SYSTEM Co. LTD. (Fukushima, Japan).

"Battery test device and battery charge testing method" was invented by Yutaka Tomizawa (Fukushima, Japan), Shigeki Nakajima (Fukushima, Japan), Toshihiko Takagi (Fukushima, Japan) and Hideki Shoji (Fukushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Constant current charge control for supplying a charging current of a set current value to a battery by duty-ratio control for a full-bridge circuit is executed. When the voltage between terminals of the battery rises to a set voltage value during the constant current charge control, the constant current charge ...