US Patent Issued to DENSO on March 31 for "Battery measurement method and apparatus for complex impedance measurement" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,014, issued on March 31, was assigned to DENSO Corp. (Kariya, Japan).

"Battery measurement method and apparatus for complex impedance measurement" was invented by Masaaki Kitagawa (Kariya-city, Japan), Shun Miyauchi (Kariya-city, Japan) and Isao Ishibe (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a battery measurement apparatus, a current controller sets a predetermined wavenumber of each of first and second alternating signals, and determines whether an input or an output of the predetermined wavenumber of one of the first and second alternating signals to or from a rechargeable battery has completed. The current controlle...