US Patent Issued to HIOKI E.E. on Jan. 27 for "Impedance measurement device" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,531, issued on Jan. 27, was assigned to HIOKI E.E. Corp. (Nagano, Japan).

"Impedance measurement device" was invented by Akinori Hotta (Nagano, Japan), Hiroyuki Toya (Nagano, Japan), Hiroyoshi Ikeda (Nagano, Japan), Shin Kasai (Nagano, Japan), Tomoharu Sakai (Nagano, Japan), Yasuyuki Tsukioka (Nagano, Japan) and Koichi Yanagisawa (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal injection unit configured to inject an AC signal to an target injection line to which a battery is connected in series, a non-contact-type current sensor that detects a current value of the AC signal flowing through the target injection line in a non-con...