US Patent Issued to TORAY INDUSTRIES on Jan. 20 for "Polypropylene film, metal membrane layered film, and film capacitor" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,923, issued on Jan. 20, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Polypropylene film, metal membrane layered film, and film capacitor" was invented by Yasuyuki Imanishi (Otsu, Japan), Masatoshi Ohkura (Otsu, Japan) and Kohei Yamanaka (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a polypropylene film that has excellent reliability and withstand voltage characteristics in high temperature environments when used in high voltage capacitors, that has a structure with excellent stability against heat and is suitable for applications in capacitors or the like to be used at high temperatures and high voltages, and that ...