US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on April 29 for "Separator and nonaqueous electrolyte secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,899, issued on April 29, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Separator and nonaqueous electrolyte secondary battery" was invented by Takafumi Tsukagoshi (Hyogo, Japan) and Shinya Miyazaki (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This separator is provided with a resin substrate, a first heat-resistant layer that covers the entirety of one surface of the resin substrate, a second heat-resistant layer that covers a portion of the other surface of the resin substrate, and an uncovered region that is in the other surface of the resin substrate and that is not covered by the second heat-...