US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on April 14 for "Separator for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,390, issued on April 14, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Separator for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery" was invented by Satoshi Shibutani (Osaka, Japan), Takahito Nakayama (Osaka, Japan) and Shuhei Uchida (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This separator for a nonaqueous electrolyte secondary battery comprises a porous substrate, a heat-resistant layer that is formed on the porous substrate, and clusters of filler particles that are present in dot shapes on the surface of the heat-resistant layer. The filler particle...