ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,414, issued on April 21, was assigned to TEIJIN Ltd. (Osaka, Japan).
"Non-aqueous secondary battery" was invented by Wataru Morimura (Osaka, Japan) and Satoshi Nishikawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A non-aqueous secondary battery, containing a positive electrode, a negative electrode, an insulating layer that is a single layer contacting the positive electrode on one side and the negative electrode on another side, and an electrolyte, in which (1) the insulating layer includes a polyvinylidene fluoride type resin and inorganic particles, the Mw of the polyvinylidene fluoride type resin is 900,000 to 1,500,000, and a...