ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,304, issued on Jan. 20, was assigned to SANYO Electric Co. Ltd. (Osaka, Japan).
"Electricity storage device and insulating holder" was invented by Hitoshi Maeda (Hyogo, Japan), Mitsuhiro Okada (Hyogo, Japan) and Hiroshi Takabayashi (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electricity storage device includes: an electrode body including at least one positive electrode plate, at least one negative electrode plate, and a separator. an insulating holder that is formed by folding a sheet made of an insulating material and accommodates therein the electrode body; an outer case which has an opening and accommodates therein the electr...