US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on July 7 for "Sealed battery" (Japanese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,381, issued on July 7, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Sealed battery" was invented by Masao Ootsuka (Osaka, Japan) and Tadayoshi Takahashi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealed battery includes a battery can with a bottomed cylindrical shape having an opening, an electrode body accommodated in the battery can, and a sealing plate closing the opening of the battery can. The sealing plate has a first main surface facing an outside of the battery can and a second main surface opposite to the first main surface. The first main surface has a first groove therein with an ...