ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,272, issued on April 14, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Alkaline dry battery" was invented by Yasufumi Takahashi (Hyogo Ken, Japan), Takayuki Nakatsutsumi (Osaka Fu, Japan), Yasuyuki Kusumoto (Hyogo Ken, Japan) and Atsushi Fukui (Hyogo Ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An alkaline dry battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte, and the negative electrode includes a negative electrode active material containing zinc, a compound A having a P-O bond, and terep...