ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,477, issued on July 21, was assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (Torrance, Calif.).

"Information processing method and information processing system" was invented by Ayaka Nakasaka (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing method executed by an information processing system that manages information related to energy consumption, includes: storing, in a first distributed ledger, first transaction data indicating that first value information obtained by evaluating, based on a first evaluation scale, a first energy consumption by a first user is to be transferred from the first...