ALEXANDRIA, Va., July 30 -- United States Patent no. 12,373,832, issued on July 29, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Control method, control device, and recording medium" was invented by Naohisa Nishida (Osaka, Japan) and Yuji Unagami (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control method is a control method for controlling a first node that manages a first blockchain in a first distributed ledger in a system utilized to use a service object and including the first node and a plurality of second nodes that each manage a second blockchain in a second distributed ledger. The control method includes: generating first transaction d...