ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,882, issued on May 5, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Communication apparatus, smart meter, and secondary battery" was invented by Ritsu Tanaka (Nagoya, Japan), Iwao Ohwada (Nagoya, Japan) and Takaaki Koizumi (Tajimi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication apparatus, which is mounted in a smart meter, includes: a secondary battery; a transmitter-receiver circuit that is operable by using electric power supplied from the secondary battery; and an antenna that emits a wireless signal based on a transmission signal, which is output from the transmitter-receiver circuit, to a space, wherein the secondary...