ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,674, issued on Dec. 2, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Information processing system and information processing method" was invented by Kazuo Sakushima (Kanagawa, Japan) and Akiko Takamiya (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing system includes: an obtainer that obtains request information for requesting presence/absence related information indicating presence or absence of a user in a building; and an outputter that outputs, in response to the request information obtained, the presence/absence related information identified by identification informati...