ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,463, issued on July 8, was assigned to FH ALLIANCE INC. (Kasugai, Japan).
"Air-conditioning system" was invented by Kazuro Hiroishi (Kasugai, Japan) and Hiromi Sugiyama (Kamo-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a construction method of an air conditioning system, the respective rooms are provided with air intake sections 9a to 9d, 18a to 18d which spout air sent from blowers 40a to 40d, 41a to 41d, an exhaust section 52 which forms discharged air current directed from the respective rooms toward the return compartment is provided between the respective rooms and the return compartment, and the plurality of blowers 40a to 40d,...