ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,883, issued on Oct. 7, was assigned to NORITZ Corp. (Hyogo, Japan).
"Hot water supply device and hot water supply system" was invented by Kohei Yamashita (Hyogo, Japan) and Shota Mizuno (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot water supply device and a hot water supply system are provided. A controller actuates a circulation pump at a constant output and actuates a heating mechanism for heating by a combustion mechanism when an instantaneous hot water operation is started in response to a temperature drop of a fluid while hot water supply of a hot water supply tap is stopped, until a minimum drive time elapses. The minimum d...