ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,489, issued on Nov. 3, was assigned to TOTO Ltd. (Kitakyushu, Japan).
"Sanitary washing device" was invented by Katsuya Nagata (Kitakyushu, Japan) and Junki Hamada (Kitakyushu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sanitary washing device includes a casing and a nozzle unit. The nozzle unit advances and retreats between the casing and a toilet. The nozzle unit is curved to be upwardly convex and advances and retreats along an arc-like trajectory. The nozzle unit includes a first flow channel through which water flows and a second flow channel connected to the first flow channel. A water flow direction of the second flow channel in a ...