US Patent Issued to Paramount Bed on May 19 for "Fluid mattress and bed system" (Japanese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,303, issued on May 19, was assigned to Paramount Bed Co. Ltd. (Tokyo).

"Fluid mattress and bed system" was invented by Makoto Tanaka (Tokyo) and Masakazu Harada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid mattress is provided with a fluid supply unit, a fluid path, a plurality of first cells connected to each other, a plurality of second cells connected to each other, a plurality of third cells connected to each other, a pressure sensor, and a controller. The controller measures first time during when a pressure in the first cell changes from a third pressure to a fourth pressure when implementing a first mode by shifting from a thi...