US Patent Issued to BROTHER KOGYO on Sept. 22 for "Maintenance method and image recording device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,467, issued on Sept. 22, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Maintenance method and image recording device" was invented by Katsuya Ono (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A maintenance method includes: supplying a cleaning liquid containing a surfactant to a predetermined portion of an inkjet printer; and supplying a liquid containing a defoaming agent to the predetermined portion to which the cleaning liquid is supplied. The liquid has a ratio of a defoaming distance to a foaming distance of 4.41% or more. The foaming distance is a first height of bubbles generated when the cleaning liquid is stirred by ...