ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,859, issued on Nov. 3, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Ink tank and inkjet printer" was invented by Yoshinori Osakabe (Seto, Japan) and Tomohisa Higuchi (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ink tank for an inkjet printer includes an ink chamber, a buffer chamber, and an air communication portion. The ink chamber contains ink, and the buffer chamber communicates with the ink chamber. The air communication portion includes a flow path, a connecting portion, and an air communication tube. The flow path communicates with the buffer chamber, and at least a portion of the flow path is disposed on a side wall...