ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,900, issued on Nov. 3, was assigned to PANASONIC PROJECTOR & DISPLAY Corp. (Osaka, Japan).
"Tube coupling" was invented by Shigeyoshi Matsui (Osaka, Japan) and Toshihiko Matsuda (Fukuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube coupling is configured to connect and couple two tubes for fluid flow. The tube coupling includes: a male connector including an insertion part having a protruding shape protruding in an axial direction that is an insertion direction; and a female connector including an insertion receiving part having a recessed shape recessed in the axial direction and configured to be coupled to the insertion part upon in...