ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,498, issued on April 8, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Tube coupling" was invented by Shigeyoshi Matsui (Osaka, Japan) and Toshihiko Matsuda (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube coupling is configured to connect and couple two tubes that are configured to cause a fluid to flow inside the two tubes. The tube coupling includes: a male connector including a first pipe configured to cause the fluid to flow inside the first pipe, and an insertion part having a protruding shape protruding in an axial direction that is an insertion direction; and a female connector includi...