ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,709, issued on Feb. 10, was assigned to NITTO DENKO Corp. (Osaka, Japan).
"Ventilation component" was invented by Youzou Yano (Osaka, Japan), Tomoyuki Kasagi (Osaka, Japan) and Takumi Takahashi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ventilation component 1a includes an internal member 10, a gas-permeable membrane 20, and an external member 30. The internal member 10 has an open tubular structure, and has a protruding portion 11 on an outer circumferential surface of the open tubular structure. The gas-permeable membrane 20 covers one opening of the internal member 10. The external member 10 is formed to have a closed tubular ...