ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,865, issued on March 25, was assigned to PACIFIC INDUSTRIAL Co. LTD. (Ogaki, Japan).
"Valve stem and tire valve" was invented by Masahiko Yamamoto (Fuwa-gun, Japan), Katsuji Ono (Motosu, Japan) and Michinari Hirose (Ibi-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve stem to be mounted to a valve mounting hole of a tire wheel includes a stem body that is pipe-shaped, contains a valve core inside, and has a proximal end to which an electrical circuit unit is fixed, and a cover member made of elastomer and covering an outer side of the stem body. The valve stem includes an engagement groove formed on an outer circumferential surface...