ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,443, issued on April 15, was assigned to Enplas Corp. (Saitama, Japan).
"Contact pin and socket" was invented by Yoshinobu Hagiwara (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This contact pin electrically connects a first electrical component and a second electrical component, the contact pin comprising: a pin body having an inside pin element and an outside pin element combined to be extendable; an elastic member that energizes the inside pin element and the outside pin element in the direction in which the pin body expands when the pin body is in a contracted state; and a pressing part that is provided on the outside pin element...