On April 25, the first patent for an integrated circuit was issued. It was received by Robert Noyce. Kilby’s application was still being analyzed at that time. However, today it is recognized that they both came to the idea of creating an integrated circuit independently of each other

To date, the prototype of Kilby was very primitive, but it worked. On September 12, 1958, Kilby showed the first work of an integrated circuit and applied for its patent on February 6, 1959