 It was there and then it left and then it came back? It was. It was there. Then it came back for their 50th anniversary. So Nissin Foods, the inventor of instant noodles, is bringing back the good O days and returning the O to Cup Noodles, switching back to the brand's original name when it first hit shelves in the U.S. as Cup O Noodles. The return of the O celebrates the iconic brand's 50th anniversary in 2021. Do you know what this means? We're that old.