Yutaka Katayama (片山豊, born Yutaka Asoh; 15 September 1909 – 19 February 2015), also known as Mr. K, was a Japanese automotive executive who was employed by Nissan and served as the first president of Nissan Motor Corporation U.S.A. Katayama expanded Nissan's focus from economy vehicles towards sportier vehicles, and is regarded by Datsun/Nissan Z Car enthusiasts as the father of the Z-Car, as well as the Datsun 510.