トヨタ・スープラ
is a Japanese automotive engineer and designer responsible for the design of the first generation Lexus IS F. Born in 1955, he has over 30 years of experience in car design, having worked as head of development and planning for Lexus, where he holds the title of chief engineer. His involvement with Lexus and Toyota is likely how the SC 300 received the renowned inline-6 2JZ-GE from the Mark IV Toyota Supra in a naturally aspirated format. Yaguchi previously worked on the development of the Toyota Chaser and all generations of the Toyota Supra.