A musical composer, Miwa has presented a great number of works with algorithmic composition, a method of composition that utilizes computers. He has won 1st place in the 10th The IRINO PRIZE, 1st place in the 14th Concorso Internationale Luigi Russoro, won the 14th Akutagawa Award for Music Composition, and the 2010 Minister of Education Award for Fine Arts (Development of the Arts Division) in addition to many other awards. In 2007, his “Reverse Simulation Music” won the Golden Nica Award in the Digital Music Division of the Ars Electronica.