is a Japanese film, television, video game and non-soundtrack music composer, arranger and conductor. He is the son of the composer Katsuhisa Hattori and grandson of composer Ryoichi Hattori. He has won three Japan Academy Prize awards in the category Outstanding Achievement in Music and was the music director of the Japan Pavilion at the Expo 2010. In recent years, Hattori has worked with popular supergroup JAM Project, serving as orchestral arranger and conductor on two of their albums, "Victoria Cross" and "THUMB RISE AGAIN", as well as in their live concerts promoting said albums.