Osamu Koike (小池 修, Koike Osamu), born July 8, 1959, is a Japanese professional musician, composer, and arranger. He is mainly known for his saxophone performances but he is also talented with the flute. He has played for many J-pop artists and orchestral performances around the globe, one of which took place in Carnegie Hall, New York. Koike is currently a member of the four-man band, EQ (Earth Quartet), as the tenor sax. His professional website is here.