Koji Machiya, Japanese engineer.
Machiya, Koji was born on January 15, 1959 in Izumisano, Osaka, Japan. Son of Kiyoshi and Yoshiko Machiya.
Doctor of Philosophy, Osaka City University, 1984.
Senior director Astellas Pharmaceutical Inc., Takahagi, Japan, since 2005.
Married Yuko Masai; children: Yukina, Natsuki.