It looks like we don't have any Biography for Kazunari Kouchi yet.
Detective Conan OVA 5
Detective Conan Movie 14: The Lost Ship in the Sky
Detective Conan Movie 13: The Raven Chaser
Detective Conan Movie 16: The Eleventh Striker
Detective Conan Movie 08: Magician of the Silver Sky
Detective Conan Movie 15: Quarter of Silence
Detective Conan OVA 12
Detective Conan OVA 9
Detective Conan OVA 11
Detective Conan OVA 10
Detective Conan Movie 01: The Time-Bombed Skyscraper
Detective Conan OVA 4
Detective Conan Movie 09: Strategy Above the Depths
Detective Conan Movie 18: Dimensional Sniper