Kouichi has done the following roles in games.

Capcom vs SNK 2 E.O. -Mark of the Millenaire 2001- [GameCube, PS2, Xbox]	Guile
Capcom vs SNK 2 E.O. -Mark of the Millenaire 2001- [GameCube, PS2, Xbox]	Mike Bison
Detonator Orgun [MegaCD]	Masamichi Tomol
Eva to Yukai na Nakama tachi [Playstation]	Kaji
Eva to Yukai na Nakama tachi [Playstation]	Smith
Evangelion Koutetsu no Girlfriend [Playstation, Sega Saturn]	Ryouji
Ganbare Goemon [Nintendo 64]	?
Harry Potter to Himitsu no Heya [Playstation2]	?
Ranma 1/2 [PC Engine]	Hibiki Ryouga
Ranma 1/2 Battle Renaissance [Playstation]	Hibiki Ryouga
Ranma 1/2 Byakuran Aika [MegaCD]	Hibiki Ryouga
Ranma 1/2 Datou, Ganso Musabetsu Kakutouryuu! [PC Engine]	Hibiki Ryouga
Ranma 1/2 Torawareno Hanayome [PC Engine]	Hibiki Ryouga
Shiritsu Justice Gakuen [PlayStation]	Kazama Daigo
Street Fighter Zero 3 []	Cody
Tactical Fighter [Sega Saturn]	Dugal
Tales of Destiny [PlayStation]	Johnny Shiden
Uchuu Senkan Yamato Harukanaru Hoshi Iskandar [Playstation]	Kodai Susumu