
Born in Gifu Prefecture, Koyama attended Nihon University but quit midway to join the independent production company Kindai Eiga Kyokai, where he worked as an assistant director under such directors as Kaneto Shindō, Kozaburo Yoshimura, and Tadashi Imai. He made his directorial debut in 1971 with thechildren's film Koi no iru mura. His second film, Futatsu no hāmonika (1976), earned him a New Directors Citation from the Directors Guild of Japan. His 1983 film Hometown was entered into the 13th Moscow International Film Festival. His 1987 film, Hachiko Monogatari, about the faithful dog Hachiko, was the top Japanese film at the box office that year. He is known for his humanistic perspective.
Kusa no ran
2004
Maya no Isshou
1996
Mitabi no kaikyô
1995
Himeyuri no To
1995
Sakura
1994
Faraway Sunset
1992
The Pale Hand
1990
Don't Mind
1990
Thousand Cranes
1989
Hachiko
1987
Hometown
1983
Fifth Movement
1981
Tomorrow Evening
1977
Mount Hakkoda
1977
Two Harmonicas
1976
Heat Wave Island
1969
Maya no Isshou
1996
Mitabi no kaikyô
1995
Himeyuri no To
1995
Thousand Cranes
1989
Hometown
1983
Fifth Movement
1981
Tomorrow Evening
1977


























