
Movies (As Crew)
Sorted by Release Date
Another Battle/Conspiracy
Koichi Iiboshi would have been no older than 71 in Another Battle/Conspiracy as 'Writer'.Movie Released: Sat, Feb 15 2003

Yakuza Wolves: The Yanagawa Gang
Koichi Iiboshi would have been no older than 71 in Yakuza Wolves: The Yanagawa Gang as 'Novel'.Movie Released: Fri, Jul 26 2002

Another Battle
Koichi Iiboshi would have been no older than 71 in Another Battle as 'Original Story'.Movie Released: Sat, Nov 25 2000

New Gokudo: Legend Three Dragons 2
Koichi Iiboshi would have been no older than 71 in New Gokudo: Legend Three Dragons 2 as 'Original Story'.Movie Released: Sat, Jan 01 2000

New Gokudo Legend: Three Dragons
Koichi Iiboshi would have been no older than 71 in New Gokudo Legend: Three Dragons as 'Original Story'.Movie Released: Fri, Jan 01 1999

Zoom Up: Sexual Crime Report
Koichi Iiboshi was 57 in Zoom Up: Sexual Crime Report as 'Original Story'.Movie Released: Fri, Oct 09 1981

Battles Without Honor and Humanity: The Complete Saga
Koichi Iiboshi was 55 in Battles Without Honor and Humanity: The Complete Saga as 'Story'.Movie Released: Sat, Apr 05 1980

Aftermath of Battles Without Honor and Humanity
Koichi Iiboshi was 54 in Aftermath of Battles Without Honor and Humanity as 'Story'.Movie Released: Sat, May 26 1979

Japanese Godfather: Conclusion
Koichi Iiboshi was 54 in Japanese Godfather: Conclusion as 'Story'.Movie Released: Sat, Sep 09 1978

Japanese Godfather: Ambition
Koichi Iiboshi was 53 in Japanese Godfather: Ambition as 'Novel'.Movie Released: Sat, Oct 29 1977

Japan's Don
Koichi Iiboshi was 52 in Japan's Don as 'Original Story'.Movie Released: Sat, Jan 22 1977

New Battles Without Honor and Humanity 1
Koichi Iiboshi was 50 in New Battles Without Honor and Humanity 1 as 'Story'.Movie Released: Sat, Dec 28 1974

Code of Wolves
Koichi Iiboshi was 50 in Code of Wolves as 'Original Story'.Movie Released: Sat, Oct 05 1974

Battles Without Honor and Humanity: Final Episode
Koichi Iiboshi was 50 in Battles Without Honor and Humanity: Final Episode as 'Story'.Movie Released: Sat, Jun 29 1974

The Tattooed Hitman
Koichi Iiboshi was 49 in The Tattooed Hitman as 'Original Story'.Movie Released: Sat, Apr 27 1974

Battles Without Honor and Humanity: Police Tactics
Koichi Iiboshi was 49 in Battles Without Honor and Humanity: Police Tactics as 'Story'.Movie Released: Tue, Jan 15 1974

Battles Without Honor and Humanity: Proxy War
Koichi Iiboshi was 49 in Battles Without Honor and Humanity: Proxy War as 'Story'.Movie Released: Tue, Sep 25 1973

Dangerous Trade in Kobe
Koichi Iiboshi was 49 in Dangerous Trade in Kobe as 'Original Story'.Movie Released: Thu, Jun 07 1973

Battles Without Honor and Humanity: Deadly Fight in Hiroshima
Koichi Iiboshi was 48 in Battles Without Honor and Humanity: Deadly Fight in Hiroshima as 'Story'.Movie Released: Sat, Apr 28 1973

Battles Without Honor and Humanity
Koichi Iiboshi was 48 in Battles Without Honor and Humanity as 'Story'.Movie Released: Sat, Jan 13 1973
TV Shows (As Crew)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages