Kōichi Tanimura
Acting
Known For

A young man who showed little promise while a high school student becomes a master detective, just like his grandfather.
The Files of the Young Kindaichi

A rookie detective learns that life in law enforcement may not be as glamorous as he thought it would be.
Bayside Shakedown

A detective breaks all rules of ethical conduct while investigating a colleague’s involvement in drug pushing and Yakuza activities.
Violent Cop

The tenth film in the 'Conquest' series.
Conquest 10

The fall of Yoshimoto Imanishi spreads Nobunaga Oriki’s (Hitoshi Ozawa) reputation across Japan. In Omi, he forges a brotherhood oath with Nagamasa Asakawa (Daisuke Nagakura), further extending the Oriki-gumi’s influence. Alarmed, National Police Agency Director Ichijo (Masahiko Tsugawa) orders their destruction. Meanwhile, Ieyasu Tokusawa (Yasukaze Motomiya) abandons the Imanishi-gumi, declaring independence as the Tokusawa-gumi. Upon learning this, Nobunaga extends his hand, joining forces with Tokusawa in pursuit of nationwide unification. Elsewhere, Yoshiaki Ashitaga (Kazuyoshi Ozawa), ousted from the Murohachi Alliance, seeks to rebuild it, turning to Shingen Takebe (Shun Sugata) for aid—but is coldly passed around. And from Fukui, Mitsuhide Akashi (Mikio osawa) of the Amakura-gumi moves the pieces of the board, pulling the Oriki-gumi into the next great upheaval.
Yakuza: Domination of the Realm 5

With the death of Nobuhide Oriki (Tokuma Nishioka), a brutal succession battle erupts within the Oriki-gumi. By vote, Nobunaga (Hitoshi Ozawa) becomes second-generation boss, forcing his brother Nobuyuki into rebellion. In the bloody aftermath, Nobunaga kills both Nobuyuki and his relative Nobuyasu Iwasaki (Hitomi Matsuda). Tragedy deepens as his right-hand man Masahide Hirako (Jiro Okazaki) takes his own life, and his father-in-law Michizo Saimon (Shinzo Hotta) is assassinated in a coup. Now as boss, Nobunaga sets the underworld in motion once more: Ujiyasu Nanjo (Sansho Fukami) rises in Kanto, Motonari Mōriya (Shinichi Chiba) expands in Aki, and in Nagano the fated clash of Kenshin Uemura (Ryuji Harada) and Shingen Takebe (Shun Sugata) begins. But the greatest threat comes from Yoshimoto Imanishi (Naoya Makoto), leading the invasion of Owari. The “war of the elephant and the ant” is about to reach its endgame.
Yakuza: Domination of the Realm 4

The yakuza world has entered an age of war. In Owari, Nobuhide Oriki (Tokuma Nishioka) pushes for unification, while his son Nobunaga (Hitoshi Ozawa) seizes territory by force. Suruga boss Yoshimoto Imanishi (Naoya Makoto) launches an invasion, sending Ieyasu Tokusawa (Yasukaze Motomiya)—but he’s abducted by Nobunaga’s ambitious younger brother, Nobuyuki (Masaki Nishimori), who is soon captured himself. A truce is struck with a hostage exchange, but when the Imanishi underboss turns up dead, peace collapses and war erupts. Meanwhile, Michizo Saimon (Shinzo Hotta) of Mino, dispatching young Hitoyoshi Toyoumi (Hideo Nakano) on a dangerous mission.
Yakuza: Domination of the Realm 2

No description available.
Lolita-zuma: Binetsu

The finale of a 6-part series. Finally, the time has come for the election of the chairman at the WRC executive meeting. Chairman Umehara (Ozawa Hitoshi) was thought to be the sure candidate, but Vice Chairman Konno (Noguchi Masahiro) puts his name forward as a candidate for the position in a surprise move. Chairman Tamura (Sugata Shun) is arrested, but is released by Inspector Sano (Fukimizu Sansho) and sets out to assassinate Umehara. Meanwhile Tadano (Namioka Kazuki) has uncovered the entire truth about his assignment into the WRC, the "accident", and must ask himself: What is loyalty, when your "allies" use you and your "enemies" protect you? A bloody finale ensues!
Men of the Underworld: Final Chapter

Sixth film in the 'Conquest' series.
Conquest 6

The eleventh film in the 'Conquest' series.
Conquest 11

Seventh film in the 'Conquest' series.
Conquest 7

The Tohoku conflict erupts over a succession dispute within Aomori’s major Shinno organization, the Shobugawa-ikka. Kyowakai direct affiliate Himuro (Yasukaze Motomiya) heads to Akita to quell the escalating violence, but an attack on Shin’yukai chairman Hirakawa (Hitomi Matsuda) plunges the situation into even deeper chaos. As Himuro tracks the movements of Norisaka, head of the Norisaka-gumi of the Shobugawa-ikka and the mastermind behind the unrest, the conflict shows no sign of slowing—pushing the Tohoku war toward a critical turning point.
Unification Of Japan 14

Fourth entry in the 'Conquest' series.
Conquest 4

Fifth entry in the 'Conquest' series.
Conquest 5

The thirteenth film in the 'Conquest' series.
Conquest 13

The Ninth film in the 'Conquest' series.
Conquest 9

Second film in the 'Conquest' series.
Conquest 2

The eighth film in the 'Conquest' series.
Conquest 8

Himuro (Yasukaze Motomiya), a direct affiliate of the Kyowakai, finds himself partially drawn into an internal conflict within the Tohoku Shinnokai. Over control of territory in Tohoku, a tense three-way standoff continues between Hirakawa (Ichizo Matsuda) of Akita’s Shinyu-kai, Himuro of Aomori’s Kyowakai, and Okita of Miyagi’s Suijinkai. Amid this deadlock, an attack on Zaizen—an aide close to Kyowakai chairman Kudo (Hakuryu)—causes the conflict to rapidly escalate.