Inagawa-kai


The Inagawa-kai is the third largest of Japan's yakuza groups, with approximately 1,600 members. It is based in the Kantō region, and was one of the first yakuza organizations to begin operating overseas.

History

The Inagawa-kai was founded in Atami, Shizuoka in 1949 as the Inagawa-gumi by Kakuji Inagawa. Most of its members were drawn from the bakuto, and illegal gambling has long been the clan's main source of income. It has also expanded into such fields as drug trafficking, blackmail, extortion, and prostitution.
The Inagawa-gumi was renamed the Inagawa-kai in 1972. After Kakuji Inagawa, the gang was led by Susumu Ishii, who led it to unprecedented financial prosperity during the 1980s Japanese bubble economy. At one point the clan's assets were estimated to be over $1.5 billion. After Ishii's death in 1990, Inagawa's son Toi Inagawa took over as kumicho and led the clan until his death in May 2005. Yoshio Tsunoda took up the mantle in 2006, heading the clan until his death in February 2010.
The Inagawa-kai quietly helped to provide relief in the wake of the 2011 Tōhoku earthquake and tsunami by sending supplies to affected areas. As a whole, the group shipped over 100 tons of supplies, including instant ramen, bean sprouts, paper diapers, batteries, flashlights, tea and drinking water, to the Tōhoku region.

Key persons

Inagawa-kai's renowned figures in the 20th century include Tatsuo Deguchi, Kingo Yoshimizu, Kijin Inoue, Takamasa Ishii, Haruki Sho, and Kiichiro Hayashi.

Leadership

In April 2025, Jirō Kiyota, the former fifth kaichō and then-current sōsai, died of illness. As a result, Kazuya Uchibori became the leader of the Inagawa-kai in both name and reality as its sixth kaichō.
  • 1st kaicho: Seijo Inagawa
  • 2nd kaicho: Takamasa Ishii
  • 3rd kaicho: Yūkō Inagawa
  • 4th kaicho: Yoshio Tsunoda
  • 5th kaicho: Jiro Kiyota
  • 6th kaicho: Kazuya Uchibori

    In popular culture

  • In the 2010 movie Predators, one of the main characters is a yakuza enforcer known as Hanzo who is revealed to be a high-ranking member of Inagawa-kai.
  • In the popular tabletop role-playing game Shadowrun, the kaicho of Inagawa-kai in the Shadowrun universe is Michizane Oi, a notorious Japanese elf and yakuza gangster and son of a powerful executive, Samba Oi, the chairman of the board of Mitsuhama Computer Technologies, one of the largest keiretsus in Japan.
  • In Hitman 2: Silent Assassin, one of the characters, Tanaka Kusahana, is a high-ranking member of Inagawa-kai.
  • In the video game Terra Invicta, Inagawa-kai is one of many organizations the player can recruit for their faction.