Osaka Detention House Explained

Prison Name:	Osaka Detention House
Location:	Miyakojima-ku, Osaka
Pushpin Map:	Japan Osaka Prefecture#Japan
Pushpin Mapsize:	200px
Status:	Operational
Capacity:	2,500
Managed By:	Ministry of Justice

is a correctional facility in Miyakojima-ku, Osaka. A part of the penal system of Japan, it is operated by the Ministry of Justice.

One of Japan's seven execution chambers is in this facility.

Notable prisoners

• Kaoru Kobayashi^[1] (hanged 21 February 2013)
• Mamoru Takuma^[2] (hanged 14 September 2004)
• Yukio Yamaji^[3] (hanged 28 July 2009)
• Hiroshi Maeue (hanged 28 July 2009)
• Sokichi Furutani (hanged 31 May 1985)
• Yoshihiro Inoue (hanged 6 July 2018)
• Yasutoshi Kamata (hanged 25 March 2016)
• Tomohiro Katō^[4] (hanged 26 July 2022)
• Tomomitsu Niimi (hanged 6 July 2018)
• Keizo Okamoto (hanged 27 December 2018)
• Hiroya Suemori (hanged 27 December 2018)
• Kenichi Watanabe (hanged 16 June 1988)
• Tetsuya Yamagami (held pending mental evaluation)^[5]
• Yoshio Yamasaki (hanged 17 June 2008)

Notes and References

1. Web site: Japan executes three inmates. The Japan Times. 2013-02-21. 2013-02-21.
2. News: Japanese school killer executed. 2007-11-23 . 2004-09-14 . BBC.
3. Web site: Japan executes three for multiple murders . AFP . 27 July 2009 . https://web.archive.org/web/20140226121801/http://www.google.com/hostednews/afp/article/ALeqM5guY7pPPbgneVElJ2vRGwhlUviGmg . dead . 26 February 2014 . 17 February 2012.
4. News: Tomohiro Kato: Japan executes Akihabara mass murderer, say reports . Frances . Mao . 26 July 2022 . . 30 July 2022.
5. Web site: 2022-07-25. Abe shooter sent to Osaka to undergo mental competence exam until November. 2022-07-26. The Japan Times. en-US. 26 July 2022. https://web.archive.org/web/20220726194529/https://www.japantimes.co.jp/news/2022/07/25/national/crime-legal/shinzo-abe-tetsuya-yamagami-mental-examination/ . live.