1984
- June
- The first restaurant, called Sushitaro, opens in Toyonaka City, Osaka Prefecture.
- October
- Sushitaro Co., Ltd. is established in Toyonaka City, Osaka Prefecture.
1988
- September
- Sushitaro Co., Ltd. is established in Suita City, Osaka Prefecture.
1996
- September
- A new restaurant is opened offering all items at 100 yen a plate.
1999
- August
- Sushitaro Co., Ltd. of Toyonaka City merges with Sushitaro Co., Ltd. of Suita City.
2000
- December
- The company name is changed to Akindo Sushiro Co., Ltd. and the head office relocated to Settsu City, Osaka Prefecture.
2001
- September
- Expansion into the Kanto region, opening restaurants in Katsushika Ward and Fussa City, Tokyo.
2002
- February
- Development of the world’s first total management system for kaiten sushi.
- July
- Expansion into the Chubu region, opening a restaurant in Atsuta Ward, Nagoya.
2003
- September
- Listed on the Second Section of the Tokyo Stock Exchange.
2004
- February
- Discontinued use of the central kitchen at the head office.
2005
- February
- Head office relocated to Suita City, Osaka Prefecture.
2006
- September
- Expansion into the Chugoku region, opening a restaurant in Okayama City, Okayama Prefecture.
2008
- January
- Expansion into the Shikoku region, opening a restaurant in Tokushima City, Tokushima Prefecture.
- April
- Expansion into the Tohoku region, opening a restaurant in Ishinomaki City, Miyagi Prefecture.
- April
- Expansion into the Kyushu region, opening a restaurant in Kikuyo, Kikuchi County, Kumamoto Prefecture.
- July
- Expansion into Hokkaido, opening a restaurant in Teine Ward, Sapporo.
2009
- April
- Delisted from the Second Section of the Tokyo Stock Exchange.
- June
- Kenichi Toyosaki assumes the post of President and CEO.
- June
- The Sushiro nameis adopted for all restaurants.
2011
- April
- Sushiro Korea, Sushiro’s first overseas affiliate,is established.
- December
- Opened first overseas location, in Jongno, Seoul, Korea.
2015
- February
- Koichi Mizutome assumes the post of President and CEO.