| 1979 |
Graduated from Gifu Prefectural Gifu High School |
| 1979 |
Moved to Los Angeles and spent seven and a half years as a sushi chef |
| 1984 |
Emi (current President and CEO) and Matsushima (current Vice President) founded the company in Gifu City |
| 1984 |
Founded Submarine Corporation |
| 1984 |
Established Restaurant Express Corporation in Sumida Ward, Tokyo |
| 1992 |
Opened sandwich shop 'Submarine' in Gifu City |
| 1998 |
Founded a home delivery sushi specialty store (later 'Ginnosara') |
| 2000 |
Established Ride On Ace Start No.1 Investment Business Limited Partnership |
| 2001 |
Founded the company and assumed the position of President and CEO (current) |
| 2001 |
Founded the company and became a director |
| 2003 |
Assumed the position of Senior Managing Director |
| 2004 |
Established Ride On Ace Start No.2 Investment Business Limited Partnership |
| 2004 |
Emi (current President and CEO) and Matsushima (current Vice President) founded the company in Gifu City |
| 2004 |
Opened sandwich shop 'Submarine' |
| 2004 |
In addition to store operations, started a delivery business |
| 2004 |
Subsidiary Marine Inc. established |
| 2004 |
Restaurant Express Inc. established in Sumida Ward, Tokyo |
| 2004 |
Total store count reached 600 |
| 2004 |
Changed market to Tokyo Stock Exchange First Section |
| 2004-04 |
Launched operation of a complex store with Sushi Johto! No. 1 store attached to Gin no Sara (Fujimi City, Saitama Prefecture) |
| 2004-04 |
Lid On Express, Uanagi Product Price Reduction & New Product Launch |
| 2004-06 |
Lid On Seasons Inc. established |
| 2004-06 |
20th anniversary of Kamadori (Kama Tora) delivery set meal |
| 2004-08 |
Started service for delivery of local specialty products, 'ANTENNA PORT' |
| 2004-09 |
Integrated Rokusai Kan Sushi delivery with Sushi Johto! |
| 2004-09 |
Opened first overseas Gin no Sara store in Bangkok, Thailand |
| 2004-10 |
Franchise recruitment for Gin no Sara, a delivery sushi service, begins |
| 2004-10 |
Started franchise expansion of Sushi Johto! |
| 2004-11 |
Achieved 100 Sushi Johto stores |
| 2004-12 |
Mogami Seimen store opened in Gifu City, Gifu Prefecture |
| 2008 |
Established Ride On Seas Corporation |
| 2010 |
Appointed as a director of the company in 2010 |
| 2012 |
Established RIDE ON INTERNATIONAL (THAILAND) Co., Ltd. |
| 2014 |
Established Ride On Ace Start No.3 Investment Business Limited Partnership |
| 2015 |
Established venture investment company Ace Start and assumed the position of CEO (current) |
