| June. 1982 | We established our company and set up our head office, which includes a Yokohama factory, in Tsurumi Ward, Yokohama City, Kanagawa Prefecture. |
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| Jul. 1982 | Opened its first lunchbox shop (Namamugi shop) in Tsurumi-ku, Yokohama, Kanagawa Prefecture, Japan. |
| Nov. 1982 | Opened its first “inside a building” Sukiya (Gyudon) restaurant (Namamugi Ekimae restaurant) in Tsurumi-ku, Yokohama, Kanagawa Prefecture, Japan. |
| Jul. 1987 | Opened its first freestanding type restaurant (Mito restaurant) in Mito, Ibaraki Prefecture, Japan. |