| June. 1982 | Zensho Co., Ltd. (currently Zensho Holdings Co., Ltd.) was established, and located its head office annexed to Yokohama factory in Tsurumi-ku, Yokohama in Kanagawa Prefecture, Japan. |
|---|---|
| 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. |