June. 1982
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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.
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Jul. 1982
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Opened its first lunchbox shop (Namamugi shop) in Tsurumi-ku, Yokohama, Kanagawa Prefecture, Japan.
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Nov. 1982
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Opened its first “inside a building” Sukiya (Gyudon) restaurant (Namamugi Ekimae restaurant) in Tsurumi-ku, Yokohama, Kanagawa Prefecture, Japan.
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Jul. 1987
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Opened its first freestanding type restaurant (Mito restaurant) in Mito, Ibaraki Prefecture, Japan.
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