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| Year | Events |
| 1891 | CEOfs grand-grandfather, Kohei, started a shop and selling teas while he was running a hotel named Ohtaya in front of ex-Kanaya station. |
| 1946 | Became specialized in tea. |
| 1950s | Exports of Japanese tea grew. Started exporting to North America, Turkey, Middle East, and Europe. |
| 1970s | As economy grew drastically, demand of tea grew as well. Widened its tea business. |
| 1973 | Became a stock company, and changed its name to Дޮ‰ïŽÐ–Á’ƒ–≮‘¾“c‰€. |
| 2003 | Koichi Ohta assumed the post of CEO. |
| 2010 | Accepted to Shizuoka prefecturefs management-innovation program for helping new tea dealers to open their shops. |