| 1836: | Morihan Seichajo (Tea wholesaler) is founded in Ogura, Uji, Kyoto |
| 1872: | Matsumoto Kenchaho (Tea Manufacturer) is founded in Yodoyabashi, Osaka |
| 1918: | Morihan Seichajo start business with Matumoto Kenchaho |
| 1928 July: | Develop “Koricha” (cold brew Gyokuro/ Sencha) |
| 1929: | Start sales at Hankyu Market |
| 1930: | Develop the industry first sweetened green tea powder in vacuum can |
| 1940 June: | Kyoeiseicha Co., Ltd. is established by Morihan Seichajo and Matsumoto Kenchaho |
| 1963 October: | Build Uji Higashiyama factory |
| 1964 November: | Move the head office to Nishitenma, Kita-ku, Osaka |
| 1966 November: | Open Tokyo office, Start filling into vacuum can for the first time in green tea industry |
| 1977 November: | Build a distribution center in Toyonaka, Osaka |
| 1982 December: | Raise the capital to 45,000,000 JPY |
| 1989 February: | Build a coffee factory |
| 1994 October: | Develop and introduce Matcha latte powder and black tea latte powder products |
| 1996 Septemver: | Develop and introduce MINTON brand tea series |
| 2005 April: | Renew the head office |
| 2005 September: | Move the distribution center to Uji, Kyoto |
| 2006 January: | Establish an integrated system of tea sterilizing and Matcha grinding |
| 2006 October: | Acquire ISO9001 Certificate (Uji Kubo Factory, Uji Higashiyama Factories, Kyoto Minami Distribution Center) |
| 2011 August: | Install a radioactivity analyzer |
| 2012 April: | Renew Tokyo office |
| 2013 June: | Acquire FSSC22000 certificate (Uji Kubo Factory, Uji Higashiyama Factory)
Acquire ISO22000 certificate (Kyoto Distribution Center) |
| 2019 April: | Open Kyoto Techno Center |
