|Keizo Ishihara started the production of oblate and food pigment in Shizuoka prefecture.
|Temporally closed business because of WWⅡ
|Shohichi Ishihara restarted an independently operated company.
|Established Ishihara Shoten Co., Ltd. with the capital of JPY 500 thousand
|Increased capital to JPY 1.2 million
|Increased capital to JPY 2 million
|Opened the Tokyo Sales Office
|Increased capital to JPY 11 million
|Increased capital to JPY 16.5 million
|Changed company name into Ishihara Co., Ltd.
|Opend the USA Office in Seattle, WA
|Opend the Omiya Sorting Center for sorting walnuts
|Junichi Ishihara was inaugurated as President.
|Opend the Almond Factory
|Moved the Almond Factory to its current address
|Moved the Head Office to its current address
|Almond Factory and Head Office obtained ISO22000 for its food safety management system.
|Joined the Sonton Group
|Almond Factory obtained FSSC22000 for its food safety management system.