Dr. Minoru Shirota succeeds in culturing Lactobacillus casei strain Shirota at the Universtiy of Kyoto in Kyoto, Japan. This later became the main ingredient in Yakult.
Yakult is manufactured and introduced to the market.
Yakult launches its unique Yakult Ladies system of door-to-door distribution.
Yakult Co., Ltd. Taiwan begins operations as the company's first overseas operation.
Company stocks are listed on the Tokyo Stock Exchange.
Yakult enters first European market (The Netherlands)
The cancer prevention efficacy of Lactobacillus casei Shirota is announced at the 58th General Meeting of the Japan Cancer Society.
Yakult enters select Hispanic markets in the United States.
Yakult expands to general market stores in Northern California and Phoenix, Arizona.
Yakult expands to general market stores in Utah.