1888: Aijiro Sugita I opens Sugita Shoten store specializing in the production and sale of tea and indigo.

1898: Matcha sales conducted over entire Aichi Prefecture.

1908: Matcha sales expanded to Kanto and Kansai regions.

1912: Sales expanded and 35 hectares of tea under cultivation.

1922: Partnership firm AIYA Tea Shop founded. Aijiro II takes over the firm.

1935: New headquarters and factory built.

1950: AIYA Ltd founded. Aijiro III takes over.

1960-69: Daily production increases to 400 kg with the addition of 320 grinding mills.

1964: Company renamed AIYA Co. Ltd.

1970-84: Daily production increases to 1000 kg.

1977: 260-ton capacity storage refrigerator installed.

1978: Organic tea plantation launched.

1979: Cultivation of organically grown tea leaves begins.

1983: Tea exports to North America commence.

1985: Quality Control Room installed, the first of its kind in the Matcha industry.

1989: AIYA celebrates 100th Anniversary. Aijiro IV takes over. Affiliate firm Meihouen founded to supervise and instruct tea producers..

1990: Grinding mill numbers grow to 1,080 and daily production reaches 1200 kg with the completion of the second factory.

1991: New product control room installed, with a streamlined testing procedure.

1992: Matcha industry’s first reduced-germ production line implemented.

1993: Construction of refinery plant and a 360-ton cold facility storage.

1994: New headquarters and concert hall completed.

1997: AIYA becomes first Matcha producer to be certified by Japan Organic & Natural Foods Association (JONA).

1999: AIYA acquires ISO9002 (International Organization for Standardization) certification, another Matcha industry first.

2001: New York and Vienna offices open. Matcha introduced at food expos and receives government certification, JAS(Japan Agriculture Standards).

2002: Aiya Matcha receives organic certification from OCIA (USA)and IMO (Europe), Matcha industry firsts and Kosher and ISO9001 certifications. Color-safe Matcha MT-21 developed. Domestic and international patents received.

2003: Fully automated Matcha production plant opened. European affiliate, AIYA GmbH. Europe, opened in Austria. Production of certified organic Sencha and Tencha launched in China.

2004: AIYA America relocated to Los Angeles from New York. Japan Tea Summit held in Nishio City. New Matcha factory constructed, resulting in a 25% production increase.