| 1970 |
Aijiro Nagata, the founder of Nagata Chaen started production
and sales of Uji-cha produced without agricultural chemicals and chemical fertilizers. |
| 1977 |
Export of green tea free from agricultural chemicals to the U.S.
and European countries started. |
| 1981 |
Kokichi Nagata, the current president of Nagata Chaen succeeded
the business. |
| 1986 |
Incorporation. |
| 1990 |
Foundation of International Nature Farming Research Center,Ujicha
branch was established. |
| 1992 |
NINK, an organization to certify organic foods
in Japan (now JONA) was founded and Kokichi Nagata was one of the originators. |
| 1994 |
Obtained OGBA international certification for organic food. |
| 1995 |
Obtained OCIA international certification for
organic food |
| 1996 |
Obtained JONA international certification for organic food. |
| 1999 |
An analysis laboratory was set up and analysis of chemical residues
started. |
| 1999 |
Obtained ECOCERT certification for organic food. |
| 2002 |
FOODEX JAPAN 2002 at Makuhari Messe in Chiba 12.Mar`15.Mar 2002 |
| 2002 |
In Oita Prefecture, the agricultural legal entity Bungo Oita
organic tea producers' cooperative was established. |
| 2003 |
FOODEX JAPAN 2003 at Makuhari Messe in Chiba 11.Mar`14.Mar 2003
|
| 2003 |
Ujitawara plant 2nd. was worked on March 24. |
| 2004 |
The promotion video of Nagata Chaen was created in March. |
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