| 1950 |
Otsuka Pharmaceutical Factory divested the organic chemicals business to Otsuka Chemicals and Pharmaceuticals Co., Ltd. |
| 1950 |
Separated the organic chemistry division from Otsuka Pharmaceutical Factory and established Otsuka Chemical Products Co., Ltd. |
| 1952 |
Started manufacture and sales of agrochemicals |
| 1952 |
Started manufacturing and selling pesticides. |
| 1953 |
Started selling a tobacco sucker inhibitor (OMH+30) |
| 1953 |
Launched tobacco axillary bud suppressant "OMH-30". |
| 1963 |
Started selling gravel culture fertilizer |
| 1963 |
Sales of gravel cultivation fertilizer. |
| 1964 |
Started selling the foliar fertilizer Samppi |
| 1964 |
Launched foliar fertilizer "Sanpi". |
| 1976 |
Started selling the herbicide Parazet |
| 1976 |
Launched herbicide "Parazette". |
| 1979 |
Started selling the agricultural material disinfectant Ichiban |
| 1979 |
Launched agricultural disinfectant "Ichiban". |
| 1980 |
Started selling the fungicide Unitekt |
| 1980 |
Launched bactericide "Unitect". |
| 1984 |
Changed the company name to Otsuka Chemical Co., Ltd. |
| 1984 |
Changed company name to Otsuka Chemical Co., Ltd. |
| 1986 |
Started selling the herbicide Myzet and the insecticide Oncol |
| 1986 |
Launched herbicide "Mizet" and insecticide "Onkor". |
| 1992 |
Started selling the insecticide Oleate and the calcium supplement Calplus |
| 1992 |
Launched insecticide "Oreate" and calcium agent "Calplus". |
| 1993 |
Started selling the insecticide Orion |
| 1993 |
Launched insecticide "Orion". |
| 1995 |
Started selling the insecticide Sted Granules |
| 1995 |
Launched insecticide "Sted Granules". |
| 1996 |
Started selling the insecticide Ondaia |
| 1996 |
Launched insecticide "Ondia". |
| 1997 |
Started selling the turf coloring agent Greenway |
| 1997 |
Launched turf coloring agent "Greenway". |
| 1998 |
Started selling Misaki for extending the life of cut flowers |
| 1998 |
Launched cut flower preservative "Misaki". |
| 1999 |
Started selling Otsuka Judge Box Granules, an insecticide and fungicide specifically for rice seedling boxes |
| 1999 |
Launched insecticidal and bactericidal agent "Otsuka Judge Box Granules" for rice seedling trays. |
| 2000 |
Started selling the insecticides Grand Oncol, Oncol Micro Capsules, Ondaia Ace and Deraus Oncol |
| 2000 |
Insecticide "Grand Oncol", "Oncol Microcapsule", "Ondaiya Ace": Release of "Delus Oncol" |
| 2000 |
Fungicide "Oshine" release |
| 2000 |
Started selling the fungicide Alshine |
| 2002 |
Otsuka Chemical Co., Ltd. was newly established to receive the chemical products and agrochemicals and fertilizer business |
| 2002 |
Established Otsuka Chemical Co., Ltd. to succeed in chemical products and agricultural chemicals and fertilizers business |
| 2002 |
Otsuka Chemical Co., Ltd. releases insecticide "Hachihachi Emulsion" |
| 2007 |
Otsuka Chemical Co., Ltd. releases acaricide "Dani Saraba Floable" |
| 2007 |
Otsuka Chemical started selling the acaricide Danisaraba |
| 2010 |
Established Otsuka AgriTechno Co., Ltd. and became independent from Otsuka Chemical Co., Ltd. by way of MBO |
| 2010 |
Otsuka Chemical's Agritech Division established Otsuka Agritech Co., Ltd. through MBO |
| 2011 |
Started the manufacture and sale of the rice paddy herbicides Benfuresate and Benzofenap which were acquired from the German company Bayer Crop Science AG |
| 2011 |
Started manufacturing and selling rice herbicide "Benfresate" and "Benzofenap" purchased from Bayer Crop Science AG, Germany |
| 2011 |
Started manufacturing and selling the rice herbicides Benfuresate and Benzofenap, acquired from Bayer CropScience AG of Germany |
| 2012 |
Acquired Asahi Chemical Manufacturing Co., Ltd. as a 100% subsidiary |
| 2012 |
Made Asahi Chemical Industry Co., Ltd. a 100% subsidiary |
| 2013 |
Established OAT&IIL India Laboratories Private Limited based on an agreement with Insecticides (India) Limited |
| 2013 |
Established joint venture OAT&IIL India Laboratories Private Limited in India through a joint venture agreement with Insecticides (India) Limited |
| 2013 |
Insecticide "Gatten" release |
| 2013 |
Launched the fungicide Gatten in Japan |
| 2014 |
Changed the company name to OAT Agrio Co., Ltd. |
| 2014 |
Launched the fungicide Gatten in Japan |
| 2014 |
Changed name from Otsuka Agritech Co., Ltd. to OAT Agrio Co., Ltd. |
| 2014 |
Established OAT Stevia Co., Ltd. |
| 2014-06-25 |
Listed on the Second Section of Tokyo Stock Exchange (June 25) |
| 2014-06-25 |
Listed on the Second Section of the Tokyo Stock Exchange (June 25) |
| 2014-06-25 |
Listed on the Second Section of the Tokyo Stock Exchange (June 25) |
| 2014-06-25 |
Changed company name from Otsuka Agritech Corporation to OAT Agrio Corporation |
| 2014-06-25 |
Listed on the Tokyo Stock Exchange Second Section |
| 2014-12-24 |
Listed on The First Section of Tokyo Stock Exchange (Dec 24) |
| 2015-12-24 |
Designated on the First Section of the Tokyo Stock Exchange (December 24) |
| 2015-12-24 |
Transferred to the First Section of the Tokyo Stock Exchange (Dec 24) |
| 2015-12-24 |
Designated on the Tokyo Stock Exchange First Section |
| 2016 |
Established PT. OAT MITOKU AGRIO |
| 2016 |
Established PT. OAT Mitoku Agrio |
| 2016 |
Established Runhe (Zhoushan) Plant Technology Co., Ltd. |
| 2016 |
Established OAT Agrifrontier Co., Ltd. |
| 2016 |
Established Runhe (Zhoushan) Plant Science Co., Ltd. |
| 2016 |
Established OAT Agri Frontier Co., Ltd. |
| 2017 |
Participated in establishment of Japan Generic Agrochemicals Association |
| 2017 |
Participated in the establishment of the Japan Generic Pesticide Council |
| 2017 |
Launched new hydroponic cultivation system "TT Series" |
| 2017 |
Obtained ISO9001:2015 certification |
| 2017 |
Started selling a new drip fertigation system “TT Series” |
| 2017 |
Acquired ISO 9001:2015 certification |
| 2018 |
Established Japan Biostimulant Association as a founder |
| 2018 |
Participated in the establishment of the Japan Biostimulant Council |
| 2018 |
H-New Corporation established |
| 2018 |
Acquired LIDA and CAPA companies in Spain |
| 2018 |
Made Inplan Technologies a subsidiary |
| 2018 |
Acquired 20 companies related to Crizal (Blue Wave Holding B.V.) |
| 2018 |
Established H-New Corporation |
| 2018 |
Acquired LIDA Plant Research, S.L. and CAPA Ecosystems, S.L. |
| 2018 |
Acquired Inplanta Innovations Inc. as a 100% subsidiary |
| 2018 |
Acquired Blue Wave Holding B.V including Chrysal and their associated companies |
| 2019 |
Obtained EU pesticide registration approval for Flutianil |
| 2019 |
Obtained EU registration for Fluthiocyanil |
| 2019 |
Obtained GLOBAL GAP certification |
| 2019 |
Obtained GLOBAL GAP certificate |
| 2020 |
Obtained California pesticide registration approval in USA |
| 2020 |
Obtained registration for Fluthiocyanil in California, USA |
| 2022 |
Due to the revision of the market classification of the Tokyo Stock Exchange, shifted from the First Section to Prime Market |
| 2022 |
Transitioned from the First Section to the Prime Market of the Tokyo Stock Exchange due to market classification review |
| 2022 |
Following the Tokyo Stock Exchange’s market restructuring, the Company moved from the First Section to the Prime Market. |
| 2023 |
Shifted from the Prime Market to the Standard Market of the Tokyo Stock Exchange. |
| 2023 |
OAT Pakistan Private Limited was excluded from our subsidiary company due to stock transfer. |
| 2023 |
Moved from the Prime Market to the Standard Market of the Tokyo Stock Exchange |
| 2023 |
Shifted from the Prime Market to the Standard Market of the Tokyo Stock Exchange. |
| 2023 |
Excluded OAT Pakistan Private Limited from subsidiaries through share transfer |
| 2025 |
Established the foundation of the Ministry of Agriculture, Forestry and Fisheries' 'Green Food System Act': the hydroponic cultivation system was certified in the business implementation plan |