| 1975-09 |
Established : CHINUYA FROZEN FOODS CO., LTD : . in Toyonaka-cho, Mitoyo-gun, Kagawa (currently Mitoyo-shi) |
| 1976-07 |
Started operation as a subcontractor of a major frozen food company |
| 1981-04 |
Started operating own-brand business due to bankruptcy of main business partner |
| 1998-08 |
Completed Ehime new plant (former 1st and 2nd factory integrated) |
| 2000-04 |
Established EHIME CHINUYA CO., LTD. (independent of former Ehime plant) |
| 2003-10 |
Established CHINUYA LOGISTICS SERVICE CO., LTD. |
| 2004-02 |
Established : AJINO CHINUYA CO., LTD. |
| 2009-12 |
Established CHINUYA HOLDINGS CO., LTD. |
| 2011-04 |
Established Rongcheng City Office in Shandong Province, China |
| 2013-04 |
Established HOKKAIDO CHINUYA FARM CO., LTD. |
| 2013-12 |
Completed New distribution center |
| 2014-03 |
CHINUYA FROZEN FOODS CO., LTD., and EHIME CHINUYA CO., LTD. obtained FSSC22000 certification : AJINO CHINUYA CO., LTD., (head office) and CHINUYA LOGISTICS SERVICE CO., LTD. obtained ISO22000 certification |
| 2018-03 |
Completed Hokkaido Chinuya Farm Ashoro center |
| 2018-10 |
Established In-house nursery "CHINUYA Kids" |
| 2019-04 |
Established Tokyo Head Office : Completed Chinuya Holdings Shikoku Plant |
| 2020-03 |
Chinuya Holdings Shikoku Plant obtained FSSC22000 certification |
| 2020-10 |
Established SHIKOKU CHINUYA CO., LTD. |
| 2022-07 |
CHINUYA FROZEN FOODS CO., LTD. Repacking Center obtained ISO22000 certification |
| 2023-05 |
Signed a naming rights agreement with Seiyo City, Ehime Prefecture, for Seiyo CHINUYA Park. |
| 2026-04 |
Hokkaido Chinuya Co., Ltd. has joined the group through a share acquisition. |
| 2026-07 |
50th Anniversary |