| 1956 | September | Katokichi Suisan Co., Ltd. is founded with its head office at Kagawa Prefecture, Kanonji City, Kanonji Cho Ko 4055-3. The manufacture and sale of frozen fish products is the purpose of business. Paid-in Capital: YEN 2,000,000. |
| 1957 | January | Freezing equipment installation is completed at the head office factory (present day Port Factory). Frozen food production begins (frozen shrimp for export). |
| 1962 | October | Frozen fried shrimp production begins. |
| 1964 | March | The corporate name is changed to Katokichi Co., Ltd. |
| 1966 | October | The head office and head office factory is moved to a nearby location in Kagawa Prefecture, Kanonji City, and frozen vegetable production begins. |
| 1971 | September | The Yamamoto factory (Mitoyo County, Kagawa Prefecture) is completed, and mass production begins of items such as croquettes and Chinese steamed pork dumplings. |
| 1973 | April | Katokichi Food LEC Co., Ltd. (presently a subsidiary company) is founded to strengthen delivery services. |
| 1976 | February | The head office is moved to Kagawa Prefecture, Kanonji City, Kanonoji Cho Ko 294-1. |
| 1980 | February | The face value of stock is changed due to
a merger ( former Omiya Kensetsu Kougyou Co., Ltd. head office in Kanonji City). The merger is recorded on December 01, 1979. |
| December | Katokichi Shokuhin Co., Ltd. is mergered into the parent company, and the Zentsuji factory and Tadotsu factory are operated as parent company factories. | |
| 1984 | July | The company is listed on the Osaka Stock Exchange, second section. |
| 1986 | July | The company is listed on the Tokyo Stock Exchange, second section. |
| 1987 | January | Stock is acquired in Katokichi Shoji Co., Ltd. (presently Katokichi Food LEC Co., Ltd.). Business expands into the hotel industry. |
| 1987 | May | In both the Tokyo and Osaka Stock Exchanges, the company is assigned to the first section. |
| November | The Central factory is completed at Naka Tado County , Kagawa Prefecture. Mass production of frozen noodles is established. | |
| 1988 | March | Eiwa General Lease Co., Ltd. is founded (presently a subsidiary company). |
| 1991 | October | The Ayakami factory is completed at Ayauta County, Kagawa Prefecture. |
| 1992 | March | Stock is acquired in Koyo Co., Ltd. (presently a connected subsidiary company). |
| 1993 | August | Katokichi Food LEC Co., Ltd's new delivery center located in Kanonji City, Kagawa Prefecture, begins operation. |
| October | Weidongri Comprehensive Foodstuff Co., Ltd. is founded in Shandong Province, China (presently a subsidiary company). | |
| November | The company head office is relocated to Kagawa Prefecture, Kanonji City, Kanonji Cho Ko 1490-1, as a result of the completion of the new head office building. | |
| 1994 | September | Mass production of frozen pre-cooked rice is established at the newly completed Niigata Uonuma factory, in Niigata Prefecture, Minami Uonuma County, Shiozawa Cho. |
| Together with Sumitomo Coal Mining Co., Ltd., Hokkaido Katokichi Co., Ltd. is founded as a joint venture company (presently a subsidiary company). | ||
| December | Stock is acquired in the casual dining restaurant chain "Murasaki Honsya Co., Ltd."(presently a subsidiary company). | |
| 1995 | December | Marine Foods Co. Ltd. is merged together with 4 other subsidiary companies and is called Katokichi Foods Co., Ltd. ( presently Katokichi Suisan Co., Ltd.) |
| 1996 | June | Rice item sales begin to coincide with the enactment of the new Staple Foods Law. |
| August | Rice polishing equipment is installed in the Niigata Prefecture, Uonuma factory. This creates a complete, consecutive rice preparation system from polishing through all forms of processing. | |
| To expand the boxed lunch and side dish preparation business, Kankuu Delica Corporation is established (presently a subsidiary company). | ||
| 1996 | September | The second factory is completed at Niigata Prefecture, Uonuma factory. Mass production of sterile-package prepared rice begins. |
| December | Qingdao Katokichi Foods Co., Ltd. is founded in Shandong Province, China (presently a connected company). | |
| 1997 | February | The accounting year is changed to end on March 31 (from the previous method of ending the accounting year on November 30). |
| September | Stock is acquired in GREEN FOODS CO., LTD. (presently a subsidiary company). | |
| 2000 | March | Stock is acquired in the frozen foods manufacturing company KS FROZEN FOODS Co., Ltd. (presently a subsidiary company). |
| Weifang Kaijia Foodstuffs Co., Ltd. is founded in Shandong Province, China (presently a subsidiary company). | ||
| April | Katokichi Suisan Co., Ltd. (an existing company) and Katokichi Foods Co., Ltd. (presently a subsidiary company) merge. | |
| October | Zhoushan Katoka Foods Co., Ltd. is founded in Zhejiang Province, China (presently a subsidiary company). | |
| 2001 | April | Katokichi Food LEC Co., Ltd. (an existing company) and Katokichi Kanko Co., Ltd. merge. |
| 2002 | June | Stock is acquired in Qingdao Aska Food Co., Ltd. located in Shandong Province, China (presently a subsidiary company). |
| December | Murasaki Honsya Co., Ltd. acquires stock in HUB Co., Ltd. (presently a subsidiary company). | |
| 2005 | March | Eiwa General Lease Co., Ltd. (an existing company) and Katokichi Property Co., Ltd. merge. |
