| 1949-11-28 |
Established on November 29, 1949, with a capital of 10 million yen. The predecessor was the partnership Akiyama Sugar Manufacturing, established in February 1927. |
| 1951-12 |
In December 1951, received an assessment of Nissan raw sugar processing capacity of 120 tons from the Food Agency. |
| 1953-03 |
Listed on the Tokyo Stock Exchange in March 1953. |
| 1953-11 |
Completed the Onarigawa Factory in Koto Ward Sarue in November 1953, increasing Nissan raw sugar processing capacity to 560 tons. |
| 1954-03 |
Listed on the Osaka Securities Exchange in March 1954. |
| 1959-08 |
|
| 1963-08 |
In August 1963, due to the liberalization of raw sugar imports, increased factory capacity to 1,005 tons of Nissan raw sugar processing capacity. |
| 1964-07 |
In July 1964, concluded a general sales agency contract for refined sugar with Marubeni Corporation. |
| 1978-03 |
In March 1978, merged with Yoto Kosan Co., Ltd., and capital increased to 2.288 billion yen. |
| 1978-08 |
|
| 1979-05 |
In May 1979, started production of stevioside at Onarigawa Factory. Began enzyme-treated stevia production the following year. |
| 1983-10 |
In October 1983, established Pacific Sugar Co., Ltd. through a business alliance with Salt Water Port Sugar Co., Ltd., and started joint production from January 1984. |
| 1983-10 |
|
| 1985-01 |
Completed the Chiba Factory (stevia manufacturing) in Ichihara City, Chiba Prefecture, in January 1985, and began production. |
| 1990-09 |
In September 1990, began production of enzyme-treated rutin. |
| 1998-08 |
In August 1998, began production of enzyme-treated hesperidin. |
| 1999-04 |
In April 1999, absorbed Toyo Foods Co., Ltd. |
| 1999-11 |
Celebrated the 50th anniversary of founding in November 1999. |
| 1999-12 |
In December 1999, acquired additional shares of Yoto Housing Co., Ltd., making it a consolidated subsidiary. |
| 2000-07 |
In July 2000, increased capital to 2.94 billion yen through paid-in and third-party allotment. |
| 2001-04 |
In April 2001, acquired additional shares of Tohan Co., Ltd., making it a consolidated subsidiary. |
| 2001-10 |
In October 2001, Pacific Sugar Co., Ltd. began joint production of refined sugar with three companies. |
| 2005-07 |
In July 2005, enzyme-treated isoflavone production was started. |
| 2006-10 |
In October 2006, yuzu polyphenol production was started. |
| 2010-07 |
In July 2010, glycerol glucoside production was started. |
| 2011-10-03 |
On January 1, 2023, the company changed its trade name from Nisshin Sugar Co., Ltd. |
| 2013-04 |
In April 2013, baobab oil production was started. |
| 2018-04 |
In April 2018, the total sales agency contract for refined sugar with Marubeni Corporation was transferred to Marubeni Shokuryo Co., Ltd. |
| 2022-04 |
In April 2022, due to a review of market classification by the Tokyo Stock Exchange, the company transitioned from the First Section to the Standard Market. |
| 2025-02 |
In February 2025, a tender offer was initiated by Wellneo Sugar Co., Ltd. |
| 2025-03 |
In March 2025, the company became a subsidiary of Wellneo Sugar Co., Ltd. |
| 2025-06 |
In June 2025, the company was delisted from the Tokyo Stock Exchange Standard Market. The basic policy for complete subsidiarization and absorption merger of Wellneo Sugar Co., Ltd. was decided. |