| 1958 June |
Established SEIWA KASEI Industry CO., LTD. based on the development of industrial decomposition technology of wax and high melting point ester such as Beeswax, Privet wax, and Carnauba wax, and also started the manufacturing of various types of emulsifying wax. |
| 1961 December |
Incorporated as a private limited company with capital of 500 thousand yen. |
| 1963 |
Focused on the potential of hydrolyzed collagen and its derivatives and began the research & development of it. |
| 1966 |
Launched the hydrolyzed collagen and its derivatives. |
| 1966 December |
Established Osaka plant in Nunoichi-cho, Higashiosaka city. |
| 1966 December |
Demutualized SEIWA KASEI Industry CO., LTD. with capital of 5 million yen. |
| 1972 December |
Established SEIWA KASEI CO., LTD. which inherited the business of SEIWA KASEI Industry CO., LTD. |
| 1974 February |
Increased the capital to 10 million yen. |
| 1975 January |
Increased the capital to 22 million yen. |
| 1978 January |
Production begins at Nagahama Plant. |
| 1988 March |
Set up a new laboratory in Nakaishikiri-cho, Higashiosaka city. |
| 1989 |
Transferred the laboratory in Higashiosaka plant to new laboratory and unified the research division. |
| 1992 May |
Established Fukui plant at Technoport Fukui in Mikuni-cho, Sakai city, Fukui. |
| 2001 August |
Established the 2nd Fukui plant. |
| 2003 October |
Transferred the Nagahama manufacturing division to Fukui plant. |
| 2006 March |
Established Fukui office and the 3rd Fukui plant. |
| 2007 July |
Expanded a warehouse at Fukui plant. |
| 2007 August |
The ISO 9001 approval acquisition. |
| 2008 October |
Expanded an effluent treatment facility at Fukui plant. |
| 2011 March |
Established new laboratory building in Nakaishikiri-cho, Higashiosaka city. |
| 2011 March |
Set up a new effluent treatment facility at Osaka plant. |
| 2016 February |
Expanded a product and hazardous material warehouse at Fukui plant. |
| 2018 March |
Established a new manufacturing control division building at Fukui plant. |
| 2019 December |
Established the 4th Fukui plant. |
| 2023 July |
Made SEIWA SUPPLY CO., LTD. into a wholly owned subsidiary. |
| 2023 July |
The ISO 14001 approval acquisition. |
| 2023 October |
Achieved 100% renewable electric energy usage at Fukui plant. |
| 2023 December |
Achieved 30% electricity self-sufficiency rate by installing solar panels at Fukui plant. |
| 2024 May |
Established Research and Development center in Nunoichi-cho, Higashiosaka city and unified the research division. |
