| 1946,1st April |
Taihei Shoji Co.Ltd was established as a collateral company of Fujisawa Pharmaceutical Co.Ltd. And started at capital 100,000yen. |
| 1947,September |
Changed to the company name as Taihei Chemical Industrial Co.,Ltd. |
| 1948,June |
Merged Nihon Nensei Chemical Industry Co.,Ltd. And started Activated Carbon production as the Gifu Factory. |
| 1948,July |
Merged Toho Shoji Co.,Ltd．And advanced to Tokyo in earnest as Tokyo branch. |
| 1949,June |
Took over the Ishikiri Factory of Fujisawa Pharmaceutical Co.,Ltd. And made the basis of various phosphate compound productions as the Osaka Factory. |
| 1953,October |
Corresponded to the increased demand of phosphate compounds and newly founded the Kasugai Factory. And The Gifu Factory was closed in 1957 attendant upon the completion of moving. |
| 1975,March |
Newly founded the Nara Factory. And closed the Osaka Factory attendant upon the completion of moving. |
| 1991,October |
Increased capital 19 times, reached capital 459,000,000 yen. |
