| July 1951 |
Patented PVA sponge production. |
|---|---|
| August 1952 |
Started PVA Sponge Business via Kanebo Group (at the time, Kanegafuchi Boseki KK, then later renamed as Kanebo, Ltd.). |
| August 1962 |
Merged with Kanegafuchi Boseki KK. |
| August 1969 |
Relocated factory from beside Sumida River, Tokyo to current location in Kitatone kogyo-danchi (industrial complex), Ibaraki as Kanto Plant. |
| September 1999 |
Acquired ISO9001. |
| December 1999 |
Founded AION Co., Ltd. as wholly-owned subsidiary of SOFT99 Corporation. |
| March 2006 |
Acquired ISO14001. |
| March 2007 |
Withdrew the materials business from agricultural field |