• 1946      Established as a trading company to supply raw materials to help with the reconstruction of Japan
  • 1953      Started in-house production of stabilizers for PVC
  • 1967      Changed company name to Akishima Chemical Industry Co., Ltd.
  • 1982      Patents related to betadiketone, historical breakthrough on PVC stabilizer technology
  • 1992      Became part of Elf Atochem Group (Total)
  • 2000      Acquired ISO 9001 certification
  • 2003      Acquired ISO 14001 certification
  • 2004      Became part of Arkema following its spin-off from Total
  • 2012      Became part of the KEMONE group after its spin-off from Arkema
  • 2016      Joined the IVY Group after the carve-out from KEMONE
  • 2019      Joined Westlake Chemical