|Nihon Extron Co., Ltd. established in Omori-Nishi, Ota-ku, Tokyo.|
|Opened Souka plant in Hanaguri, Soka City, Saitama Prefecture.|
|Started production of hollow bars.|
|Kureha Chemical Industry Co., Ltd. invested.|
|Headquarters and factory moved to Showajima, Ota-ku. ISO14001 certificatied.|
|Kureha Corporation's capital ratio increased to 100%.|
|Merged Kurefine Co., Ltd. Changed company name to Kureha Extron Co., Ltd.|
|Business integration with Kureha Extech Co., Ltd.|
|Established Sanko Plastics Co., Ltd. in Dejima Village, Ibaraki Prefecture (now Kasumigaura City).
Kureha Chemical Industry Co., Ltd. invested.
|Started production of KFC film.|
|Production of KF piezo sheet stock started.
Company name changed to Kureha Extech Co., Ltd.
|Started production of KF compound, a fluororesin.|
|Management integration with Kureha Extron Co., Ltd. as the surviving company.|