- 1974年
-
Tonen Sekiyu Kagaku Co., Ltd. (Now Tonen Kagaku GK)started nonwoven business
Installed a commercial size manufacturing facility at Kawasaki plant
- 1977年
- Stopped the operation while R&D activity continued at Toa Nenryo Kogyo Co., Ltd. (Now ENEOS Corp.)
- 1981年
- Installed a manufacturing facility at Nichiei Kogyo Co., Ltd., Isehara plant
- 1986年
- Expanded the manufacturing facility at Nichiei Kogyo Isehara plant
- 1987年
-
Established Tonen Tapyrus Co. Ltd.
- 1997年
- Revamped the calender processing facility.
- 2003年
-
Separated from Tonen Kagaku Co. Ltd. (Dec 12th)
Company name changed to Tapyrus Co., Ltd.
- 2007年
- Expanded the manufacturing facility at Tapyrus Isehara plant.
- 2011年
-
Founded TAPYRUS (THAILAND) Co., Ltd.,
- 2012年
- and completed construction of Thai plant facility
- 2019年
-
Expanded the calender processing facility.
Expanded the manufacturing facility at TAPYRUS(THAILAND) Co., Ltd.