| 1973 |
Founded as a sole agency for Eperan® manufactured by Kaneka Corporation, with the capital of \ 30 million |
| 1975 |
Establishing Matsumoto Regional Office (now over 18 offices, factories and related entities in Japan) |
| 1982 |
Establishing TRICONE Sales Corporation with capital of \ 31 million |
| 1987 |
Building head office in Nishi-nippori (Arakawa-ku, Tokyo) |
| 1989 |
Expanding into Taiwan, first overseas expansion (now over 50 offices, factories and related entities in eight countries) |
| 1996 |
Establishing EPE International Corporation with capital of \ 90 million |
| 2001 |
EPE Corporation, EPE International Corporation and TRICONE Sales Corporation acquiring ISO 14001 certification (Registration No. RTRI 2001E0017) |
| 2002 |
Keita Yamashiro assuming office of President |
| 2006 |
Changing registration for ISO 14001 to Registration No. JAER 0694 |
| 2011 |
New logo starting |