| 1890 |
It starts as aTsuga Jute company.
First Jute mills in the country is established in Kobe |
| 1918 |
Organizationchange to The KOIZUMI JUTE MILLS |
| 1930 |
Tokyo Office establishment (Tokyo Branch) |
| 1956 |
Chemical fiber spinning start. |
| 1962 |
|
| 1964 |
Shiga Factory establishment |
| 1967 |
Fukuoka Office establishment |
| 1979 |
Osaka Office establishment |
| 1982 |
It is gathered jute spinning by Shiga plant
A hollow blow molding business start |
| 1987 |
A hollow blow business moved to Shiga plant. |
| 1990 |
The 100th anniversary ceremony of the company's foundation was held
The Honorary Consul of Banguradish in Kobe opens |
| 1991 |
"ROKKO 23" opens as shopping mall |
| 1995 |
The Great Hanshin Earthquake damaged |
| 1996 |
The start of the Harley-Davidson business |
| 1998 |
The World Cup of the bowling is held with the Rokko bowl of the direct management |
| 2000 |
Shiga acquired ISO9001 certification. "Southern Mall Rokko B612" opens as shopping mall. |
| 2008 |
Head Office acquired EA21. Shiga Plant acquired ISO14001 certification. |