| 1951 |
Hideo Tahara establishes an iron factory in Tokyo. |
| 1961 |
The company is incorporated as Tahara Iron Works Co., Ltd. and starts manufacturing blow molding machines. |
| 1967 |
The office and factory are moved to the present site. |
| 1969 |
The company is reorganized as Tahara Engineering Co., Ltd. and wholly owned by Kanematsu Corp. with a capital of 20,000,000yen. |
| 1974 |
Merges with Shoei Industrial Machinery Ltd. and changes its name to Tahara-Shoei
Engineering Ltd. |
| 1984 |
Expands the assembly factory. |
| 1988 |
Increases the capital to 50,000,000yen. |
| 1989 |
Changes its name to Tahara Machinery Ltd. |
| 1993 |
Develops first electric blow molding machine and introduces to the market. |
| 1995 |
Establishes comprehensive business alliance with a German company Battenfeld-Fischer. |
| 1997 |
Develops first electric stretch blow molding machine and introduces to
the market. |
| 2000 |
Hitachi Zosen Corporation becomes the shareholder. |
| 2002 |
Constructs the second assembly factory. |
| 2006 |
The Japan Steel Works, LTD. becomes the shareholder. |
| 2010 |
Tahara signs a licensing agreement with an American company Graham Packaging Company L.P. |