| 1940 | 
Shigaken Bussan was established on October 1. The company manufactured and sold linen fabric. | 
| 1967 | 
The Tokyo Sales Office was inaugurated. The sales division was expanded and the information gathering and planning division for the clothing and shoulder pad division was consolidated. | 
| 1970 | 
A new office building was completed to mark the 30th anniversary of the company. | 
| 1987 | 
Built a new dedicated non-woven fabric manufacturing facility. Began manufacture and sale of needle punch non-woven fabric. | 
| 1989 | 
Completed additions and improvements to the No.2 Plant. | 
| 1991 | 
Inherited the goodwill and production facilities of Shigaken Bussan and started business as Unix.
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| 1996 | 
Introduced a CT processing machine for resin coating. | 
| 1998 | 
Built a new filter manufacturing facility. | 
| 2001 | 
Certified as compliant with the ISO 9001 international quality standard. | 
| 2004 | 
Expanded non-woven fabric manufacturing facilities. Introduced special thermal processing machinery for non-woven fabrics. | 
| 2005 | 
Built a new ceramic filter manufacturing facility. | 
| 2009 | 
Started CAD operations. | 
| 2013 | 
Established UNIX SUPER TECH (SUZHOU) CO., LTD. in Jiangsu, China.Started filter operations in China. |