| September 1972 |
Founded in Gifu Prefecture by Mr. Minokamo Shimizu |
| April 1980 |
Received Manufacturing Business Registration Number 1324 from the Ministry of International Trade and Industry, under Electrical Appliance and material control law article 3. |
| October 1981 |
Becomes a corporation with a capital of 5,000,000 JPY |
| October 1990 |
Industrial site in Minokamo Kamono City is purchased |
| November 1994 |
Capital increases to 10 million yen |
| September 1995 |
Equipment for the production of NCW (wound core transformers) is fitted and production begins. |
| November 1998 |
Approval for use of the NCW Transformer and TUV marks. |
| January 2002 |
Head office relocated to current location |
| April 2002 |
Operations begin in Zhejiang province in China |
| May 2002 |
Capital increases to 20 million yen. |
| November 2004 |
Chinese factory obtains ISO9001 certification |
| November 2006 |
Chinese factory obtains ISO14001 certification |
| November 2016 |
Head office factory obtains ISO9001 certification |
Company History