| Nov. 1996 |
Sanko Tokushushiko establish in Dazaif of Kyoto. |
| Apr. 1973 |
Sanko Tokushushiko was built in Saiin Factory, increased the production of Food-wrapping. |
| Nov. 1982 |
Sanyoshoji Co.,Ltd. was capital of 2million yen, was established by Sanko Tokushushiko. |
| Mar. 1984 |
Sanko Tokushushiko started business of silk print, was built in Gojo Factory. |
| Mar. 1990 |
Campany name was change to Sanko Soken after Sanko Tokusyushiko was merge with the Sanyoshoji. Gojo Factory was change name to Head quarters factory.Sanko Soken Co.,Ltd. join to Electoronic and Optical field. |
| Dec. 1995 |
The capital was increased to 10million yen. |
| Mar. 1996 |
Saiin factory was moved to Hanayacho Factory. |
| Jun. 1997 |
Closed of Dazaifu plant. |
| Sep. 1997 |
Sanko Soken Co.,Ltd. was built in Kadononishi Factory was increased the production of electronics and optical field. |
| Jan. 1998 |
Sanko Soken Co.,Ltd. was built in Nishikyogoku Factory, was more increased the production of electoronics and optical field. |
| Apr. 2000 |
Sanko Consults Ltd. was established. |
| Jul. 2000 |
Kita Factory was established after Hanayacho Factory and Kadononishi Factory was relocated. |
| Sep. 2003 |
The capital was increased to 20million yen. |
| Jul. 2005 |
Onomichi plant in Hiroshima was established. |
| Jul. 2006 |
Mie Factory in Mie was established. |
| Sep. 2006 |
The capital was increased 30million yen. |
| Oct. 2006 |
Kyoto Factory was established after Kita Factory and nishikyogoku Factory was relocated. |
| Feb. 2008 |
We received “KES SETP2” certification.
(KES=Kyoto Environmental manegement system Standard ) |
| Dec. 2008 |
Sanko Soken Vietnam Co.,Ltd. was established. |
| Sep. 2012 |
Ozato Factory in Mie was established |
| Apr. 2014 |
Transferred the head office to Kyoto factory and changed a name of Kyoto factory to the headquarters factory. |
| Dec. 2015 |
Headquarters Factory received ISO 9001 certification. |
