| September, 1968 |
I start the production of various gears |
| February, 1972 |
I build more manufacturing facilities for motorcycle part（Change drum） of Kawasaki Heavy Industries. |
| May, 1976 |
I introduce an NC lathe and plan automation |
| September, 1979 |
I build more factories and produce an agricultural machinery part, factory machine parts |
| June, 1983 |
The second factory new establishment, production of motor parts of Mitsubishi Electric ㈱, robot introduction |
| September,1993 |
Enlargement of an office, the factory, production of a construction machine, the heavy industrial machine part |
| December,1998 |
I found the third factory and am produced a construction machine, machine tool parts |
| April, 2000 |
I found Yoshioka techno corporation (Sister companies). |
| September, 2003 |
I acquire ISO9001 |
| 2004～2007 |
It is authorized 『HYOGOKEN GENKI KIGYO』（Hyogo medium and small-sized business） for continuation four years. |
| October, 2005 |
I build more factories and am produced fuel injection device parts |
| April, 2006 |
I chosen『Growth expectation company』（Hyogo medium and small-sized business）. |
| November, 2006 |
I establish a Thai factory |
| November, 2007 |
I establish Nishiwaki factory |
| February, 2008 |
I increase the capital to 40 million yen with capital. |
| April, 2008 |
It is chosen in 100 cheerful companies (the Kinki economy industry station) made with KANSAI thing. |
| May, 2008 |
I establish Yadagawa factory |
| May,2009 |
I acquire ISO14001. |
| October, 2010 |
I increase the capital to 42,500,000 yen with capital. |
| March, 2012 |
Enlargement of Yadagawa factory |
