JOB Corporation was established as a power supply manufacturer by President YAMAMOTO (Founder) in 1988. Afterwards, JOB Corporation devotes one's energies to research and development of the X-Ray generators, and is covering a wide range of field from medical use to industrial use. Especially JOB Corporation has a preeminent width and depth about technology and know-how of high voltage generator. Please patronize JOB Corporation that keeps progressing to the motto "Challenge to a new technology!".
| 1988 | JOB Corporation was established in Shinyokohama, Kohoku-Ku, Yokohama. Capital JPY 5 million. |
| 1989 | Developed 2kW direct current high voltage power supply for medical X-Ray equipment. |
| 1990 | Developed 100kV direct current high voltage power supply for industrial X-Ray equipment. |
| 1991 | Increased Capital to JPY 20 million. |
| 1994 | Developed power supply for laser. |
| 1997 | Started development of portable X-Ray unit. Moved Head Office to Shinyokohama, Kohoku-Ku, Yokohama. |
| 2000 | Increased Capital to JPY 40 million. Developed X-Ray equipment for non-destruction inspection. |
| 2002 | Obtained certificate for medical equipment manufacturer. |
| 2006 | Obtained certificate of ISO 13485. Obtained certificate veterinary medical equipment manufacturer. |
| 2007 | Obtained certificate Medical device marketing. Obtained certificate Medical eguipment manufacturer. |
| 2009 | Yamagata factory was established and started manufacturing electronic circuit board. |
| 2013 | Obtained certificate of ISO 14001 |
| 2016 | It was extended, with the completion of a new yamagata factory. |
| 2017 | We have relocated our head office and shin-yokohama factory. |