Omron group was founded in 1933. Mr. Ishikawa established a small factory in Osaka called Ishikawa electric machinery manufacturing Institute. At that time, there were only two employees. In the initial stage, in addition to the production of timers, the company once specialized in the production of protective relays. The manufacturing of these two products became the starting point of OMRON Co., Ltd. In order to adapt to the development of the times, at the 50th anniversary of the company's establishment, the company name and brand name were unified and changed to 'Omron Co., Ltd.'.

As of March 31, 2012, there are 35992 employees with a global turnover of 619.5 billion yen. There are hundreds of thousands of products, involving industrial automation control systems, electronic components, automotive electronics, social systems and health care equipment.

Since its establishment on May 10, 1933, Omron group has taken the lead in developing and producing a series of products and equipment systems such as contactless proximity switch, electronic automatic induction signal machine, vending machine, station automatic fare collection system, automatic cancer cell diagnosis, etc. by constantly creating new social needs. It has made contributions to the progress of society and the improvement of human living standards, Omron group has rapidly developed into a world-famous manufacturer of automation control and electronic equipment, and has mastered the world's leading core technology of sensing and control.

The development goal of OMRON group is to create social demand and build a society of 'peace of mind', 'safety', 'environmental protection' and 'health'.