KOA Corporation announced that Koichi Mukaiyama, current President, succeeded the late Kazuto Mukaiyama to become the President of Koa Denko Co. Ltd. (former company name of KOA Corporation) in 1977. Koichi Mukiayama was instrumental in expanding KOA into a global company with the top worldwide market share in fixed resistors.

In recognition of his service and with the company proceeding to the new stage, this change was made to rejuvenate the Management to ensure sustaining the growth of the company. Newly-appointed President, Tadao Hanagata, after working as an engineer to design products and develop raw materials, gained a range of experience through being transferred to overseas, being in charge of quality and production, etc. to burnish his career.

Since being appointed a member of Board of Directors in 2008, he has been leading the development of new products and technologies. Koichi Mukaiyama will become Chairman and Representative Director from old post, President and Representative Director. Tadao Hanagata will become President and Representative Director from old post, Director in charge of Monozukuri IV.

Tadao was appointed General Manager of Leaded Products Block, Resistors Manufacturing Division in April 2000; appointed General Manager of Quality Improvement Center, Global Quality Assurance Initiative in October 2001; appointed Representative of Kami-Ina Business Field, Monozukuri IV in October 2003; and appointed Director in June 2008, till date.