Miyachi Corporation was founded as Miyachi Electronics Co., Ltd. in Tokyo, Japan in 1972 and merged with Miyachi Laser System Co Ltd. in 1990. In 1994, it acquired Unitek Equipment Corporation and merged with Amada Miyachi to form Unitek Miyachi Corporation. In 2005, it was renamed Amada Miyachi Corporation.
MIYACHI is well-known for the development and sale of the world's first digital weld monitor checker in 1973. MIYACHI products are manufactured in Japan and include the MM-315A portable weld checker, the IPB5000A inverter weld control and the popular A Series Nd:YAG laser welders.