NIDEC CORP. engages in the development, manufacturing, and sale of small precision, automotive, commercial & industrial motors, electronic & optical components, and other related products. The company is headquartered in Kyoto, Kyoto-Fu. The firm operates through 10 segments. The SPMS segment manufactures and sells motors for hard disk drives (HDDs) and other small motors. The AMEC segment manufactures and sells in-vehicle products. The MOEN segment, ACIM segment and Nidec Techno Motor segment manufacture and sell home appliances, commercial and industrial products. The Nidec Instruments segment manufactures and sells equipment, in-vehicle products, electronic components and other small motors. The Nidec Mobility segment manufactures and sells in-vehicle products. The Machinery Business Headquarters segment and the Nidec Advanced Technology segment manufacture and sell equipment. The Other segment manufactures and sells in-vehicle products, equipment, electronic components, other small motors.