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Nidec Corporation
Nidec makes the tiny electric motors that spin hard drives, power car parts, and run appliances and factory machines.
Nidec is one of the world's biggest makers of small electric motors — the spinning parts inside things that move. Its most famous business is the motors that spin the disks in hard-disk drives, the storage inside computers and data centers. It also makes motors and parts for cars, home appliances, and industrial equipment, plus the fans that keep computers and servers cool.
The core idea is simple. A motor turns electricity into motion, and almost anything with a moving part needs one. Nidec built its reputation on making these motors extremely well and at massive scale, becoming the dominant supplier for hard-drive motors in particular. That business gave it cash and engineering muscle, which it poured into expanding into car motors, appliance motors, and industrial gear. Customers pick Nidec because the parts are reliable and cheap to make in huge volumes, and because switching suppliers for a tiny motor is more trouble than it's worth. The company has grown aggressively by buying rivals, and it now earns a large and growing share of its money from automotive and appliance motors rather than hard drives. That shift matters: hard-drive motors are a mature, slowly shrinking market as flash storage takes over, while electric vehicles and efficiency rules create fresh demand for motors. Nidec's scale and vertical integration — it often makes its own components rather than buying them — help it hold down costs against competitors.
The risks are real. Motor making is competitive and price-sensitive, and Nidec's hard-drive exposure ties it to a declining technology. Its heavy acquisition spree has left it carrying more debt and the challenge of stitching many businesses together. Still, the company generates solid cash and returns some of it to shareholders through dividends and buybacks, while continuing to bet that the world will keep needing small, efficient motors everywhere.
Saved answer · last researched 12 Nov 2026