Nidec Corporation (ニデック株式会社, Nidekku Kabushiki gaisha), formerly known as Nippon Densan Corporation (日本電産株式会社, Nihon Densan Kabushiki gaisha), is a Japanese manufacturer and distributor of electric motors.

Their products are found in hard-disk drives, electric appliances, automobiles and commercial and manufacturing equipment.

The company has the largest global market share for the tiny spindle motors that power hard-disk drives.

The company was number 42 on the 2005 edition of the Businessweek Infotech 100 list.

[6] Also Nidec was featured on the 2014 Forbes World's Most Innovative Companies list.