|1916||Founder Katsusaburo Ito starts manufacturing clock parts, electrical parts and precision threaded parts in Nagoya.|
|1934||Katsusaburo Ito’s eldest son Toshikazu Ito takes over the business.|
|1941||Production of automotive parts starts with orders from Toyota Motor Corporation.|
|1943||Kyohokai (later operated as Tokai Kyohokai) is established and Ito Kinzoku Kogyo joins the organization.|
|1945||Through an introduction from Taizo Ishida, a throstle spinning plant in Tsukasa-cho, Kariya-shi is acquired as the company’s Honsha Plant, and operations start.|
|1947||Company is reorganized and incorporated as Ito Kinzoku Kogyo Ltd., with capital of 198,000 yen and Toshikazu Ito as president.|
|1963||Letter of appreciation is received from Toyota Motor Corporation to celebrate the milestone of 30,000 Toyota vehicles produced per month.|
|1970||Construction of Asahi Plant is completed in Asahi-cho, Higashikamo-gun.|
|1978||Yasutoshi Ito is appointed as second president.|
|1979||Capital is increased to 50 million yen.|
|1984||Asahi Plant is integrated into Honsha Plant to achieve management efficiencies.
A plant is built in Ogakie-cho, Kariya-shi and it takes over Head Office functions.
|1987||Construction of No.2 Plant is completed at Honsha Plant and operations start.|
|2012||Yoshihide Ito is appointed as third president and Yasutoshi Ito is appointed as chairman.
Construction of No.3 Plant is completed in Ogakie-cho, Kariya-shi and operations start.
Kariya Plant (Tsukasa-cho, Kariya-shi) closes.
|2013||PT. ITOKIN INDONESIA is established at Karawang Industrial Estate in Indonesia.|