1 August 2019: Became a wholly owned subsidiary of the parent company, Koito Manufacturing Co., Ltd. KI Holdings Koito Electric Okayama Industries Aircraft Seats KI Holdings manufactured seats for commercial aircraft from 1959, but in February 2010 received a business improvement recommendation from the Japanese Ministry of Land, Infrastructure and Transport.

Railway Control Equipment and Display Devices Along with Morio Electric, KI Holdings holds a large share of destination signage, master controllers and destination display devices for the railway industry.

The company also manufacturers interior LED lighting for trains and the "Patto Vision" in-car information display.

Home Equipment KI Holdings manufacturers hand driers, many of which are produced for TOTO.

In February 2010, Koito Industries faced a controversy with the Ministry of Land, Infrastructure and Transport of Japan regarding its airline seats.