Koito Manufacturing Co., Ltd. engages in the manufacturing and marketing of automotive lighting equipment, aircraft parts, and electrical equipment. The company is headquartered in Shinagawa-Ku, Tokyo-To and currently employs 23,332 full-time employees. The company operates through five segments based on region. The Japan segment is involved in the manufacture of light-emitting diode (LED) headlamps, headlamps and auxiliary lights, signal lights, high-mounted stop lamps, halogen bulbs, various other small bulbs, other lighting fixtures, railway vehicle control equipment, road traffic signals, traffic control systems, road and tunnel lighting, facility lighting, residential equipment, environmental control equipment, aircraft parts and electronic components, headlamp cleaners, sensor systems (LiDAR), railway vehicle seats, transportation services, and insurance services. The Americas, China, Asia, and Europe segments are involved in the manufacture of LED headlamps, headlamps and auxiliary lights, and others.