Corona Corporation (5909.T) manufactures and sells kerosene-based heating appliances, air conditioners, and household equipment in Japan. The company offers kerosene fan heaters and portable kerosene heaters with patented hand clean tanks; pressure-type kerosene cooking stoves; dehumidifiers; hot water heaters including bath furnaces and Eco Cute heat-pump systems; air conditioning units such as those generating negative ions and geothermal heat pump models like GeoSIS; electric heaters including far-infrared types (Core Heat, Wall Heat, NOILHEAT), natural circulation heaters, and floor-heating systems; nano-mist products for saunas (Nano Rich), health and beauty (nanorefre, refrepro), humidification (nanofeel), and multifunctional warm air systems (Eco Dan, detachable warm water fan heaters); as well as supplementary services including real estate rental and logistics. Founded in April 1937 and headquartered in Sanjo, Niigata, Japan, Corona operates factories in Sanjo, Kashiwazaki, and Nagaoka, with 66 sales offices across Japan and product distribution overseas primarily through European partners. Recent developments include the launch of the OUTFIELD brand in April 2023 and listing on the Tokyo Stock Exchange Standard Market in April 2022; the company employs 2,110 consolidated staff as of March 31, 2025.