Seibu Giken Co., Ltd. manufactures air-conditioning, heating and refrigerating equipment. Its products include desiccant dehumidifier, dry room system, low dew point dry air glove box, VOC concentrator, heat wheel, NMP recovery system, and honeycomb filter. The company was founded by Toshimi Kuma in November 1962 and is headquartered in Koga, Japan.