Moved Head Office to Hiroo, Shibuya-ku, Tokyo (present location).Added Hokuyo Co., Ltd. to the Midori Anzen Group of companies as a leather tanning division. Established the Environmental Equipment Division. Began manufacturing and sales of air-cooling fans as well as personal air-
conditioned clothes for high-temperature workplaces. Also developed machinery and equipment to improve the environment, including air cleaners for factory, and other equipment for business use.Completed Tokyo Factory in Soka City, Saitama Prefecture, and began operations.