Hosoya Pyro-Engineering Co., Ltd. engages in the manufacture and sale of pyrotechnic products and leasing business. Its products are used in various fields such as signals for life saving, cartridges for aircraft, inflators for airbags, and fireworks for leisure. It operates through the Pyrotechnic Business and Leasing Business segments. The Pyrotechnic Business segment engages in the manufacture, evaluation and sale of pyrotechnics. The Leasing Business segment includes the lease of large commercial stores, large laboratory, and powder keg facility. The company was founded by Kiichi Hosoya on June 7, 1906 and is headquartered in Tokyo, Japan.