Hiroyoshi Tosa

Otsuka Chemical Co., Ltd. engages in the production of chemicals and diet supplements. It provides inorganic salts, bromides, hydrazine, foaming agent, polymerization initiator, preparation articles, rust-preventive agent, fire retarding material, intermediates, and electro-organic synthesis products. The company was founded on August 29, 1950 and is headquartered in Tokyo, Japan.

Higashiyama Film Co., Ltd. engages in the film-processing business. It offers fine coating films which includes hard coat films that are used in surfaces of touch input, such as mobile telephones, mobile game machines and car navigation systems. The company was founded in May 1949 and is headquartered in Nagoya, Japan.