Masashi Funatsu

Nippon Mining & Metals Co., Ltd., which produces gold mainly as a by-product of copper smelting, has its headquarters in Tokyo, Japan. The company's operations include mining and smelting of non-ferrous metals and manufacturing of chemicals, materials and products, notably for the electronics industry

Part of Eternal Materials Co., Ltd., Nikko-Materials Co., Ltd. supplies consumable electronic materials.

Part of ENEOS Holdings, Inc., Toho Material Co., Ltd. is a Japanese company that manufactures inorganic compounds. The company is based in Toki, Japan.

Nippon Mining Holdings Inc. operates two core businesses—petroleum, through Japan Energy Corp., and metals, through Nippon Mining & Metals Co., Ltd. The company does business by holding shares, manages and controls companies that is engaged in crude oil and natural gas mining, coal and brown coal mining, refining and processing of petroleum, sale of crude oil and petroleum products. Nippon Mining also manages manufacturers and sellers of nonferrous metals and other metal products including precious metals and jewelry.