Mitsuyoshi Ishii

Tanaka Holdings Co. Ltd. manufactures and distributes precious metal products. It operates through its subsidiaries such as Tanaka Kikinzoku Hanbai, Tanaka Kikinzoku International, and Tanaka Denshi Kogyo. The firm offers services to the energy conservation, environmental control, health care, electric and electronics, automobile, telecommunication, and semiconductor industries. The company was founded in 1885 and is headquartered in Tokyo, Japan.

Tanaka Kikinzoku Kogyo KK manufactures, sells, imports, and exports industrial metal products. Its products include platinum, gold, silver and others. The firm also does refining and recycling of precious metals. The company was founded in 1885 and is headquartered in Tokyo, Japan.

Metalor Technologies International SA manufactures, sells, imports and exports industrial metals products. Its core competencies are chemistry, metallurgy and management of precious metals. The company was founded in 1852 and is headquartered in Neuchatel, Switzerland.

Electroplating Engineers of Japan Ltd. provides plating solutions and equipment. The company was founded on September 16, 1965 and is headquartered in Tokyo, Japan.

Part of Metalor Technologies International SA /Thanke/, Mitomo Semicon Engineering KK is a Japanese company that designs and manufactures various equipment for connectors, surface treatment devices for lead frames, and semiconductor wafers. Founded in 1976, the company is based in Joso, Japan. The company has a number of achievements in their services, with many of their specialties being semiconductor wafer plating devices. The company supplies original devices according to the needs of their customers, with an emphasis on ease of use, easy replacement of parts, and high maintenance performance. The company has many experienced engineers who specialize in abundant human resources, and they strive to improve customer satisfaction through prompt customer support.