Naoto Okada

Resonac Corp. engages in the manufacture and sale of functional materials, electronic components, and automotive products. It operates through the Functional Materials, and Advanced Components and Systems divisions. The Functional Materials division includes electronic, inorganic, polymer science, and printed wiring board materials. The Advanced Components and Systems division consists of automotive products, electronic components, batteries, capacitors, and diagnostic instruments. The company was founded on October 10, 1962 and is headquartered in Tokyo, Japan.

Hitachi Chemical Storage Battery (Thailand) Public Co., Ltd. engages in the business of manufacturing and distributing automotive batteries. It offers batteries of motorcycle, lighting, golf, EB, traction, EV, and stationary battery through the 3K brand. The company was founded on June 10, 1986 and is headquartered in Samut Prakarn, Thailand.

Showa Denko Materials (Singapore) Pte Ltd. engages in the manufacturing and marketing of printed wiring boards. The company was founded on November 10, 1972 and is headquartered in Singapore.

Part of Resonac Holdings Corp., Hitachi AIC, Inc. is a Japanese company that manufactures and sells electronic and electric equipment, parts and materials, deposition products and application processed products, and industrial machinery. The company is based in Tokyo, Japan.

Part of Resonac Holdings Corp., Hitachi Powdered Metals (Thailand) Co. Ltd. is a company that manufactures and distributes metal products. The company is based in Chachoengsao, Thailand.