Keiji Kojima

Proterial Ltd. engages in the manufacture and sale of products for automobile, electronics, and infrastructure industry sectors. It operates through the following divisions: Specialty Steel, Magnetic Materials, Functional Components, and Cable Materials. The Specialty Steel division includes high-grade special steel, rolls, steel and ceramic structural parts, injection molding machine parts, and soft magnetic materials. The Magnetic Materials division comprises of magnets and ceramic products. The Functional Components division consists of high-grade casting components for automobiles, piping and infrastructure components, and construction components. The Cable Materials division offers electric wires and functional items such as industrial wire, equipment wire, industrial rubber, cable processed products, automotive electrical components, and brake hose. The company was founded on April 10, 1956 and is headquartered in Tokyo, Japan.

Hitachi High-Tech Corp. engages in the manufacture and sale of electronics. It operates through the following segments: Science and Medical Systems, Electronic Device Systems, Industrial Systems, Advanced Industrial Products, and Others. The Science and Medical Systems segment includes electron microscopes and scientific and analytical instruments such as spectrophotometer, chromatograph, and thermal analysis. The Electronic Device Systems segment manufactures and sells semiconductor manufacturing equipment such as etching and visual inspection equipment, and CD-SEMs(Critical Dimension Scanning Electron Microscopes). The Industrial Systems segment offers wire inspection equipment for railway operation, automated assembly systems for automotive components, and Internet of Things (IoT) solutions. The Advanced Industrial Products segment deals with industrial materials, optical devices and electronic device materials. The Others segment handles businesses of indirect subsidiaries. The company was founded on April 12, 1947 and is headquartered in Tokyo, Japan.

Hitachi Automotive Systems Ltd. engages in the development, manufacture, sale and services of automotive and transportation related components, industrial machines and systems. It business divisions include powertrain and safety systems, chassis, software, and aftermarket. The company was founded on July 1, 2009 and is headquartered in Tokyo, Japan.

Part of Hitachi Ltd., Hitachi Global Digital Holdings Corp. is a private company that engages in electronic computer manufacturing. The company is based in Santa Clara, CA. The CEO of the company is Toshiaki Tokunaga.

Part of Hitachi Ltd., Hitachi Global Life Solutions, Inc. is a Japanese company that develops and sells home appliances and housing equipment. The private company is based in Tokyo, Japan. Founded in 2019.