Toshiba Corporation occupies a distinctive place in Japan’s technology landscape: that of a group whose computer hardware sits alongside electrical equipment and industrial systems. Long known to the general public for its laptops and televisions, the company now primarily serves organizations that build, operate or modernize infrastructure. Its corporate website is global.toshiba.
From industrial roots to restructuring
Toshiba’s origins date back to two Japanese companies: the telegraph equipment workshop established by Hisashige Tanaka in 1875 and Hakunetsu-sha, an electric lamp manufacturer founded in 1890. Their successors, Shibaura Engineering Works and Tokyo Electric, merged in 1939 to form Tokyo Shibaura Electric. The name Toshiba, a contraction of the two names, became the group’s official name in 1978.
Over the decades, Toshiba expanded into electronics, computing, semiconductors and energy. Its recent history, however, has been marked by the accounting scandal revealed in 2015, followed by the difficulties of its US nuclear subsidiary Westinghouse. A series of divestments then reshaped the group’s business portfolio. The flash memory business, sold in 2018, subsequently took the name Kioxia. The laptop business, grouped under the Dynabook brand, came under the control of Sharp, which became its sole owner in 2020.
Components, storage and critical systems
Today’s Toshiba retains a strong hardware focus. In electronic components, its offerings include power semiconductors, discrete devices and circuits for automotive or industrial applications. These products play a role in electricity conversion, motor control and equipment energy management. The group also remains active in hard disk drives, particularly for servers and data centers.
Energy and infrastructure form another core area. Toshiba supplies equipment and services for power generation, grids, rail transport and water treatment. Its portfolio also includes SCiB rechargeable batteries, based on lithium-ion technology with a lithium titanate anode. These activities are complemented by digital solutions for monitoring facilities, using industrial data and supporting maintenance. Cybersecurity and quantum communications are also among its technological focus areas.
What next?
In December 2023, Toshiba left the Tokyo Stock Exchange following its acquisition by a consortium led by Japan Industrial Partners. This change in ownership opened a new phase of restructuring, with the challenge of aligning businesses with very different investment cycles.
Its prospects lie particularly in electrification, grid modernization and the storage needs of digital infrastructure. To turn these opportunities into sustainable growth, Toshiba will need to coordinate research, industrial capabilities and financial discipline. Its positioning depends less on consumer devices than on the components and systems underpinning essential services and production equipment.