Toshiba

東芝 / 株式会社東芝

A privately held Japanese industrial technology group that supplies power semiconductors, hard disk drives, and energy infrastructure to support the physical and electrical demands of AI data centers.

Unlisted subsidiary
Profile as of September 14, 2026
#84 in the AsiaAI Tech Index
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Toshiba has durable engineering and installed-base strengths in power electronics, grid equipment, and enterprise HDDs. However, its relevance to AI is indirect, as it supplies the components and infrastructure needed to power and store AI workloads rather than the accelerators or cloud platforms themselves. Privatization removes public-market pressure but concentrates execution risk.

Key figures

Revenue FY2025: 3.7091 trillion yen
Revenue growth FY2025: 5.6%
Operating margin FY2025: 8.1%
Net income FY2025: 316.0 billion yen
R&D spend FY2025: Not disclosed
Capital expenditure FY2025: Not disclosed
FY2024 R&D intensity FY2024: 4.4% of sales
FY2022 R&D expenses FY2022: 156.4 billion yen
2023 buyout proposal valuation 2023: 2.0 trillion yen
FY2025 operating income before provisions FY2025: 394.0 billion yen

Overview

Toshiba is a privately held Japanese industrial technology group formed through the 1939 merger of Tokyo Denki and Shibaura Seisakusho, tracing its roots to 1875. Following a 2023 privatization led by Japan Industrial Partners, the company delisted from the Tokyo Stock Exchange. It operates across energy solutions, digital infrastructure, devices and technology, and retail and printing solutions.

Its structural position rests on industrial systems, power electronics, energy equipment, and enterprise hard disk drives, supported by long-established qualification relationships in Japanese infrastructure markets.

The AI angle

Toshiba’s AI exposure is concentrated in the physical infrastructure around AI rather than in accelerators, foundation models, or hyperscale cloud. The company supplies power semiconductors, including silicon carbide MOSFETs and power modules intended for AC-DC and DC-DC power supplies, UPS systems, and energy-storage equipment used by AI data centers. In May 2026, it began shipping test samples of a 1,200-volt trench-gate SiC MOSFET for next-generation AI-data-center power supplies.

Toshiba also participates through hard disk drives, attributing recent HDD strength to growing data-center demand. The chain is indirect: AI workloads increase data-center build-outs and storage demand, which supports Toshiba’s enterprise HDD volumes. In retail technology, Toshiba Commerce and Qualcomm jointly developed TCx EDGE Cam+, an edge-computing product combining Toshiba hardware with Qualcomm processors and AI models.

Technology and moat

Toshiba’s defensible technology is concentrated in industrial systems, power electronics, energy equipment, enterprise HDDs, and quantum-security research. Its competitive advantage relies on reliability, power conversion, safety certification, installed-base service, and the integration of hardware with energy and social-infrastructure systems rather than leading-edge semiconductor process nodes.

In enterprise HDDs, barriers to entry are high because development requires multi-generation mechanics, media, heads, firmware, and large manufacturing scale. In grid and energy infrastructure, differentiators include installed infrastructure in Japan, nuclear and thermal-generation capabilities, and the ability to combine equipment with service contracts.

Five-pillar assessment

Scale and market position: A major Japanese industrial technology group with 3.7 trillion yen in FY2025 revenue, holding established positions in power electronics, grid equipment, and enterprise HDDs.
Technology and R&D: Strengths in industrial-grade power electronics, 1,200-volt SiC MOSFETs, enterprise storage hardware, and energy systems, prioritizing reliability and power conversion over advanced logic nodes.
Supply-chain centrality: Backed by a JIP-led consortium including ROHM, Orix, and Chubu Electric Power, and partners with Qualcomm for retail edge-AI systems.
Financial momentum: Reported 5.6% revenue growth and an 8.1% operating margin in FY2025, though net income was materially affected by non-operating portfolio actions like Kioxia share sales.
Governance and quality: Privately held by a JIP-led consortium, removing public-market pressure for restructuring but reducing financial transparency compared to its former listed status.

Supply chain and relationships

Toshiba depends on external semiconductor manufacturing equipment, semiconductor wafers and substrates, packaging and test capacity, passive components, and specialty materials. Its power-device competitiveness relies on access to SiC substrates and semiconductor process equipment, sectors where Wolfspeed, Coherent, Rohm, Infineon, and STMicroelectronics compete.

On the customer side, Toshiba does not publicly identify its largest customers or revenue concentration. Its HDDs and power devices enter server and data-center supply chains, while its retail edge-AI systems use Qualcomm Snapdragon processors.

Partners

QualcommProvides Snapdragon processor technology for TCx EDGE Cam+
ROHMMember of the JIP-led acquisition consortium
OrixParticipates in the JIP-led acquisition consortium
Chubu Electric PowerParticipates in the JIP-led acquisition consortium

Competitors

Seagate TechnologyInferredCompetes in enterprise and data-center hard disk drives
Western DigitalInferredCompetes in enterprise and data-center hard disk drives
Infineon TechnologiesInferredCompetes in Si, SiC, and power-semiconductor products
STMicroelectronicsInferredCompetes in SiC and industrial power semiconductors
Rohm SemiconductorInferredCompetes in SiC and power semiconductor devices
Mitsubishi ElectricInferredCompetes in power electronics, grid, and energy infrastructure
Hitachi EnergyInferredCompetes in transmission, distribution, and grid infrastructure

Geopolitics and risk

Toshiba sells devices, storage, infrastructure, and digital technologies into supply chains exposed to U.S., Japanese, and Chinese export-control rules. Tighter controls can limit sales, sourcing, customer qualification, and technology transfer.

Chinese industrial, storage, power-electronics, and infrastructure markets matter to global suppliers, while local Chinese competitors are expanding in power devices, batteries, storage, and industrial systems. Toshiba also reported that U.S. tariffs and customers’ postponed investments affected its Retail & Printing Solutions segment in FY2025, demonstrating direct sensitivity to trade-policy changes.

Risk matrix
Risk	Severity	Why it matters
U.S.-China technology controls	High	Tighter controls can limit sales, sourcing, customer qualification, and technology transfer.
China demand and regional competition	High	Local Chinese competitors are expanding in power devices, batteries, storage, and industrial systems.
Portfolio and restructuring risk	High	Privatization concentrates execution risk in a complex conglomerate that continues to sell investments and restructure.
AI-data-center exposure remains indirect	Medium	Toshiba benefits from data-center storage and power demand, but its AI linkage can lag the growth of AI-compute spending.
SiC supply-chain dependence	Medium	Constraints in SiC substrates or manufacturing tools can delay data-center power-device ramp-up.
Enterprise HDD cyclicality	Medium	Pricing, inventory correction, and competition from Seagate and Western Digital create volatility.
Energy and infrastructure project risk	Medium	Large utility and infrastructure projects involve long lead times, regulatory approvals, and fixed-price contract risk.
U.S. tariff and trade-policy exposure	Medium	U.S. tariffs and customers' postponed investments have directly affected Retail & Printing Solutions.

Governance and ownership

Toshiba is privately owned following a 2023 acquisition by a consortium led by Japan Industrial Partners. TBJH Inc. owns 100% of Toshiba, and TBJH is wholly owned by TBJ Holding, which is 75% held by a JIP-managed partnership. The ownership consortium includes Japanese industrial and financial participants such as ROHM, Orix, and Chubu Electric Power.

Privatization allows multi-year restructuring without quarterly public-market pressure but reduces the frequency and breadth of public financial disclosure.

What to watch

Whether Toshiba converts its 1,200-volt SiC MOSFET sampling program into qualified mass-production orders for AI-data-center power supplies during FY2026.
Whether data-center HDD demand remains a source of sales and operating-profit growth through FY2026.
Whether Toshiba sustains or exceeds its FY2025 operating margin of 8.1% while investing in power devices and grid equipment.
Whether non-recurring gains from Kioxia and other investment sales remain a material contributor to cash flow.
Whether U.S. tariff effects and deferred customer investment continue to weaken Retail & Printing Solutions.
Whether the JIP-led ownership group publishes a clearer capital-allocation plan.

Recent developments

May 21, 2026Toshiba Electronic Devices & Storage begins shipping test samples of a 1,200-volt trench-gate SiC MOSFET designed for power supply systems in next-generation AI data centers.
May 15, 2026Toshiba reports FY2025 full-year revenue of 3.7091 trillion yen, operating income of 300.8 billion yen, and return on sales of 8.1%.
February 13, 2026Toshiba reports FY2025 third-quarter results; data-center HDD demand, semiconductor manufacturing equipment, energy, defense, railways, and elevators contribute to performance.
May 15, 2025Toshiba reports FY2024 results, including net sales of 3.5139 trillion yen, operating income of 198.5 billion yen, and net income of 198.5 billion yen.

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Guides that cover Toshiba

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About this profile

Compiled with AI-assisted research from company filings, market data, and published reporting as of September 14, 2026, then reviewed by AsiaAI.FYI. Figures marked Estimate are not company-reported. Check primary filings before relying on any number.

Confidence: B. Audited and company-reported historical data support the financial series, but current ownership, full-year segment detail, FY2025 capex, and FY2025 absolute R&D disclosure are incomplete after privatization.

Main sources: Toshiba FY2025 consolidated results releases; Toshiba integrated-report and ESG disclosures; Toshiba executive and corporate-profile pages; Toshiba semiconductor product announcements; Toshiba tender-offer disclosures.

All 52 sources

Position in the AI stack

Supplies power semiconductors, enterprise hard disk drives, and energy infrastructure that support the electricity and storage requirements of AI data centers.

Legal name: Toshiba Corporation
Formerly: Tokyo Shibaura Electric Co., Ltd. / 東京芝浦電気株式会社
Headquarters: Kawasaki, Japan
Founded: 1875
Founders: Hisashige Tanaka
Ichisuke Fujioka
Leadership: Taro Shimada, Representative Director, Corporate Officer, President and Chief Executive Officer
Hidemi Moue, Chairperson of the Board of Directors
Ownership: Unlisted subsidiary; part of TBJH Inc.
Business: Industrial technology, power electronics, and energy infrastructure
Sector: Batteries & Energy
Electronic Components
Industrial Automation & Robotics
Website: global.toshiba