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Other Disclosures6817SUMIDA CORPORATIONElectrical Equipment and Precision Instruments

Notice Regarding the Joint Development of Next-Generation Power Conversion Systems with Infineon Technologies AG

SUMIDA CORPORATION and Infineon Technologies AG announced that they are jointly developing a medium-frequency transformer for solid-state transformers (SSTs). As a result of the joint development, SUMIDA's medium-frequency transformer, "Granite," was showcased at an exhibition.

Worth reading
56In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
3.3
kV (maximum voltage of CoolSiC™ devices)
Wording
Conditional
How definitive the wording is.

Announced details

Solid-State Transformer(SST)Medium-frequency transformer (MFT) for SSTsMedium-frequency transformer "Granite"CoolSiC™ devices
Applicable field (uses covered by this announcement)
AI Data CenterUltra-fast charging infrastructureModernization of transmission and distribution gridsPower Electronics
Relationship between the counterparty and the company
SUMIDA CORPORATION6817
Relationship with the Company

Joint development of next-generation medium-frequency transformers. Infineon is responsible for power semiconductor technology, while SUMIDA is responsible for high-performance magnetic component technology.

CounterpartyInfineon Technologies AG

Headquartered in Munich, Germany. A global company providing semiconductor solutions for the automotive, industrial and infrastructure, and consumer, computing and communications sectors. Contributing to the advancement of decarbonization and digitalization.

Location (as indicated in this announcement)

Nuremberg, Germany (venue for PCIM Europe 2026)

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Announced details
ItemDetails
Names of Products / Services CoveredSolid-State Transformer(SST), Medium-frequency transformer (MFT) for SSTs, Medium-frequency transformer "Granite", CoolSiC™ devices
CounterpartyInfineon Technologies AG
Counterparty overviewHeadquartered in Munich, Germany. A global company providing semiconductor solutions for the automotive, industrial and infrastructure, and consumer, computing and communications sectors. Contributing to the advancement of decarbonization and digitalization.
Relationship with the CompanyJoint development of next-generation medium-frequency transformers. Infineon is responsible for power semiconductor technology, while SUMIDA is responsible for high-performance magnetic component technology.
Applicable areaAI Data Center, Ultra-fast charging infrastructure, Modernization of transmission and distribution grids, Power Electronics
LocationNuremberg, Germany (venue for PCIM Europe 2026)
Items this document does not state (12)
Contract ValueOffering priceContract DateLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage historyImpact on Business PerformanceSource

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To combine Infineon's power semiconductor technology with SUMIDA's high-performance magnetic component technology and address demand associated with AI data centers, ultra-fast charging infrastructure, and the modernization of transmission and distribution grids.

How to read this page

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Notice Regarding the Joint Development of Next-Generation Power Conversion Systems with Infineon Technologies AG | SUMIDA CORPORATION (6817) timely disclosure | Komori