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Other Disclosures3915TerraSky Co.,LtdInformation and Communications, Services and Others

Quemix and Mitsui Kinzoku Company,Limited Develop New Technology for Materials Calculations on Quantum Computers

Quemix, a consolidated subsidiary of テラスカイ, and Mitsui Kinzoku Company,Limited jointly developed QAVG, a new technology for performing materials calculations on quantum computers. They conducted simulations assuming catalyst materials on a physical quantum computer and confirmed that the technology is effective in accelerating and improving the accuracy of DMFT calculations.

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Improvement
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Wording
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Announced details

QAVG(QPE Averaged over Variable Grids)Dynamical mean-field theory (DMFT) calculations
Applicable field (uses covered by this announcement)

Materials development, materials simulation, catalyst materials, quantum chemistry calculations, and DMFT calculations

What the company reported numerically
Quantitative Effects

Achieved on current machines the calculation accuracy ordinarily expected to be reached in approximately 2 years through advances in hardware

Relationship between the counterparty and the company
TerraSky Co.,Ltd3915
Relationship with the Company

Quemix and Mitsui Kinzoku Company,Limited are conducting joint research. Quemix is a consolidated subsidiary of テラスカイ. The relationship with Quantinuum involves the use of its physical quantum computer.

CounterpartyMitsui Kinzoku Company,LimitedQuantinuum

Mitsui Kinzoku Company,Limited is headed by Ikenobu Seiji (池信省爾). Quantinuum is listed as the provider of quantum computers; its location, representative, business activities and other details are not disclosed.

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

Source (materials cited by the company)

Q2B 2026 Tokyo (official event website)

Announced details
ItemDetails
Names of Products / Services CoveredQAVG(QPE Averaged over Variable Grids), Dynamical mean-field theory (DMFT) calculations
CounterpartyMitsui Kinzoku Company,Limited, Quantinuum
Counterparty overviewMitsui Kinzoku Company,Limited is headed by Ikenobu Seiji (池信省爾). Quantinuum is listed as the provider of quantum computers; its location, representative, business activities and other details are not disclosed.
Relationship with the CompanyQuemix and Mitsui Kinzoku Company,Limited are conducting joint research. Quemix is a consolidated subsidiary of テラスカイ. The relationship with Quantinuum involves the use of its physical quantum computer.
Applicable areaMaterials development, materials simulation, catalyst materials, quantum chemistry calculations, and DMFT calculations
Quantitative EffectsAchieved on current machines the calculation accuracy ordinarily expected to be reached in approximately 2 years through advances in hardware
SourceQ2B 2026 Tokyo (official event website)
Items this document does not state (11)
Contract ValueOffering priceContract DateLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleUsage historyImpact on Business Performance

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 address the time and cost of trial and error in materials development, as well as the calculation time and cost challenges associated with conventional DMFT methods and QPE, and to accelerate the practical application of materials simulations using quantum computers.

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Quemix and Mitsui Kinzoku Company,Limited Develop New Technology for Materials Calculations on Quantum Computers | TerraSky Co.,Ltd (3915) timely disclosure | Komori