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Other Disclosures6093MITRA Group,Inc.Information and Communications, Services and Others

Shimamaki Village, Hokkaido, Introduces the AI Inheritance Support Tool “Mitsuro-kun”

Shimamaki Village, Hokkaido, will introduce AI Mitsuro-kun, an inheritance identification system provided by 株式会社サムポローニア. From December 2026, the system is scheduled to be used to investigate heirs in connection with delinquent taxes in the village.

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Announced details

“AI Inheritance Mitsuro-kun” system
Applicable field (uses covered by this announcement)

Investigations of heirs in connection with delinquent local-government taxes, confirmation of family registers, organization of family relationships, preparation of inheritance relationship charts, identification of statutory heirs, and automatic calculation of statutory inheritance shares

Launch dateDecember 2026 (予定)
Relationship between the counterparty and the company
MITRA Group,Inc.6093
Relationship with the Company

The customer adopting the system provided by 株式会社サムポローニア. 株式会社サムポローニア, a wholly owned subsidiary of MITRA Group,Inc., supports the implementation.

CounterpartyShimamaki Village, Hokkaido

A local government in Hokkaido. Location, representative, capital, year established and business description: Not disclosed.

Registration number and expiry date

Described as the only patented system in the heir identification field, but the patent number, registration date and expiration date are Not disclosed

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

Announced details
ItemDetails
Names of Products / Services Covered“AI Inheritance Mitsuro-kun” system
CounterpartyShimamaki Village, Hokkaido
Counterparty overviewA local government in Hokkaido. Location, representative, capital, year established and business description: Not disclosed.
Relationship with the CompanyThe customer adopting the system provided by 株式会社サムポローニア. 株式会社サムポローニア, a wholly owned subsidiary of MITRA Group,Inc., supports the implementation.
Launch dateDecember 2026 (予定)
Applicable areaInvestigations of heirs in connection with delinquent local-government taxes, confirmation of family registers, organization of family relationships, preparation of inheritance relationship charts, identification of statutory heirs, and automatic calculation of statutory inheritance shares
Registration number and expiry dateDescribed as the only patented system in the heir identification field, but the patent number, registration date and expiration date are Not disclosed
Items this document does not state (11)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyLocationLocation 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.

Shimamaki Village needs its limited staff to handle both daily tax administration and highly specialized heir investigations. The system supports the confirmation of family registers, organization of family relationships, calculation of statutory inheritance shares, reference to past investigation information, and handovers when personnel change, with the aim of reducing the workload and enabling investigations to continue.

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