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

[First in Japan] Work time cut by 83%! Patented technology enables “true inheritance DX” with the “AI Inheritance Mitsuro-kun” system, whose full-scale rollout has been decided for Koriyama City, Fukushima Prefecture

サムポローニア has completed its demonstration of the “AI Inheritance Mitsuro-kun” system with Koriyama City, and the city has decided to formally introduce it for fixed asset tax operations and other activities from fiscal 2026. The time required to prepare inheritance relationship diagrams was reduced from an average of 60 minutes to 10 minutes.

Worth reading
67In 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
83
Work time reduction rate (approximately 83%)
Wording
Definitive
How definitive the wording is.

Announced details

“AI Inheritance Mitsuro-kun” system
Applicable field (uses covered by this announcement)
Fixed asset tax assessment operations of local governmentsIdentification of heirsPreparation of inheritance relationship diagramsDetermination of statutory heirsCalculation of ownership interests
Launch dateFormal rollout from fiscal 2026 (planned; decision made)
What the company reported numerically
Quantitative Effects

Work time reduced by approximately 83%

Reduced from an average of 60 minutes to 10 minutes per case

50 minutes saved per case

Usage history

The demonstration project has been completed in Koriyama City. The system is also stated to have been incorporated into Fujitsu Limited’s inheritance support service for financial institutions, “FinSnaviCloud,” and adopted for inheritance BPO operations by other business companies.

Relationship between the counterparty and the company
MITRA Group,Inc.6093
Relationship with the Company

サムポローニア and Koriyama City entered into a cooperation agreement and jointly conducted a demonstration project for an heir identification system used in fixed asset tax assessment operations. Koriyama City is the municipality that will formally introduce the system.

CounterpartyKoriyama City

Koriyama City, Fukushima Prefecture. The city’s Asset Tax Division in the Taxation Department is listed as the contact for inquiries about the demonstration project.

Registration number and expiry date

The application of patented technology is noted, 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
CounterpartyKoriyama City
Counterparty overviewKoriyama City, Fukushima Prefecture. The city’s Asset Tax Division in the Taxation Department is listed as the contact for inquiries about the demonstration project.
Relationship with the Companyサムポローニア and Koriyama City entered into a cooperation agreement and jointly conducted a demonstration project for an heir identification system used in fixed asset tax assessment operations. Koriyama City is the municipality that will formally introduce the system.
Launch dateFormal rollout from fiscal 2026 (planned; decision made)
Applicable areaFixed asset tax assessment operations of local governments, Identification of heirs, Preparation of inheritance relationship diagrams, Determination of statutory heirs, Calculation of ownership interests
Registration number and expiry dateThe application of patented technology is noted, but the patent number, registration date and expiration date are not disclosed
Quantitative EffectsWork time reduced by approximately 83%, Reduced from an average of 60 minutes to 10 minutes per case, 50 minutes saved per case
Usage historyThe demonstration project has been completed in Koriyama City. The system is also stated to have been incorporated into Fujitsu Limited’s inheritance support service for financial institutions, “FinSnaviCloud,” and adopted for inheritance BPO operations by other business companies.
Items this document does not state (9)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyLocationLocation scaleImpact 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.

The demonstration project confirmed the system’s effectiveness in reducing the time required to prepare inheritance relationship diagrams, leveling workloads, eliminating reliance on individual staff members, and improving accuracy.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
[First in Japan] Work time cut by 83%! Patented technology enables “true inheritance DX” with the “AI Inheritance Mitsuro-kun” system, whose full-scale rollout has been decided for Koriyama City, Fukushima Prefecture | MITRA Group,Inc. (6093) timely disclosure | Komori