Data utilization methods, systems, and programs using BCN (Blockchain Network)

The blockchain-based data utilization system integrates fragmented personal data, ensuring security and reliability, enabling improved healthcare and quality of life management by securely managing and utilizing personal information across services.

JP2026086594APending Publication Date: 2026-05-26中村 高歩
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
中村 高歩
Filing Date
2026-02-06
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Individuals' personal data is fragmented across different services, hindering its full utilization and posing privacy and security risks, especially in the context of healthcare where integrated medical data is crucial for effective treatment and quality of life improvements.

Method used

A data utilization system utilizing a blockchain network to securely integrate and manage personal data, ensuring confidentiality and reliability by registering and accessing data through a blockchain ledger, allowing for the creation of access tickets that enable authorized use of personal information.

Benefits of technology

Enables secure and reliable integration and utilization of personal data across different services, facilitating improved healthcare and quality of life management by ensuring data integrity and privacy, while allowing for flexible data collection and analysis.

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Abstract

This system provides a new data utilization system that allows individuals to proactively use and utilize their own personal data while also ensuring data security and confidentiality. [Solution] The personal information processing device has the following functions: a function to transmit data relating to the address on the blockchain network used by the individual to a provider-side information processing device having a storage device that is the source of data related to the individual's information via the network; a function to refer to access data (ACT) issued to the blockchain network address from the provider-side information processing device, which includes data relating to the blockchain network address and data for identifying the data provider; and a function to obtain data related to the individual's information from the provider-side storage device based on the access data (ACT) and store it in at least the individual's memory or storage device.
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