Title:
INFORMATION MANAGEMENT METHOD AND INFORMATION MANAGEMENT PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/137834
Kind Code:
A1
Abstract:
A supplier terminal (10) is used for a supply chain management system (100) in which secret data (SD) of a plurality of transactors (TR) constituting a supply chain (SC) is managed by a block chain (BC). A specific terminal (10s) associated with a specific transactor (TRs) transmits a request for provision of undisclosed information (NDi) which is not secret, to a reception terminal (10a) of a direct transactor (TRd) having a transaction relationship with the specific transactor (TRs). When the undisclosed information (NDi) is not stored, the reception terminal (10a) that has received the provision request transfers the provision request to a reception terminal (10a) of another transactor (TR). On the other hand, when the undisclosed information (NDi) is stored, the reception terminal (10a) returns the undisclosed information (NDi) to the specific terminal (10s) through a return route for tracing the transmission route of the provision request in a reverse direction.
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Inventors:
OKABE TATSUYA (JP)
Application Number:
PCT/JP2021/040803
Publication Date:
June 30, 2022
Filing Date:
November 05, 2021
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G06Q30/02; G06Q30/06; G16Y20/20; G16Y40/10
Foreign References:
| JP2007011817A | 2007-01-18 | |||
| JP2020119207A | 2020-08-06 | |||
| JP2020021134A | 2020-02-06 | |||
| JP2020532213A | 2020-11-05 |
Other References:
See also references of EP 4270290A4
Attorney, Agent or Firm:
YAHAGI Kazuyuki et al. (JP)
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