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Title:
情報端末
Document Type and Number:
Japanese Patent JP7379564
Kind Code:
B2
Abstract:
To provide electronic receipt data which can be also used as a certificate document.SOLUTION: A receipt server comprises acquisition means and association means. The acquisition means acquires a time stamp token issued from a time stamping authority for a hash value of electronic receipt data. The association means associates the time stamp token acquired by the acquisition means with the electronic receipt data.SELECTED DRAWING: Figure 1

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Inventors:
Masanori Sanbe
Application Number:
JP2022037228A
Publication Date:
November 14, 2023
Filing Date:
March 10, 2022
Export Citation:
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Assignee:
NCR CORPORATION
International Classes:
G06Q30/06
Domestic Patent References:
JP2009151518A
JP2004507842A
JP2016015108A
JP2014164563A
JP2014194760A
JP2015230545A
JP2015014841A
Foreign References:
WO2005096240A1
US20020161721
Attorney, Agent or Firm:
Patent Attorney Corporation Suzue Patent General Office
Masatoshi Kurata
Tadashi Inoue
Takashi Mine
Naoki Kawano
Sanae Kaneko



 
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