Invention Grant
- Patent Title: Image forming apparatus, control method, and storage medium, cooperating with blockchain service to verify a printed product
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Application No.: US17546759Application Date: 2021-12-09
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Publication No.: US11595543B2Publication Date: 2023-02-28
- Inventor: Myoshi Toda
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JPJP2020-206317 20201211
- Main IPC: H04N1/32
- IPC: H04N1/32 ; G06F3/12
Abstract:
An image forming apparatus generates embedded information for uniquely identifying a page, for each page of a document, prints the document while embedding the embedded information into the document, and registers a set of pieces of the embedded information in a blockchain service. The image forming apparatus thereby verifies whether the printed product is a correct printed product.
Public/Granted literature
- US20220191344A1 IMAGE FORMING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM Public/Granted day:2022-06-16
Information query
