The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Apr. 01, 2024
Applicant:

Wacom Co., Ltd., Saitama, JP;

Inventors:

Joss Daniel Giffard-Burley, Frome, GB;

Avinav Khanal, Duesseldorf, DE;

Novi Rahman, Duesseldorf, DE;

Assignee:

Wacom Co., Ltd., Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/907 (2019.01); G06F 16/93 (2019.01); G06K 7/14 (2006.01); G06V 40/30 (2022.01);
U.S. Cl.
CPC ...
G06F 16/907 (2019.01); G06F 16/93 (2019.01); G06K 7/1408 (2013.01); G06V 40/30 (2022.01);
Abstract

A record including an original document and a modification to the original document is created. Metadata associated with the modification to the original document is generated. The modification in stored in a data store. Creation and registration of a decentralized identifier (DID) document for the modification is requested based on the generated metadata. Modified document metadata is generated which includes a document hash and the created DID document for the modification. Recordation of the modification in a blockchain transaction, creation and registration of a DID document for the modified document, and generation of verifiable credentials for the modification are requested. The generated verifiable credentials for the modification are stored and a quick response (QR) code for the DID document for the modification is generated. A visual representation of the modification and the QR code for the modification are added to the original document, generating a sealed document.


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