Patents by Inventor Christopher M. Crane

Christopher M. Crane has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Chain-of-custody of digital content in a database system
    Patent number: 11455380
    Abstract: An example operation may include one or more of authorizing a blockchain for a video file, generating a first tracking value for an entry block referencing the video file, the first tracking value generated based on first data and the video file, receiving second data for each of additional blocks in the blockchain, generating second tracking values based on the second data of the additional blocks, forming the additional blocks including the second tracking values, respectively, appending the additional blocks to the entry block, the entry block and the additional blocks cryptographically linked in an ordered sequence, each of the additional blocks referencing a version of the video file which corresponds to an original version of the video file as referenced by the entry block or a processed version of the video file, the second data in each of the additional blocks indicative of processing performed on the version of the video file in that block, and tracing through the blockchain based on the first and se
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 27, 2022
    Assignee: International Business Machines Corporation
    Inventors: Sumit Patel, Leigh Williamson, Howard N. Anglin, Christopher M. Crane
  • CHAIN-OF-CUSTODY OF DIGITAL CONTENT IN A DATABASE SYSTEM
    Publication number: 20200159891
    Abstract: An example operation may include one or more of authorizing a blockchain for a video file, generating a first tracking value for an entry block referencing the video file, the first tracking value generated based on first data and the video file, receiving second data for each of additional blocks in the blockchain, generating second tracking values based on the second data of the additional blocks, forming the additional blocks including the second tracking values, respectively, appending the additional blocks to the entry block, the entry block and the additional blocks cryptographically linked in an ordered sequence, each of the additional blocks referencing a version of the video file which corresponds to an original version of the video file as referenced by the entry block or a processed version of the video file, the second data in each of the additional blocks indicative of processing performed on the version of the video file in that block, and tracing through the blockchain based on the first and se
    Type: Application
    Filed: November 20, 2018
    Publication date: May 21, 2020
    Inventors: Sumit Patel, Leigh Williamson, Howard N. Anglin, Christopher M. Crane