Patents by Inventor JINGZHAN ZHANG

JINGZHAN ZHANG 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).

  • Index structure for blockchain ledger
    Patent number: 11269863
    Abstract: An example operation may include one or more of storing an index structure that comprises an index of keys from a blockchain ledger, where the keys are stored as nodes in the index structure, receiving a blockchain request for data stored on the blockchain ledger, reading a set of keys of a non-critical query included in the blockchain request from the nodes in the index structure, and generating and storing a read set for the blockchain request which does not include values for the set of keys of the non-critical query.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: March 8, 2022
    Assignee: International Business Machines Corporation
    Inventors: Woong Ah Yoon, Alex Xingqi Casella, Bonnie Ishiguro, Jingzhan Zhang
  • INDEX STRUCTURE FOR BLOCKCHAIN LEDGER
    Publication number: 20210232568
    Abstract: An example operation may include one or more of storing an index structure that comprises an index of keys from a blockchain ledger, where the keys are stored as nodes in the index structure, receiving a blockchain request for data stored on the blockchain ledger, reading a set of keys of a non-critical query included in the blockchain request from the nodes in the index structure, and generating and storing a read set for the blockchain request which does not include values for the set of keys of the non-critical query.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 29, 2021
    Inventors: Woong Ah Yoon, Alex Xingqi Casella, Bonnie Ishiguro, JINGZHAN ZHANG