Patents by Inventor Michael BISWAS

Michael BISWAS 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).

  • System and method for cryptographic-chain-based verification of postage transaction records
    Patent number: 12597021
    Abstract: In certain embodiments, cryptographic-chain-based verification of postage transaction records may be facilitated. In some embodiments, a customer computer system may obtain a customer private key associated with a customer from a secure local storage at the customer computer system. The customer computer system may obtain (i) a first vendor digital signature derived from a first postage transaction record and (ii) a second postage transaction record. The customer computer system may create a customer digital signature based on (i) the customer private key, (ii) the first vendor digital signature, and (iii) the second postage transaction record.
    Type: Grant
    Filed: April 22, 2024
    Date of Patent: April 7, 2026
    Assignee: Auctane, Inc.
    Inventors: Yang Lu, Michael Biswas
  • SYSTEM AND METHOD FOR CRYPTOGRAPHIC-CHAIN-BASED VERIFICATION OF POSTAGE TRANSACTION RECORDS
    Publication number: 20250307802
    Abstract: In certain embodiments, cryptographic-chain-based verification of postage transaction records may be facilitated. In some embodiments, a customer computer system may obtain a customer private key associated with a customer from a secure local storage at the customer computer system. The customer computer system may obtain (i) a first vendor digital signature derived from a first postage transaction record and (ii) a second postage transaction record. The customer computer system may create a customer digital signature based on (i) the customer private key, (ii) the first vendor digital signature, and (iii) the second postage transaction record.
    Type: Application
    Filed: April 22, 2024
    Publication date: October 2, 2025
    Inventors: Yang Lu, Michael Biswas
  • System and method for cryptographic-chain-based verification of postage transaction records
    Patent number: 11966912
    Abstract: In certain embodiments, cryptographic-chain-based verification of postage transaction records may be facilitated. In some embodiments, a customer computer system may obtain a customer private key associated with a customer from a secure local storage at the customer computer system. The customer computer system may obtain (i) a first vendor digital signature derived from a first postage transaction record and (ii) a second postage transaction record. The customer computer system may create a customer digital signature based on (i) the customer private key, (ii) the first vendor digital signature, and (iii) the second postage transaction record.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 23, 2024
    Assignee: AUCTANE, INC.
    Inventors: Yang Lu, Michael Biswas
  • SYSTEM AND METHOD FOR CRYPTOGRAPHIC-CHAIN-BASED VERIFICATION OF POSTAGE TRANSACTION RECORDS
    Publication number: 20180374087
    Abstract: In certain embodiments, cryptographic-chain-based verification of postage transaction records may be facilitated. In some embodiments, a customer computer system may obtain a customer private key associated with a customer from a secure local storage at the customer computer system. The customer computer system may obtain (i) a first vendor digital signature derived from a first postage transaction record and (ii) a second postage transaction record. The customer computer system may create a customer digital signature based on (i) the customer private key, (ii) the first vendor digital signature, and (iii) the second postage transaction record.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 27, 2018
    Inventors: Yang LU, Michael BISWAS