Patents by Inventor Yao-Tai Tseng

Yao-Tai Tseng 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).

  • Voucher verification auxiliary device, voucher verification auxiliary system, and voucher verification auxiliary method
    Patent number: 11631062
    Abstract: A voucher verification auxiliary method is provided, including: when a user device is approaching a voucher verification auxiliary device, generating an encryption key for the user device to encrypt voucher data with the encryption key to generate first encrypted data; reading and decrypting the first encrypted data to obtain the voucher data; encrypting the voucher data to generate and transmit second encrypted data to a verification center; decrypting the second encrypted data to obtain the voucher data, generating a verification result after verifying the voucher data, encrypting the verification result to become third encrypted data, and transmitting the third encrypted data back to the voucher verification auxiliary device; decrypting the third encrypted data to obtain the verification result; transmitting the verification result to a voucher receiving terminal. A voucher verification auxiliary device and a voucher verification auxiliary system are also provided.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: April 18, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Yuan Chen, Kun-Hsien Lin, Yi-Chang Wang, Yao-Tai Tseng
  • VOUCHER VERIFICATION AUXILIARY DEVICE, VOUCHER VERIFICATION AUXILIARY SYSTEM, AND VOUCHER VERIFICATION AUXILIARY METHOD
    Publication number: 20200090139
    Abstract: A voucher verification auxiliary method is provided, including: when a user device is approaching a voucher verification auxiliary device, generating an encryption key for the user device to encrypt voucher data with the encryption key to generate first encrypted data; reading and decrypting the first encrypted data to obtain the voucher data; encrypting the voucher data to generate and transmit second encrypted data to a verification center; decrypting the second encrypted data to obtain the voucher data, generating a verification result after verifying the voucher data, encrypting the verification result to become third encrypted data, and transmitting the third encrypted data back to the voucher verification auxiliary device; decrypting the third encrypted data to obtain the verification result; transmitting the verification result to a voucher receiving terminal. A voucher verification auxiliary device and a voucher verification auxiliary system are also provided.
    Type: Application
    Filed: January 9, 2019
    Publication date: March 19, 2020
    Inventors: Yi-Yuan Chen, Kun-Hsien Lin, Yi-Chang Wang, Yao-Tai Tseng