Patents by Inventor Yi Fang Shi

Yi Fang Shi 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).

  • Patent number: 11494270
    Abstract: A data backup method includes querying a first block of a first blockchain for unused transaction output information based on a first condition being met, the first block including each block of all blocks included in the first blockchain; generating transaction information according to the unused transaction output information obtained based on the querying, the transaction information indicating a transaction operation based on an account address to which the unused transaction output information belongs; recording the transaction information in a second block and releasing the second block, and recording the second block on which a consensus is reached on a second blockchain; and backing up the first blockchain into a storage system, and deleting the first blockchain. Counterpart apparatus, terminal, server, and/or non-transitory computer-readable medium are also contemplated.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: November 8, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
    Inventors: Rui Guo, Mao Cai Li, Zong You Wang, Hai Tao Tu, Li Kong, Kai Ban Zhou, Chang Qing Yang, Nan Wang, Yong Ding, Yi Fang Shi
  • Publication number: 20210288819
    Abstract: An identity certificate may be issued to a blockchain node. The issuance may include issuing a first identity certificate to a first terminal and receiving a second identity certificate issuance request that is from the first terminal. A second identity certificate may be issued to the first terminal, and a third identity certificate issuance request is received from the second terminal. A third identity certificate is issued to the second terminal, so that the second terminal forwards the third identity certificate to the third terminal.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Mao Cai LI, Zong You WANG, Kai Ban ZHOU, Chang Qing YANG, Hu LAN, Li KONG, Jin Song ZHANG, Yi Fang SHI, Geng Liang ZHU, Qu Cheng LIU, Qiu Ping CHEN
  • Publication number: 20210203509
    Abstract: A blockchain network includes a service sub-network, a consensus sub-network, and a routing layer configured to isolate the service sub-network from the consensus sub-network. A data processing method in the blockchain network includes: receiving a data processing request transmitted by a service node in the service sub-network; performing identity verification on the service node according to the data processing request; obtaining a running load of each consensus node in the consensus sub-network when the verification succeeds; determining, from the consensus sub-network according to the running load, a target consensus node configured to process the data processing request; and forwarding the data processing request to the target consensus node, and performing corresponding data processing on the data processing request by using the target consensus node.
    Type: Application
    Filed: March 10, 2021
    Publication date: July 1, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Mao Cai LI, Geng Liang ZHU, Zong You WANG, Li KONG, Hu LAN, Kai Ban ZHOU, Chang Qing YANG, Yi Fang SHI, Qui Ping CHEN, Qu Cheng LIU, Jin Song ZHANG, Pan LIU
  • Publication number: 20210144017
    Abstract: A method for replacing an identity certificate in a blockchain network includes a service subnet, a consensus subnet, and a routing layer used for isolating the service subnet from the consensus subnet. The method includes: receiving a root certificate replacement notification transmitted by a certificate authentication center; obtaining a public key corresponding to the certificate authentication center; verifying the root certificate replacement notification by using the obtained public key; forwarding the root certificate replacement notification to a consensus node in the consensus subnet after the validation succeeds, so that the consensus node records the root certificate replacement notification into a latest data block after a consensus on the root certificate replacement notification is reached; and requesting, when the data block is received, the certificate authentication center to replace an identity certificate.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: Tencent Technology (Shenzhen) Company Limited
    Inventors: Mao Cai LI, Geng Liang ZHU, Hu LAN, Zong You WANG, Li KONG, Kai Ban ZHOU, Chang Qing YANG, Qiu Ping CHEN, Qu Cheng LIU, Yi Fang SHI, Jin Song ZHANG, Pan LIU
  • Publication number: 20210026740
    Abstract: A data backup method includes querying a first block of a first blockchain for unused transaction output information based on a first condition being met, the first block including each block of all blocks included in the first blockchain; generating transaction information according to the unused transaction output information obtained based on the querying, the transaction information indicating a transaction operation based on an account address to which the unused transaction output information belongs; recording the transaction information in a second block and releasing the second block, and recording the second block on which a consensus is reached on a second blockchain; and backing up the first blockchain into a storage system, and deleting the first blockchain. Counterpart apparatus, terminal, server, and/or non-transitory computer-readable medium are also contemplated.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
    Inventors: Rui Guo, Mao Cai Li, Zong You Wang, Hai Tao Tu, Li Kong, Kai Ban Zhou, Chang Qing Yang, Nan Wang, Yong Ding, Yi Fang Shi
  • Publication number: 20130253101
    Abstract: A binder mixture is described comprising: an aqueous copolymer dispersion which has a glass transition temperature, Tg, of less than 10° C. and which is prepared by emulsion polymerization of a monomer mixture comprising: (i) at least 60% by weight, based on the total amount of monomers, of at least one vinyl ester; (ii) from 15 to 30% by weight, based on the total amount of monomers, of ethylene; (iii) from 0.05 to 5% by weight, based on the total amount of monomers, of an ethylenically unsaturated carboxylic acid having at least 4 carbon atoms; and (iv) from 0.05 to 5% by weight, based on the total amount of monomers, of an ethylenically unsaturated sulfonic acid or salt thereof.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 26, 2013
    Applicant: CELANESE EMULSIONS GMBH
    Inventors: Kerstin GOHR, Jinjie Du, Yuan Ren, Yi Fang Shi