Patents by Inventor Nohyun Kwak

Nohyun Kwak 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).

  • Publication number: 20220360445
    Abstract: Disclosed are an extension cryptographic operation processing system and method. An extension cryptographic operation processing method of a processing device including a trusted execution environment can be performed by at least one processor constituting the trusted execution environment of the processing device.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 10, 2022
    Applicant: TEEware Co., Ltd.
    Inventors: Nohyun KWAK, Yunjong JEONG
  • Patent number: 11405198
    Abstract: A transaction signature method performed in a system for storing and managing keys, which is implemented as a computer, may include the steps of configuring a cluster based on a node and generating a private key according to a BIP-32 protocol from an internal key of the cluster among a plurality of managed keys in a trusted execution environment (TEE) of the node within the configured cluster and signing transactions.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 2, 2022
    Assignee: TEEWARE CO., LTD.
    Inventors: Nohyun Kwak, Yunjong Jeong
  • Publication number: 20210176049
    Abstract: Disclosed is a key management technology based on a trusted execution environment (TEE). A method of managing a key by a cryptographic operation apparatus incorporating a trusted execution environment may include receiving a required encryption key from a shared storage apparatus in response to a request from an application, wherein the encryption key is encrypted by a key encryption key (KEK) held within a key encryption apparatus, and the encrypted encryption key is stored in a shared storage apparatus with the shared storage apparatus making available the encryption key to multiple cryptographic operation apparatuses; decrypting the encryption key encrypted by the key encryption key (KEK) through the key encryption apparatus; and processing the request from the application using the decrypted encryption key.
    Type: Application
    Filed: December 4, 2020
    Publication date: June 10, 2021
    Inventors: Nohyun Kwak, Yunjong Jeong
  • Publication number: 20210173950
    Abstract: Disclosed is a method of sharing data among multiple processing devices incorporating a trusted execution environment. The method may include receiving a data encryption key (DEK) from a management software communicating with multiple processing devices; encrypting the received DEK using a sealing key accessible within the trusted execution environment; storing the encrypted DEK within the storage of the processing device; decrypting, using the sealing key, the stored DEK in response to a data sharing request; encrypting the data to be protected and shared using the decrypted DEK; and storing the encrypted data in a shared storage apparatus.
    Type: Application
    Filed: December 4, 2020
    Publication date: June 10, 2021
    Inventors: Nohyun Kwak, Yunjong Jeong
  • Publication number: 20200259646
    Abstract: A transaction signature method performed in a system for storing and managing keys, which is implemented as a computer, may include the steps of configuring a cluster based on a node and generating a private key according to a BIP-32 protocol from an internal key of the cluster among a plurality of managed keys in a trusted execution environment (TEE) of the node within the configured cluster and signing transactions.
    Type: Application
    Filed: November 27, 2019
    Publication date: August 13, 2020
    Inventor: Nohyun KWAK
  • Patent number: 10296566
    Abstract: Disclosed are an apparatus and a method for outputting web content. The apparatus and method can prevent rendering performance from being degraded in some operating systems when web content (web document) is output through a web browser.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: May 21, 2019
    Assignee: SK PLANET CO., LTD.
    Inventors: Nohyun Kwak, SangSeok Lim
  • Publication number: 20180011822
    Abstract: Disclosed are an apparatus and a method for outputting web content. The apparatus and method can prevent rendering performance from being degraded in some operating systems when web content (web document) is output through a web browser.
    Type: Application
    Filed: January 4, 2016
    Publication date: January 11, 2018
    Inventors: Nohyun KWAK, SangSeok LIM
  • Patent number: 8808904
    Abstract: A secondary battery with a protective circuit module including a rechargeable bare cell having a first electrode and a second electrode and a protective circuit module having a protective circuit for the rechargeable bare cell. A conductive bonding layer is located on the protective circuit module and a secondary protective element assembly is attached to the protective circuit module by the conductive bonding layer. A first lead plate electrically connects the secondary protective element assembly to the first electrode, and a second lead plate electrically connects the protective circuit module to the second electrode.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngcheol Jang, Nohyun Kwak, Sangjoo Lee
  • Publication number: 20130344353
    Abstract: A secondary battery with a protective circuit module including a rechargeable bare cell having a first electrode and a second electrode and a protective circuit module having a protective circuit for the rechargeable bare cell. A conductive bonding layer is located on the protective circuit module and a secondary protective element assembly is attached to the protective circuit module by the conductive bonding layer. A first lead plate electrically connects the secondary protective element assembly to the first electrode, and a second lead plate electrically connects the protective circuit module to the second electrode.
    Type: Application
    Filed: August 20, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Youngcheol Jang, Nohyun Kwak, Sangjoo Lee
  • Patent number: 8574751
    Abstract: A secondary battery with a protective circuit module including a rechargeable bare cell having a first electrode and a second electrode and a protective circuit board having a protective circuit for the rechargeable bare cell. A conductive bonding layer is located on the protective circuit board and a secondary protective element assembly is attached to the protective circuit board by the conductive bonding layer. A first lead plate electrically connects the secondary protective element assembly to the first electrode, and a second lead plate electrically connects the protective circuit board to the second electrode.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: November 5, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngcheol Jang, Nohyun Kwak, Sangjoo Lee
  • Publication number: 20120311419
    Abstract: The present invention relates to a system, a server, a terminal and method for displaying cached webpages and to a computer-readable recoding medium on which the method is recorded. The system comprises a Web service server which stores at least one webpage; a caching server which collects links to webpages that match preset conditions in the webpage(s) for creating a caching page list that comprises at least one of the links to the collected webpages, and a terminal which refers to the link(s) to webpage(s) in the caching page list to cache the webpage(s), and simultaneously display the input link and the link to the cached webpage in response to a user call up of a specific webpage and wherein the terminal which receives the caching page list, displays the link(s) to webpage(s) in the caching page list so received, and provides a display such that webpages cached in links of the webpages are displayed are separate from non-cached webpages.
    Type: Application
    Filed: April 19, 2011
    Publication date: December 6, 2012
    Applicant: SK PLANET CO., LTD.
    Inventors: Nohyun Kwak, Soonho Lee
  • Publication number: 20080118820
    Abstract: A secondary battery with a protective circuit module including a rechargeable bare cell having a first electrode and a second electrode and a protective circuit board having a protective circuit for the rechargeable bare cell. A conductive bonding layer is located on the protective circuit board and a secondary protective element assembly is attached to the protective circuit board by the conductive bonding layer. A first lead plate electrically connects the secondary protective element assembly to the first electrode, and a second lead plate electrically connects the protective circuit board to the second electrode.
    Type: Application
    Filed: November 15, 2007
    Publication date: May 22, 2008
    Inventors: Youngcheol Jang, Nohyun Kwak, Sangjoo Lee