Patents by Inventor Chang Hyeon Song

Chang Hyeon Song 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: 20240267234
    Abstract: Provided are a method and apparatus for performing authentication on a vehicle on-demand service. A method by which an integrated communication control unit performs authentication on a vehicle on-demand service, includes: storing, in a service authentication server, a first option value related to a vehicle service, received from a tool in factory (TIF) device; obtaining or generating a private root private key and a private root certificate; generating a device certificate and a device private key signed with the private root private key for each performance controller; generating a service token for the first option value by using the private root certificate and the private root private key; and transmitting the generated service token, the private root certificate, and the device private key for each performance controller.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 8, 2024
    Inventors: Chang Hyeon SONG, Sung Jun Kim, Sung Yong Lee, Dae Joon Kim
  • Patent number: 9716768
    Abstract: Provided are a cache system and a caching service providing method using a cache cloud structure. The cache system may include a plurality of cache servers, each, configured to be independently driven, and configured to be registered to a corresponding virtual layer among a plurality of virtual layers that are managed by a management server, and the management server operating on a storage device and configured to transmit information about at least one registered cache server to at least one client that is connected to the corresponding virtual layer. The at least one client is configured to generate or update a server list in response to the transmitted information, and the registered cache server and the at least one client are configured to be connected to each other based on the server list.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: July 25, 2017
    Assignee: NHN Corporation
    Inventor: Chang Hyeon Song
  • Patent number: 9552326
    Abstract: A cache system configured to provide a cache service includes a network switch and a cache device. The network switch is configured to route data associated with a plurality of servers. The cache device is disposed in association with the network switch. The cache device is configured to cache, in at least one memory available to the network switch, data published by the plurality of servers via the network switch. The cache device is also configured to transmit at least some of the cached data in response to a request received from at least one of the plurality of servers. The network switch provides the cache service via the cache device.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: January 24, 2017
    Assignee: NHN Corporation
    Inventors: Chang-Hyeon Song, Hoonmin Kim
  • Publication number: 20130254325
    Abstract: A cache system configured to provide a cache service includes a network switch and a cache device. The network switch is configured to route data associated with a plurality of servers. The cache device is disposed in association with the network switch. The cache device is configured to cache, in at least one memory available to the network switch, data published by the plurality of servers via the network switch. The cache device is also configured to transmit at least some of the cached data in response to a request received from at least one of the plurality of servers. The network switch provides the cache service via the cache device.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 26, 2013
    Applicant: NHN Corporation
    Inventors: Chang-Hyeon Song, Hoonmin Kim
  • Publication number: 20120191834
    Abstract: Provided are a cache system and a caching service providing method using a cache cloud structure. The cache system may include a plurality of cache servers, each, configured to be independently driven, and configured to be registered to a corresponding virtual layer among a plurality of virtual layers that are managed by a management server, and the management server operating on a storage device and configured to transmit information about at least one registered cache server to at least one client that is connected to the corresponding virtual layer. The at least one client is configured to generate or update a server list in response to the transmitted information, and the registered cache server and the at least one client are configured to be connected to each other based on the server list.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 26, 2012
    Applicant: NHN CORPORATION
    Inventor: Chang Hyeon Song