Patents by Inventor Yang-Jung KIM

Yang-Jung KIM 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: 11629204
    Abstract: Provided is a method for preparing a chlorinated polyvinyl chloride resin, and more particularly, a method for preparing a chlorinated polyvinyl chloride resin including a neutralization process for neutralizing to pH of 2 to 5 using metal hydroxide as a first neutralizing agent a), and completing neutralization using a carbonate-based compound as a second neutralizing agent b), wherein residual hydrochloric acid in pores of the chlorinated polyvinyl chloride resin obtained by chlorination of a polyvinyl chloride or a vinyl chloride-based copolymer may be efficiently removed, and thermal stability and extrusion appearance of processed articles may be improved.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: April 18, 2023
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Yang Jung Kim, Ki Won Hong, Woo Young Lee, Seon Jeong Jin
  • Publication number: 20210380731
    Abstract: Provided is a method for preparing a chlorinated polyvinyl chloride resin, and more particularly, a method for preparing a chlorinated polyvinyl chloride resin including a neutralization process for neutralizing to pH of 2 to 5 using metal hydroxide as a first neutralizing agent a), and completing neutralization using a carbonate-based compound as a second neutralizing agent b), wherein residual hydrochloric acid in pores of the chlorinated polyvinyl chloride resin obtained by chlorination of a polyvinyl chloride or a vinyl chloride-based copolymer may be efficiently removed, and thermal stability and extrusion appearance of processed articles may be improved.
    Type: Application
    Filed: October 24, 2018
    Publication date: December 9, 2021
    Inventors: Yang Jung KIM, Ki Won HONG, Woo Young LEE, Seon Jeong JIN
  • Publication number: 20140280736
    Abstract: Disclosed are a method for providing a virtual home network and a device and a system therefor, and a computer readable recording medium. The present invention provides a home network device comprising: a user unit which receives a service request signal by a user's command or operation, and delivers the service request signal; a checking unit which checks user information and community service group information on the basis of said user request signal; and a processing unit which converts contents included in said service request signal according to a corresponding device and delivers the converted contents, if said user information and said community service group information have been checked.
    Type: Application
    Filed: November 9, 2012
    Publication date: September 18, 2014
    Applicants: Electronics and Telecommunications Research Institute, Hankuk University OF Foreigh Studies Research and Foundation
    Inventors: Dae-Geun Park, Il-Young Chong, Yang-Jung Kim
  • Publication number: 20140122596
    Abstract: An apparatus and method for providing an N-screen service based on cloud computing. The existing SONF incurs load and costs when discovering, generating and maintaining services. Meanwhile, the apparatus and method provided herein enable to reduce the costs by using cloud computing capabilities, and also to provide more various services, thereby enhancing a user's service satisfaction. By using the apparatus and method, it is possible to serve an alternative to an N-screen service platform architecture, and by further adopting service capabilities of ITU-T and future network features, it is possible to improve service performances and satisfaction.
    Type: Application
    Filed: October 24, 2013
    Publication date: May 1, 2014
    Applicants: Hankuk University of Foreign Studies Research and Industry-University Cooperation Foundation, Electronics and Telecommunications Research Instit
    Inventors: Young-Il KIM, Yang-Jung KIM, Il-Young CHONG
  • Publication number: 20140123197
    Abstract: The present invention relates to an IPTV service device and method for providing continuous service. The method according to one embodiment of the present invention comprises: a service-request receiving step of receiving an IPTV service request from a user of an IPTV terminal; a service-confirming step of confirming whether or not the IPTV service has previously been stopped in response to the IPTV service request; and an IPTV-service providing step of providing the IPTV service to the IPTV terminal from the point at which service was stopped if the IPTV service has previously been stopped.
    Type: Application
    Filed: May 9, 2012
    Publication date: May 1, 2014
    Applicants: HANKUK UNIVERSITY OF FOREIGN STUDIES AND INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, Electronics and Telecommunications Research Institute
    Inventors: Dae-Geun Park, Young-Il Kim, Yang-Jung Kim, Il-Young Chong
  • Publication number: 20130013669
    Abstract: A web-based mobility guaranteeing method includes, at a terminal, connecting to a first service providing apparatus; transmitting a service request signal for requesting service information to the first service providing apparatus; at the first service providing apparatus, transmitting a service providability inquiry signal to a web-based service providing apparatus, based on whether or not the service information is able to be provided by the first service providing apparatus; at the web-based service providing apparatus, transmitting the service providability inquiry signal to a second service providing apparatus, receiving a service providability response signal from the second service providing apparatus, and changing a service provider of the terminal from the first service providing apparatus to the second service providing apparatus; and at the terminal, receiving a service response signal from the second service providing apparatus in response to the service request signal.
    Type: Application
    Filed: June 26, 2012
    Publication date: January 10, 2013
    Applicants: Hankuk University Of Foreign Studies Research and Industry-University Cooperation Foundation, Electronics and Telecommunications Research Institute
    Inventors: Sun-Sim CHUN, Young-Il KIM, Yang-Jung KIM, Il-Young CHONG