Patents by Inventor Seung Joon Yoon

Seung Joon Yoon 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).

  • Thermoplastic resin composition having high rigidity and low coefficient of linear thermal expansion and molded article comprising same
    Patent number: 11993702
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 ?m/m° C. or less.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: May 28, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, LOTTE CHEMICAL CORPORATION
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kyung Hwan Lim, Eun Hwa Jang
  • HYBRID CHARGING DEVICE FOR ELECTRIC VEHICLE, CHARGING SYSTEM COMPRISING THE SAME, AND CHARGING METHOD USING THE SAME
    Publication number: 20240067023
    Abstract: A hybrid charging device includes an alternating current (AC)-direct current (DC) converter for converting an AC input power to a first DC power; a DC-DC converter for converting a DC input power to a second DC power; a power combiner for generating a charge power for an electric vehicle from at least one of the first DC power or the second DC power; and a charge controller for controlling the AC-DC converter, the DC-DC converter and the power combiner.
    Type: Application
    Filed: August 26, 2022
    Publication date: February 29, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Seung-Kyu YOON, Ho-Seung HAN, Young-joon SHIN
  • GREEN LIFE MANAGEMENT METHOD AND SYSTEM
    Publication number: 20140164090
    Abstract: The present invention relates to a method and system for managing the green life of a user.
    Type: Application
    Filed: May 17, 2012
    Publication date: June 12, 2014
    Applicant: KOREA ENVIRONMENT INDUSTRY TECHNOLOGY INSTITUTE CO., LTD.
    Inventors: Seung Joon Yoon, Sung Sik Moon