Patents by Inventor Dong Yol RYU

Dong Yol RYU 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).

  • SUBSTRATE PROCESSING APPARATUS AND MANUFACTURING METHOD THEREOF
    Publication number: 20220339749
    Abstract: A substrate processing apparatus includes a substrate support unit including a chuck for supporting a substrate, a fluid supply unit that supplies a processing fluid to the substrate, and a recovery unit surrounding the chuck and recovering the supplied processing fluid. The substrate support unit includes an antistatic material in which milled carbon fibers (MCF) are blended into a perfluoroalkoxy alkane (PFA) resin.
    Type: Application
    Filed: March 19, 2022
    Publication date: October 27, 2022
    Applicants: SEMES CO., LTD., Shinil Chemical Industry Co., Ltd.
    Inventors: Sung Lin LEE, Sung Ho JANG, Chul Woo KIM, Dong Yol RYU, Bo Ram KWON
  • Polyamide composite resin composition for fuel filler pipe
    Patent number: 9902854
    Abstract: A polyamide composite resin composition for a fuel filler pipe includes 41 to 77% by weight of polyamide 6, 5 to 15% by weight of m-xylenediamine (MXD)-based modified nylon, 14 to 30% by weight of a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer, or a mixture thereof, and 3 to 10% by weight of mixed clay.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 27, 2018
    Assignees: HYUNDAI MOTOR COMPANY, SHINIL CHEMICAL INDUSTRY CO., LTD., KOREA FUEL-TECH CORPORATION
    Inventors: Jee Young Youn, Dong Yol Ryu, Dong Chul Lee, Bo Ram Kwon, Ki Hong Kim, Keum Suk Seo, Cheol Kyu Choi
  • POLYAMIDE COMPOSITE RESIN COMPOSITION FOR FUEL FILLER PIPE
    Publication number: 20170166745
    Abstract: A polyamide composite resin composition for a fuel filler pipe includes 41 to 77% by weight of polyamide 6, 5 to 15% by weight of m-xylenediamine (MXD)-based modified nylon, 14 to 30% by weight of a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer, or a mixture thereof, and 3 to 10% by weight of mixed clay.
    Type: Application
    Filed: July 26, 2016
    Publication date: June 15, 2017
    Inventors: Jee Young YOUN, Dong Yol RYU, Dong Chul LEE, Bo Ram KWON, Ki Hong KIM, Keum Suk SEO, Cheol Kyu CHOI
  • Polyamide composite resin composition for fuel filler pipe
    Patent number: 9587111
    Abstract: A polyamide composite resin composition for a fuel filler pipe, the polyamide composite resin includes 41 to 77% by weight of polyamide 6, 5 to 15% by weight of m-xylenediamine (MXD)-based modified nylon, 14 to 30% by weight of a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer or a thermoplastic elastic body rubber as a mixture thereof, and 3 to 10% by weight of mixed clay.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: March 7, 2017
    Assignees: HYUNDAI MOTOR COMPANY, SHINIL CHEMICAL INDUSTRY CO., LTD.
    Inventors: Jee Young Youn, Dong Yol Ryu, Keum Suk Seo
  • POLYAMIDE COMPOSITE RESIN COMPOSITION FOR FUEL FILLER PIPE
    Publication number: 20160362553
    Abstract: A polyamide composite resin composition for a fuel filler pipe, the polyamide composite resin includes 41 to 77% by weight of polyamide 6, 5 to 15% by weight of m-xylenediamine (MXD)-based modified nylon, 14 to 30% by weight of a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer or a thermoplastic elastic body rubber as a mixture thereof, and 3 to 10% by weight of mixed clay.
    Type: Application
    Filed: December 16, 2015
    Publication date: December 15, 2016
    Inventors: Jee Young YOUN, Dong Yol RYU, Keum Suk SEO