Patents by Inventor Wonseop Choi

Wonseop Choi 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).

  • Vehicle resonator and vehicle air cleaner having the same
    Patent number: 10514008
    Abstract: A vehicle resonator includes a mounting portion provided in an air cleaner housing of a vehicle, and a resonance container mounted on the mounting portion to be replaceable in a sliding manner and having a resonance space therein communicating with an intake passage inside the air cleaner housing.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: December 24, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Wonseop Choi, Ju Ho Han, Sung Hyuk Yoon
  • VEHICLE RESONATOR AND VEHICLE AIR CLEANER HAVING THE SAME
    Publication number: 20180291848
    Abstract: A vehicle resonator includes a mounting portion provided in an air cleaner housing of a vehicle, and a resonance container mounted on the mounting portion to be replaceable in a sliding manner and having a resonance space therein communicating with an intake passage inside the air cleaner housing.
    Type: Application
    Filed: September 15, 2017
    Publication date: October 11, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Wonseop CHOI, Ju Ho HAN, Sung Hyuk YOON
  • GREEN SHEET AND MANUFACTURING METHOD THEREOF
    Publication number: 20120183722
    Abstract: The present invention provides a green sheet, for use in a multilayered ceramic capacitor having a super-micro high-capacity, without a wave defects at lateral sides of a green sheet, and a manufacturing method thereof. The method includes forming a release layer on a substrate film; modifying the surface of the release layer to obtain different surface energy levels at the center and both ends of the release layer; and forming a green sheet layer on the release layer.
    Type: Application
    Filed: June 21, 2011
    Publication date: July 19, 2012
    Inventors: Wonseop CHOI, Jaehun Choe, Junghwan Kim, Daebok O, Jaesung Park
  • Air cleaner intake duct
    Patent number: 7520258
    Abstract: An air cleaner intake duct includes a first pipe for receiving intake air and a second pipe that encloses the first pipe. A space is defined between the first pipe and the second pipe. The duct also includes a diffuser connected to the first pipe and configured to be connected to an air cleaner.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: April 21, 2009
    Assignee: Hyundai Motor Company
    Inventor: Wonseop Choi
  • AIR CLEANER INTAKE DUCT
    Publication number: 20090031980
    Abstract: An air cleaner intake duct includes a first pipe for receiving intake air and a second pipe that encloses the first pipe. A space is defined between the first pipe and the second pipe. The duct also includes a diffuser connected to the first pipe and configured to be connected to an air cleaner.
    Type: Application
    Filed: December 5, 2007
    Publication date: February 5, 2009
    Inventor: Wonseop Choi