Patents by Inventor Joo Young Maeng

Joo Young Maeng 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: 8158692
    Abstract: The present invention provides a polyurethane foam for an automobile steering wheel. More particularly, the present invention relates to polyurethane foam formed by using a predetermined amount of a polyol having various functional groups and OH values and a predetermined amount of isocyanate having a certain function, along with water as a foaming agent, thereby preventing the environmental problems caused by use of the conventional fluorine-based or pentane-based foaming agent and also improving durability such as water resistance.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: April 17, 2012
    Assignee: Hyundai Motor Company
    Inventors: Seok Hwan Kim, Won Jin Seo, Joo Young Maeng, Han Sung Paik, Gi Man Kim
  • Publication number: 20090156703
    Abstract: The present invention provides a polyurethane foam for an automobile steering wheel. More particularly, the present invention relates to polyurethane foam formed by using a predetermined amount of a polyol having various functional groups and OH values and a predetermined amount of isocyanate having a certain function, along with water as a foaming agent, thereby preventing the environmental problems caused by use of the conventional fluorine-based or pentane-based foaming agent and also improving durability such as water resistance.
    Type: Application
    Filed: April 18, 2008
    Publication date: June 18, 2009
    Applicant: Hyundai Motor Company
    Inventors: Seok Hwan Kim, Won Jin Seo, Joo Young Maeng, Han Sung Paik, Gi Man Kim