Patents by Inventor Dong-Guy Im

Dong-Guy Im 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).

  • MANUFACTURING METHOD OF AIR MAT
    Publication number: 20100243143
    Abstract: The present invention relates to a method for manufacturing an air mat that reduces a thickness of a cushion part by means of both slush molding and rotational molding, enhances a bonding efficiency between a lower sheet and the cushion part, and obviates the need of any separate communicating members for forming the communicating passageways for a plurality of air pockets of the cushion part, thereby simplifying manufacturing processes.
    Type: Application
    Filed: September 14, 2007
    Publication date: September 30, 2010
    Applicant: CERAGEM CO., LTD.
    Inventors: Dong-Guy Im, Gin-Kyu Choi