Patents by Inventor Seung Yeon Won

Seung Yeon Won 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: 6686522
    Abstract: The present invention relates to a musical instrument having its entire body portion manufactured by moulding the body with synthetic resin, in which the said musical instrument is an electric guitar which has the entire body 4 consisting of a base plate 1, a neck part 2 connected to the base plate 17 and a head part 3 connected to the end of the said neck part 2 to hang the strings, and in which the said entire body 4 is made of polyurethane foam having specific gravity in the range of 0.3 to 0.9. In the polyurethane foam additional porous particles sizing average diameter from 1 to 50 &mgr;m selected from a group comprising wood chips, silica or mixtures thereof may homogeneously be contained in an amount of 5 to 8% by weight. Furthermore, a piano, an exterior casing of amplifier and/or an exterior casing of electric guitar may also be made of polyurethane foam having specific gravity in the range of 0.3 to 0.9.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: February 3, 2004
    Assignee: Shinko Corporation
    Inventors: Seung Yeon Won, Sang Min Choi
  • Publication number: 20020033088
    Abstract: The present invention relates to a musical instrument having its entire body portion manufactured by moulding the body with synthetic resin, in which the said musical instrument is an electric guitar which has the entire body 4 consisting of a base plate 1, a neck part 2 connected to the base plate 17 and a head part 3 connected to the end of the said neck part 2 to hang the strings, and in which the said entire body 4 is made of polyurethane foam having specific gravity in the range of 0.3 to 0.9. In the polyurethane foam additional porous particles sizing average diameter from 1 to 50, &mgr;m selected from a group comprising wood chips, silica or mixtures thereof may homogeneously be contained in an amount of 5 to 8% by weight. Furthermore, a piano, an exterior casing of amplifier and/or an exterior casing of electric guitar may also be made of polyurethane foam having specific gravity in the range of 0.3 to 0.9.
    Type: Application
    Filed: June 22, 2001
    Publication date: March 21, 2002
    Inventors: Seung Yeon Won, Sang Min Choi