Patents by Inventor Jong-pyo Lee

Jong-pyo Lee 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).

  • Diaphragm edge of speaker
    Patent number: 7463749
    Abstract: Provided is a diaphragm edge of a speaker which is formed by compressing a material including silicon rubber and has an emboss portion on a front surface thereof so that sensitivity of sound is improved. Also, a diaphragm edge of a speaker is formed by compressing a material including silicon rubber and powdered viscose rayon and has an emboss on a front surface thereof.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: December 9, 2008
    Inventor: Jong-pyo Lee