Patents by Inventor Jong-Soo Hwang

Jong-Soo Hwang 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: 6122369
    Abstract: A device for attaching a earphone key to an earphone-microphone used for a portable phone and performing communication operations and a method therefor.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: September 19, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Soo Hwang, Kyung-Joon Chun