Patents by Inventor Chol ho Hwang

Chol ho 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).

  • Cellular phone
    Patent number: D535635
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: January 23, 2007
    Assignee: Pantech & Curitel Communications, Inc.
    Inventors: Chol ho Hwang, Bong il Mun
  • Housing for a communications device or similar articles
    Patent number: D476302
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: June 24, 2003
    Assignee: Motorola, Inc.
    Inventors: Chol Ho Hwang, Yoonho Choi, Habong Chun
  • Communication device
    Patent number: D477293
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: July 15, 2003
    Assignee: Motorola, Inc.
    Inventor: Chol Ho Hwang
  • Speaker
    Patent number: D588103
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: March 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Ho Lee, Chol-Ho Hwang
  • Speaker
    Patent number: D588104
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: March 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Ho Lee, Chol-Ho Hwang
  • Wireless receiver
    Patent number: D589045
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: March 24, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Ho Lee, Chol-Ho Hwang