Patents by Inventor Hyung-Bum Shin

Hyung-Bum Shin 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).

  • Portable charging apparatus having a charging battery built-in
    Patent number: 6950320
    Abstract: Disclosed is a portable charging apparatus having a built-in charging battery, which can easily charge the charging battery of a cellular phone even in a place where home AC power or car power cannot be used and can be used for various kinds of portable equipment by means of using one charger. The present invention can charge a charging battery of a cellular phone using home AC power or car power. Furthermore, the charger of the present invention can easily charge the charging batteries of various digital mobile devices such as cellular phones using an internal charging battery included therein even in a place where home AC power or car power cannot be used.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: September 27, 2005
    Inventor: Hyung-Bum Shin
  • Portable charging apparatus having a charging battery built-in
    Publication number: 20050127870
    Abstract: Disclosed is a portable charging apparatus having a built-in charging battery, which can easily charge the charging battery of a cellular phone even in a place where home AC power or car power cannot be used and can be used for various kinds of portable equipment by means of using one charger. The present invention can charge a charging battery of a cellular phone using home AC power or car power. Furthermore, the charger of the present invention can easily charge the charging batteries of various digital mobile devices such as cellular phones using an internal charging battery included therein even in a place where home AC power or car power cannot be used.
    Type: Application
    Filed: December 27, 2002
    Publication date: June 16, 2005
    Inventor: Hyung-Bum Shin