Patents by Inventor Don Woo CHO

Don Woo CHO 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).

  • INPUT DEVICE FOR ARABIC LETTERS
    Publication number: 20180095547
    Abstract: The invention is an input device for Arabic letters installed on key pads of the electrical devices. Arabic letters are divided into the main letters which are the common letter parts or bases of each Arabic letters and the subscripts to be added on the main letters, and inputting operation is implemented in a way that the main letters is inputted first, and the subscripts is inputted later, so the consistency of the input method is maintained, and the number of key operating could be minimized without increasing the number of key.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 5, 2018
    Inventor: Don Woo CHO
  • Input device for arabic letters
    Patent number: 9870067
    Abstract: The invention is an input device for Arabic letters installed on key pads of the electrical devices. Arabic letters are divided into the main letters which are the common letter parts or bases of each Arabic letters and the subscripts to be added on the main letters, and inputting operation is implemented in a way that the main letters is inputted first, and the subscripts is inputted later, so the consistency of the input method is maintained, and the number of key operating could be minimized without increasing the number of key.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: January 16, 2018
    Inventor: Don Woo Cho
  • INPUT DEVICE FOR ARABIC LETTERS
    Publication number: 20170003755
    Abstract: The invention is an input device for Arabic letters installed on key pads of the electrical devices. Arabic letters are divided into the main letters which are the common letter parts or bases of each Arabic letters and the subscripts to be added on the main letters, and inputting operation is implemented in a way that the main letters is inputted first, and the subscripts is inputted later, so the consistency of the input method is maintained, and the number of key operating could be minimized without increasing the number of key.
    Type: Application
    Filed: November 30, 2015
    Publication date: January 5, 2017
    Inventor: Don Woo CHO