Patents by Inventor DucAnh Hoang Dinh

DucAnh Hoang Dinh 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).

  • Keyboard and touchpad arrangement for electronic handheld devices
    Publication number: 20110199307
    Abstract: A handheld electronic device arrangement for thumb-typing is invented. A regular computer keyboard is split into two groups of keys. The right group of keys is located on the right side of the device for the right thumb typing and the left group of key is placed on the left side of the device for the left thumb typing. The left and right groups of keys are arranged longitudinally. The touchpad is located on the back and the right side of the device for the right index finger operating. Three mouse buttons are located on the back and the left side of the device for the left index, middle, and ring fingers operating.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 18, 2011
    Inventors: Huy Hai Dinh, Phi Nguyet Bui, AnhQuan Hoang Dinh, DucAnh Hoang Dinh