Patents by Inventor I-Ying Li

I-Ying Li 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).

  • USB laser pen drive
    Publication number: 20050240692
    Abstract: A USB laser pen drive is provided. The USB laser pen drive comprises a housing case with a laser diode, a flash memory and a USB drive circuit. The flash memory and the USB drive circuit are both housed inside the housing case. The housing case further comprises a laser light switch, a plurality of buttons to provide operation interface to the user. The USB drive circuit further comprises a USB controller, a direct memory access, a flash memory interface, a human interface device (HID) interface, and a micro controller for controlling the operation of the USB laser pen drive.
    Type: Application
    Filed: April 27, 2004
    Publication date: October 27, 2005
    Inventor: I-Ying Li