Patents by Inventor Tsu-Nan Li

Tsu-Nan 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).

  • Rechargeable wireless input device
    Patent number: 7336259
    Abstract: An input device has a body and a battery that is retained in the body. A receiver is coupled to a computer via a cable, with the body removably engaging the receiver. The computer delivers power through the cable and the receiver to charge the battery, while the input device simultaneously transmits operational signals to the receiver for further transmission to the computer.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: February 26, 2008
    Assignee: KYE Systems Corp.
    Inventors: Tsu-Nan Li, Wei-Chung Wang, Yu-Wen Tseng
  • Rechargeable wireless input device
    Publication number: 20060229111
    Abstract: An input device has a body and a battery that is retained in the body. A receiver is coupled to a computer via a cable, with the body removably engaging the receiver. The computer delivers power through the cable and the receiver to charge the battery, while the input device simultaneously transmits operational signals to the receiver for further transmission to the computer.
    Type: Application
    Filed: April 11, 2005
    Publication date: October 12, 2006
    Inventors: Tsu-Nan Li, Wei-Chung Wang, Yu-Wen Tseng
  • Sliding cover for a lens
    Patent number: D501865
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: February 15, 2005
    Assignee: Kye Systems Corp.
    Inventors: Tsu-Nan Li, Te-Hao Liu, Chen-Pang Chen
  • Oval-shaped set of buttons
    Patent number: D510580
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: October 11, 2005
    Assignee: Kye Systems Corp.
    Inventors: Tsu-Nan Li, Te-Hao Liu