Patents by Inventor Chih-Kai Liang

Chih-Kai Liang 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).

  • Device for food-shelf-life management
    Publication number: 20100245080
    Abstract: A device for food-shelf-life management comprises an electronic recorder that has a display screen and a plurality of operational keys. The operational keys are to be operated for setting a present date, a present time, and expiry dates of shelf life of foods. The display screen serves to present the present date and time, codes, the expiry date, a number of days left before the expiry date, checks and warning symbols.
    Type: Application
    Filed: March 25, 2009
    Publication date: September 30, 2010
    Inventor: Chih-Kai Liang
  • Device for food-shelf-life management
    Patent number: D613623
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: April 13, 2010
    Inventor: Chih-Kai Liang