Patents by Inventor Kin S. Liew

Kin S. Liew 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).

  • Apparatus and method for charging only rechargeable batteries
    Patent number: 5600224
    Abstract: A battery charger which electronically discriminates between rechargeable and non-rechargeable batteries, and which charges only rechargeable NiCd batteries. This feature is made possible due to the variation in the internal resistances between various types of battery cells.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: February 4, 1997
    Assignee: Motorola, Inc.
    Inventors: Deepak R. Mody, Arun K. Krishnamurthy, Kin S. Liew, Anh X. Nguyen