Patents by Inventor Hwee Chew

Hwee Chew 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).

  • Method and device for water treatement using an electromagnetic field
    Publication number: 20070029261
    Abstract: A method and a device for treating water using an electromagnetic field. The method comprising the steps of subjecting the water to the electromagnetic field generated utilising an inductor coil; and varying a frequency of a driving signal for the inductor coil such that the generated electromagnetic field has a varying frequency.
    Type: Application
    Filed: September 30, 2005
    Publication date: February 8, 2007
    Inventor: Hwee Chew
  • Optical sensor package and method of manufacture
    Publication number: 20060180888
    Abstract: A semiconductor package for optical sensing and method of manufacture thereof is disclosed. The semiconductor package comprises a substrate for transmitting radiation and an integrated circuit chip for sensing the radiation. A plurality of connectors for electrical transmission is disposed on the substrate and a plurality of pillars for facilitating electrical communication between the plurality of connectors and the integrated circuit chip is disposed between at least one of the plurality of connectors and the integrated circuit chip.
    Type: Application
    Filed: February 14, 2005
    Publication date: August 17, 2006
    Applicant: Advanpack Solutions Pte Ltd
    Inventors: Teck Tan, Hwee Chew