Patents by Inventor Abdulrahman Al-Ahdal

Abdulrahman Al-Ahdal 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).

  • ISFET switch
    Patent number: 9140663
    Abstract: There is provided a semiconductor device for detecting a change in ion concentration of a sample and method of using same. The device can have a plurality of Field Effect Transistors (FETs) coupled to a common floating gate and an ion sensing layer exposed to the sample and coupled to the floating gate. There may be other input voltages coupled to the floating gate.
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: September 22, 2015
    Assignee: DNA ELECTRONICS LIMITED
    Inventors: Christofer Toumazou, Abdulrahman Al-Ahdal
  • ISFET SWITCH
    Publication number: 20130273664
    Abstract: There is provided a semiconductor device for detecting a change in ion concentration of a sample and method of using same. The device comprises a plurality of Field Effect Transistors (FETs) coupled to a common floating gate and an ion sensing layer exposed to the sample and coupled to the floating gate. There may be other input voltages coupled to the floating gate.
    Type: Application
    Filed: October 10, 2011
    Publication date: October 17, 2013
    Applicant: DNA Electronics Limited
    Inventors: Christofer Toumazou, Abdulrahman Al-Ahdal