Patents by Inventor Wingchi Kwok

Wingchi Kwok 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).

  • Cryogenically cooled phased array RF receiver coil for magnetic resonance imaging
    Publication number: 20050030032
    Abstract: An RF coil construction for MRI is disclosed. The construction includes a device for cryogenically cooling receiver coils, at least two coil elements being cryogenically cooled by the device and forming an array. Each coil element includes at least two capacitors for tuning and matching the coil element. The construction also includes a circuit connected to each coil element for decoupling the coil element from the transmitter coil(s), and also for decoupling among coil elements.
    Type: Application
    Filed: September 14, 2004
    Publication date: February 10, 2005
    Inventors: Wingchi Kwok, Zhigang You, Jianhui Zhong