Patents by Inventor Shihai Zhang

Shihai Zhang 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).

  • Micro-steerable catheter
    Publication number: 20090024086
    Abstract: Micro-streerable catheters for use in delivering therapeutic treatment in the body, such as ablation and cauterization, and which exhibit precise movement are disclosed. Embodiments include electrical micro-catheters that comprise of electroactive polymers. A preferred embodiment includes a programmable catheter.
    Type: Application
    Filed: September 12, 2007
    Publication date: January 22, 2009
    Inventors: Qiming Zhang, Shihai Zhang, Brian Zellers
  • High energy density capacitors and methods of manufacture
    Publication number: 20080123250
    Abstract: A capacitor is provided. The capacitor includes a dielectric polymer film comprising a cyanoresin and at least one electrode coupled to the dielectric polymer film. The capacitor has an energy density of at least about 5 J/cc. A method of making a capacitor is provided. The method includes dissolving a cyanoresin in a solvent to form a solution and coating the solution on a substrate to form a dielectric polymer film. The dielectric polymer film has a breakdown strength of at least about 300 kV/mm.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 29, 2008
    Inventors: Qi Tan, Patricia Chapman Irwin, Yang Cao, Shihai Zhang, Ljubisa Dragoljub Stevanovic
  • VARNISH COMPOSITION FOR INSULATING ELECTRICAL MACHINERY
    Publication number: 20080097027
    Abstract: A varnish composition for producing an electrically insulative thermoset coating is provided. The varnish composition includes poly(phenylene ether) having at least one end group having aliphatic unsaturation and a reactive solvent. When cured, the poly(phenylene ether) and reactive solvent form an electrically insulative thermoset.
    Type: Application
    Filed: October 23, 2006
    Publication date: April 24, 2008
    Applicant: General Electric Company
    Inventors: Shihai Zhang, Patricia Chapman Irwin, Donald Lee Cousins, Edward Norman Peters, Weijun Yin, Gerardo Rocha-Galicia, Gary William Yeager