Patents by Inventor Leonid Ponomarenko

Leonid Ponomarenko 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).

  • Structures and methods relating to graphene
    Patent number: 9548364
    Abstract: This application relates to graphene based heterostructures and methods of making graphene based heterostructures. The graphene heterostructures comprise: i) a first encapsulation layer; ii) a second encapsulation layer; and iii) a graphene layer. The heterostructures find application in electronic devices.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: January 17, 2017
    Assignee: The University of Manchester
    Inventors: Andre Geim, Kostya Novoselov, Roman Gorbachev, Leonid Ponomarenko
  • Transistor device and materials for making
    Patent number: 9318591
    Abstract: This application relates to graphene based heterostructures and transistor devices comprising graphene. The hetero-structures comprise i) a first graphene layer; ii) a spacer layer and iii) a third graphene. The transistors comprise (i) an electrode, the electrode comprising a graphene layer, and (ii) an insulating barrier layer.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: April 19, 2016
    Assignee: The University of Manchester
    Inventors: Andre Geim, Konstantin Novoselov, Roman Gorbachev, Leonid Ponomarenko, Liam Britnell
  • TRANSISTOR DEVICE AND MATERIALS FOR MAKING
    Publication number: 20140008616
    Abstract: This application relates to graphene based heterostructures and transistor devices comprising graphene. The hetero-structures comprise i) a first graphene layer; ii) a spacer layer and iii) a third graphene. The transistors comprise (i) an electrode, the electrode comprising a graphene layer, and (ii) an insulating barrier layer.
    Type: Application
    Filed: March 22, 2012
    Publication date: January 9, 2014
    Applicant: THE UNIVERSITY OF MANCHESTER
    Inventors: Andre Geim, Kostya Novoselov, Roman Gorbachev, Leonid Ponomarenko, L. Britnell
  • STRUCTURES AND METHODS RELATING TO GRAPHENE
    Publication number: 20140008611
    Abstract: This application relates to graphene based heterostructures and methods of making graphene based heterostructures. The graphene heterostructures comprise: i) a first encapsulation layer; ii) a second encapsulation layer; and iii) a graphene layer. The heterostructures find application in electronic devices.
    Type: Application
    Filed: March 22, 2012
    Publication date: January 9, 2014
    Applicant: THE UNIVERSITY OF MANCHESTER
    Inventors: Andre Geim, Kostya Novoselov, Roman Gorbachev, Leonid Ponomarenko