Patents by Inventor Panagiotis GRAMMATIKOPOULOS

Panagiotis GRAMMATIKOPOULOS 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).

  • COMPOSITE NANOARCHITECTURE UNIT, MULTILAYER COMPOSITE, AND METHOD FOR MANUFACTURING COMPOSITE NANOARCHITECTURE UNIT
    Publication number: 20230231118
    Abstract: A composite nanoarchitecture unit is disclosed. The unit comprises a columnar film grown on top of another layer where the columns touch each other at the top forming arches having optimized characteristics. This nanoarchitecture unit, called nano-vault, achieves high mechanical stability for films under strong and variable stress action.
    Type: Application
    Filed: September 7, 2021
    Publication date: July 20, 2023
    Inventors: Panagiotis GRAMMATIKOPOULOS, Marta HARO, Junlei ZHAO, Emilio Jose JUAREZ-PEREZ
  • Controllable and reversible pH-responsive rollable 2D nano structures
    Patent number: 10279540
    Abstract: A two-dimensional nano-sheet that is foldable in response to a surrounding pH value includes a polyethyleneimine (PEI) chain taking a two-dimensional form; and a plurality of domains made of gold, attached to the PEI chain, the plurality of domains of gold forming a percolating gold film on the PEI chain.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: May 7, 2019
    Assignee: OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOO
    Inventors: Jeong-Hwan Kim, Murtaza Bohra, Vidya Dhar Singh, Antony Douglas Galea, Panagiotis Grammatikopoulos, Mukhles Ibrahim Sowwan
  • CONTROLLABLE AND REVERSIBLE PH-RESPONSIVE ROLLABLE 2D NANO STRUCTURES
    Publication number: 20170066178
    Abstract: A two-dimensional nano-sheet that is foldable in response to a surrounding pH value includes a polyethyleneimine (PEI) chain taking a two-dimensional form; and a plurality of domains made of gold, attached to the PEI chain, the plurality of domains of gold forming a percolating gold film on the PEI chain.
    Type: Application
    Filed: February 20, 2015
    Publication date: March 9, 2017
    Applicant: OKINAWA NSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
    Inventors: Jeong-Hwan KIM, Murtaza BOHRA, Vidya Dhar SINGH, Antony Douglas GALEA, Panagiotis GRAMMATIKOPOULOS, Mukhles Ibrahim SOWWAN