Patents by Inventor Doyeol Ahn

Doyeol Ahn 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).

  • Patent number: 9397249
    Abstract: Apparatuses capable of and techniques for detecting long wavelength radiation are provided.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 19, 2016
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Publication number: 20150333211
    Abstract: Apparatuses capable of and techniques for detecting long wavelength radiation are provided.
    Type: Application
    Filed: July 2, 2014
    Publication date: November 19, 2015
    Inventor: Doyeol AHN
  • Patent number: 9147019
    Abstract: Techniques for determining and a computing device configured to determine a quantum Karnaugh map through decomposing a quantum circuit into a multiple number of sub-circuits are provided. Also, techniques for obtaining and a computing device configured to obtain a quantum circuit which includes the minimum number of gates among possible quantum circuits corresponding to a quantum Karnaugh map are also provided.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: September 29, 2015
    Assignee: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventor: Doyeol Ahn
  • Patent number: 8828764
    Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: September 9, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8809834
    Abstract: Apparatuses capable of and techniques for detecting long wavelength radiation are provided.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: August 19, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8802481
    Abstract: Apparatuses capable of and techniques for detecting the visible light spectrum are provided.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 12, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Publication number: 20140206118
    Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
    Type: Application
    Filed: March 25, 2014
    Publication date: July 24, 2014
    Applicant: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8748862
    Abstract: Compound semiconductors capable of emitting light in the green spectrum are provided. The compound semiconductors may display improved quantum efficiencies when applied to various optical devices. Also, light emitting diodes and light emitting diode modules comprising the compound semiconductors are provided.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: June 10, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Publication number: 20140157214
    Abstract: Techniques for determining and a computing device configured to determine a quantum Karnaugh map through decomposing a quantum circuit into a multiple number of sub-circuits are provided. Also, techniques for obtaining and a computing device configured to obtain a quantum circuit which includes the minimum number of gates among possible quantum circuits corresponding to a quantum Karnaugh map are also provided.
    Type: Application
    Filed: February 5, 2014
    Publication date: June 5, 2014
    Applicant: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventor: Doyeol AHN
  • Patent number: 8708901
    Abstract: A health monitoring system includes a waveguide that receives a wave transmitted from an external power source and that guides the wave to reach within a width of a rectenna. The waveguide may include a negative refractive index medium and/or a surface plasmon medium.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: April 29, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8704248
    Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: April 22, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8681411
    Abstract: Devices, methods, and techniques for frequency-dependent optical switching are provided. In one embodiment, a device includes a substrate, a first optical-field confining structure located on the substrate, a second optical-field confining structure located on the substrate, and a composite structure located between the first and second optical-field confining structures. The second optical-field confining structure may be spaced apart from the first optical-field confining structure. The composite structure may include an embedding structure with a surface to receive photons and multiple quantum structures located in the embedding structure.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: March 25, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8671369
    Abstract: Techniques for determining and a computing device configured to determine a quantum Karnaugh map through decomposing a quantum circuit into a multiple number of sub-circuits are provided. Also, techniques for obtaining and a computing device configured to obtain a quantum circuit which includes the minimum number of gates among possible quantum circuits corresponding to a quantum Karnaugh map are also provided.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: March 11, 2014
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Publication number: 20140008612
    Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
    Type: Application
    Filed: September 11, 2013
    Publication date: January 9, 2014
    Applicant: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8558257
    Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: October 15, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8524517
    Abstract: Implementations and techniques for semiconductor light-emitting devices including one or more copper blend I-VII compound semiconductor material barrier layers are generally disclosed.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: September 3, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8395141
    Abstract: Semiconductor emitting devices that offset stresses applied to a quantum well region and reduce internal fields due to spontaneous and piezoelectric polarizations are disclosed. In one embodiment, a semiconductor emitting device includes a quantum well region comprising an active layer that emits light and at least one barrier layer disposed adjacent the active layer, a means for impressing an electric field across the quantum well region to inject carriers into the quantum well region, and a means for impressing an offset electric field across the quantum well region to offset the polarization field formed in the quantum well region.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: March 12, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8373153
    Abstract: Implementations of quantum well photodetectors are provided. In one embodiment, a quantum structure includes a first barrier layer, a well layer located on the first barrier layer, and a second barrier layer located on the well layer. A metal layer is located adjacent to the quantum structure.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: February 12, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8367925
    Abstract: Light-electricity conversion devices based on II-VI semiconductor materials are provided. The light-electricity conversion devices are able to cover a wide spectrum range.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: February 5, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn
  • Patent number: 8368047
    Abstract: Semiconductor devices including a light emitting layer, and at least one surface plasmon metal layer in contact with the light emitting layer are provided. The light emitting layer includes an active layer having a first band gap, and one or more barrier layers having a second band gap. The first band gap is smaller than the second band gap. Methods for fabricating semiconductor devices are also provided.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: February 5, 2013
    Assignee: University of Seoul Industry Cooperation Foundation
    Inventor: Doyeol Ahn