Patents by Inventor Su Ha

Su Ha 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: 10479696
    Abstract: Provided is a method for preparing molybdenum oxide nanoparticles, including (a) preparing a precursor solution by dissolving a molybdenum salt in a first polar solvent, (b) generating an aerosol by applying ultrasonic waves to the precursor solution, and spraying the aerosol to a pre-heated reactor using a carrier gas, (c) obtaining molybdenum oxide micron-sized particles by pyrolyzing the aerosol, and (d) obtaining molybdenum oxide nanoparticles by dispersing the molybdenum oxide micron-sized particles in a second polar solvent and performing a solvothermal reduction reaction.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 19, 2019
    Assignee: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jinsoo Kim, Sang Hyuk Im, Su Ha, Han-Seul Choi, Woo-Sik Kim, Sung Pil Yoon, Jonghee Han
  • Patent number: 9620787
    Abstract: In one embodiment, a composition for use in reforming is provided comprising a catalyst material comprising molybdenum dioxide and/or MO2 (where M=Mo, W, Ru, Re, Os, Ir) nanoparticles having an average particle size from about 2 nm to about 1,000 nm; and a substrate, wherein both the molybdenum dioxide and/or MO2 (where M=Mo, W, Ru, Re, Os, Ir) nanoparticles are substantially immobilized on the substrate. In another embodiment an anode for use in a fuel cell is provided comprising the forgoing composition. And in another embodiment a fuel cell is provided comprising the forgoing anode.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 11, 2017
    Assignee: Washington State University
    Inventors: Su Ha, M. Grant Norton
  • Publication number: 20160362303
    Abstract: Provided is a method for preparing molybdenum oxide nanoparticles, including (a) preparing a precursor solution by dissolving a molybdenum salt in a first polar solvent, (b) generating an aerosol by applying ultrasonic waves to the precursor solution, and spraying the aerosol to a pre-heated reactor using a carrier gas, (c) obtaining molybdenum oxide micron-sized particles by pyrolyzing the aerosol, and (d) obtaining molybdenum oxide nanoparticles by dispersing the molybdenum oxide micron-sized particles in a second polar solvent and performing a solvothermal reduction reaction.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 15, 2016
    Applicant: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jinsoo KIM, Sang Hyuk IM, Su HA, Han-Seul CHOI, Woo-Sik KIM, Sung Pil YOON, Jonghee HAN
  • Publication number: 20110065017
    Abstract: In one embodiment, a composition for use in reforming is provided comprising a catalyst material comprising molybdenum dioxide and/or MO2 (where M=Mo, W, Ru, Re, Os, Ir) nanoparticles having an average particle size from about 2 nm to about 1,000 nm; and a substrate, wherein both the molybdenum dioxide and/or MO2 (where M=Mo, W, Ru, Re, Os, Ir) nanoparticles are substantially immobilized on the substrate. In another embodiment an anode for use in a fuel cell is provided comprising the forgoing composition. And in another embodiment a fuel cell is provided comprising the forgoing anode.
    Type: Application
    Filed: September 10, 2010
    Publication date: March 17, 2011
    Inventors: Su Ha, M. Grant Norton
  • Patent number: 7282282
    Abstract: A passive direct organic fuel cell includes an organic fuel solution and is operative to produce at least 15 mW/cm2 when operating at room temperature. In additional aspects of the invention, fuel cells can include a gas remover configured to promote circulation of an organic fuel solution when gas passes through the solution, a modified carbon cloth, one or more sealants, and a replaceable fuel cartridge.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 16, 2007
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Richard I. Masel, Su Ha, Brian Adams
  • Publication number: 20070099064
    Abstract: An exemplary fuel cell of the invention includes a formic acid fuel solution in communication with an anode (12, 134), an oxidizer in communication with a cathode (16, 135) electrically linked to the anode, and an anode catalyst that includes Pd. An exemplary formic acid fuel cell membrane electrode assembly (130) includes a proton-conducting membrane (131) having opposing first (132) and second surfaces (133), a cathode catalyst on the second membrane surface, and an anode catalyst including Pd on the first surface.
    Type: Application
    Filed: November 5, 2004
    Publication date: May 3, 2007
    Applicant: THE BOARD OF TRUSTEES OF THE UNIV. OF ILLINOIS
    Inventors: Richard Masel, Robert Larsen, Su Ha
  • Publication number: 20060123388
    Abstract: System and method for supporting an embedded software development methodology with quantitative process management are provided. The system and method support a development methodology for effectively defining, referring, and applying an embedded software development methodology that can economically and timely develop a high quality embedded software. Therefore, the system and method can support so that a quantitative approach may be possible for other embedded software development and management thereof afterward by managing techniques and criteria capable of analyzing information obtained through accumulation of quantitative project data related to the embedded software development.
    Type: Application
    Filed: November 10, 2005
    Publication date: June 8, 2006
    Inventors: Yoon Choi, Su Ha, Jin Kim
  • Publication number: 20040115518
    Abstract: A passive direct organic fuel cell includes an organic fuel solution and is operative to produce at least 15 mW/cm2 when operating at room temperature. In additional aspects of the invention, fuel cells can include a gas remover configured to promote circulation of an organic fuel solution when gas passes through the solution, a modified carbon cloth, one or more sealants, and a replaceable fuel cartridge.
    Type: Application
    Filed: September 17, 2003
    Publication date: June 17, 2004
    Inventors: Richard I. Masel, Su Ha, Brian Adams