Patents by Inventor Heungchan OH

Heungchan OH 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).

  • Power conversion apparatus and photovoltaic module
    Patent number: 9627980
    Abstract: Disclosed are a power conversion apparatus and a photovoltaic module. The power conversion apparatus includes a converter unit configured to convert a direct current (DC) voltage from a solar cell module, a clamp unit configured to limit a surge voltage in the converter unit, and a controller configured to control the converter unit. Through this configuration, the power conversion apparatus is capable of limiting a surge voltage depending on operation of the converter unit.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: April 18, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Giyob Park, Youngbok Jung, Heungchan Oh
  • POWER CONVERSION APPARATUS AND PHOTOVOLTAIC MODULE
    Publication number: 20150236599
    Abstract: Disclosed are a power conversion apparatus and a photovoltaic module. The power conversion apparatus includes a converter unit configured to convert a direct current (DC) voltage from a solar cell module, a clamp unit configured to limit a surge voltage in the converter unit, and a controller configured to control the converter unit. Through this configuration, the power conversion apparatus is capable of limiting a surge voltage depending on operation of the converter unit.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 20, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Giyob PARK, Youngbok JUNG, Heungchan OH