Patents by Inventor Jun Ha Kim

Jun Ha Kim 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).

  • LIQUID CRYSTAL POLYESTER RESIN COMPOSITION, MOLDED ARTICLE, AND ELECTRONIC COMPONENT MATERIAL COMPRISING THE SAME
    Publication number: 20250163264
    Abstract: The present invention relates to a liquid crystal polyester resin composition, a molded article, and an electronic component material including the same and, more particularly, to a liquid crystal polyester resin composition that has good weld line impact strength and is resistant to dust generation, a molded article, and an electronic component material including the same.
    Type: Application
    Filed: September 23, 2024
    Publication date: May 22, 2025
    Inventors: Seung Been SONG, Sang Don LEE, Su hak BAE, Sun Hwa JANG, Youn Eung LEE, Jun Ha KIM
  • Vector-controlled dual inverter system and method for induction motor
    Patent number: 7009856
    Abstract: A vector-controlled, dual inverter system for a three-phase induction motor is disclosed. The inverter system comprises a first inverter system which is connected to one end of three phase windings of a stator and performs compensation of a back electromotive force; and a second inverter system which is connected to the other end of the three windings of the stator and performs reactive power compensation.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: March 7, 2006
    Assignee: Hyundai Motor Company
    Inventors: Sang Hyun Moon, Kwang Hee Nam, Jun Ha Kim
  • Vector-controlled dual inverter system and method for induction motor
    Publication number: 20050002210
    Abstract: A vector-controlled, dual inverter system for a three-phase induction motor is disclosed. The inverter system comprises a first inverter system which is connected to one end of three phase windings of a stator and performs compensation of a back electromotive force; and a second inverter system which is connected to the other end of the three windings of the stator and performs reactive power compensation.
    Type: Application
    Filed: December 31, 2003
    Publication date: January 6, 2005
    Inventors: Sang Hyun Moon, Kwang Hee Nam, Jun Ha Kim
  • Device and method for detecting anomaly of air conditioner by using acoustic emission method
    Patent number: 6332362
    Abstract: Device and method for detecting anomaly of an air conditioner, the method including the steps of (1) detecting an acoustic emission signal from a compressor in the air conditioner during operation of the air conditioner, (2) detecting parameters of particular components from the detected acoustic emission signal, and (3) comparing the detected parameters to respective references, to determine anomaly of the air conditioner on the whole, whereby permitting the most reliable detection of anomaly of the air conditioner.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: December 25, 2001
    Assignee: LG Electronics Inc.
    Inventors: Kam Gyu Lee, Jung Suk Kim, Myoung Chang Kang, Jun Ha Kim