Patents by Inventor Dong Guk Lee

Dong Guk Lee 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).

  • Publication number: 20180170170
    Abstract: A heat exchanger cooling system may include a frame provided in a duct housing and formed of two sections, each of the two sections being divided into two sub-sections, a single motor provided in the frame, and a drive device configured to be driven by the single motor, wherein air flaps provided in the respective sub-sections are simultaneously controlled by operation of the drive device.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 21, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jong-Woo Nam, Kyu-Kwon Bang, Min-Soo Oh, Won-Sik Kim, Seung-Jin Kang, Dong-Guk Lee
  • Patent number: 9610835
    Abstract: A system for controlling an air flow rate into a vehicle engine room may include a fan shroud in which a cooling fan including a fan motor and a fan blade is mounted, a radial portion which is provided in the fan shroud while corresponding to an operation area of the fan blade, including a shutter hub positioned to a center thereof and a plurality of radial units disposed to the shutter hub and including a plurality of radial shutters selectively unfolded from the shutter hub to external circumference directions or selectively folded to the shutter hub direction, and a radial unit operating portion unfolding the plurality of radial units from the shutter hub to the external circumference directions or folding the plurality of radial units to the shutter hub direction.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: April 4, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jongwoo Nam, Hyun Cho, Joonho Lee, Hanshin Chung, Dong Guk Lee
  • Patent number: 9439432
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 13, 2016
    Assignees: MOGHU RESEARCH CENTER LTD, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Patent number: 9303022
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: April 5, 2016
    Assignees: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • Publication number: 20150336455
    Abstract: A system for controlling an air flow rate into a vehicle engine room may include a fan shroud in which a cooling fan including a fan motor and a fan blade is mounted, a radial portion which is provided in the fan shroud while corresponding to an operation area of the fan blade, including a shutter hub positioned to a center thereof and a plurality of radial units disposed to the shutter hub and including a plurality of radial shutters selectively unfolded from the shutter hub to external circumference directions or selectively folded to the shutter hub direction, and a radial unit operating portion unfolding the plurality of radial units from the shutter hub to the external circumference directions or folding the plurality of radial units to the shutter hub direction.
    Type: Application
    Filed: November 25, 2014
    Publication date: November 26, 2015
    Applicant: Hyundai Motor Company
    Inventors: Jongwoo NAM, Hyun CHO, Joonho LEE, Hanshin CHUNG, Dong Guk LEE
  • Publication number: 20150158852
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Application
    Filed: March 18, 2013
    Publication date: June 11, 2015
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • Publication number: 20140256553
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 11, 2014
    Applicants: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung