Patents by Inventor In Koo Hwang

In Koo Hwang 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: 10654343
    Abstract: A wireless power transfer system for a vehicle door glass may include a power transmitter including a first converter converting DC power from a battery into AC power, a transmitting coil wirelessly transmitting the AC power received from the first converter, and a transmitter controller controlling a power level to be output from the first converter; and a power receiver including a receiving coil wirelessly receiving the AC power from the transmitting coil, a second converter and a third converter connected to the receiving coil, and a receiver controller controlling a power level to be output from the second converter and the third converter, wherein the power transmitter is mounted on a vehicle door, and the power receiver is mounted on a door glass.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 19, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Omron Automotive Electronic Korea Co., Ltd.
    Inventors: Kwan Hui Kang, Sang Hoon Gweon, Joon Koo Hwang, Dong Hee Lee
  • Publication number: 20200079190
    Abstract: A wireless power transfer system for a vehicle door glass may include a power transmitter including a first converter converting DC power from a battery into AC power, a transmitting coil wirelessly transmitting the AC power received from the first converter, and a transmitter controller controlling a power level to be output from the first converter; and a power receiver including a receiving coil wirelessly receiving the AC power from the transmitting coil, a second converter and a third converter connected to the receiving coil, and a receiver controller controlling a power level to be output from the second converter and the third converter, wherein the power transmitter is mounted on a vehicle door, and the power receiver is mounted on a door glass.
    Type: Application
    Filed: November 13, 2018
    Publication date: March 12, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Omron Automotive Electronic Korea Co., Ltd.
    Inventors: Kwan Hui Kang, Sang Hoon Gweon, Joon Koo Hwang, Dong Hee Lee
  • Patent number: 9103710
    Abstract: An apparatus and method for monitoring a flow of liquid in a pipe are provided. The apparatus may include a temperature sensor attached to a pipe of a heat exchanger system to measure a temperature of the pipe, and a controller to determine whether a liquid is present in the pipe, based on a change in the measured temperature.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: August 11, 2015
    Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co. Ltd.
    Inventors: Tae Joon Kim, Ji Young Jeong, Yong Bum Lee, In Koo Hwang, Jae Hyuk Eoh, Jong Man Kim, Yeong Ii Kim
  • Publication number: 20120304760
    Abstract: An apparatus and method for monitoring a flow of liquid in a pipe are provided. The apparatus may include a temperature sensor attached to a pipe of a heat exchanger system to measure a temperature of the pipe, and a controller to determine whether a liquid is present in the pipe, based on a change in the measured temperature.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 6, 2012
    Applicants: Korea Hydro & Nuclear Power Co., Ltd., Korea Atomic Energy Research Institute
    Inventors: Tae Joon KIM, Ji Young JEONG, Yong Bum LEE, In Koo HWANG, Jae Hyuk EOH, Jong Man KIM, Yeong Ii KIM
  • Publication number: 20070122504
    Abstract: The present invention relates to a grape seed extract showing neuronal cell protecting activity and the composition comprising the same having neuronal cell protecting activity for preventing and treating degenerative brain disease. The grape seed extract shows potent inhibiting activity of neuronal cell apoptosis occurred in brain ischemia as well as no toxicity, therefore, it can be used as the therapeutics or health food for treating and preventing degenerative brain diseases.
    Type: Application
    Filed: November 2, 2004
    Publication date: May 31, 2007
    Applicant: Natural F & P Corp
    Inventors: Won Kook Moon, Dong Woo Kim, Moo Ho Won, In Koo Hwang
  • Publication number: 20050160773
    Abstract: The invention presents a cleaning system for stubborn stains such as dress-shirt collar and sleeve edges comprising a motorized wheel brush, a pressure roller to press clothing item against the rotating brush, a roller pressure adjustment assembly, and a cleaning-solution container under the brush to make the brush partially submerged in the solution. The proposed system eliminates manual brushing currently performed on stubborn stains, resulting in a much improved cleaning quality and reduced labor costs.
    Type: Application
    Filed: January 28, 2004
    Publication date: July 28, 2005
    Inventor: Yong Koo Hwang
  • Patent number: 6832404
    Abstract: A collar cleaning system for dress shirts comprising a slide plate, a guiding plate, a pressured soap-water spraying subsystem and a rotating brush is presented. The shirt collar is loaded onto the sliding plate and moved under the rotating brush while being sprayed with soap water to remove the dirt ring around the collar.
    Type: Grant
    Filed: February 8, 2003
    Date of Patent: December 21, 2004
    Inventor: Yong Koo Hwang
  • Publication number: 20040160001
    Abstract: A Go board with generalized topology and rules are presented. The board topology is generalized to include concave corner points, vacuous areas, two-dimensional grids over the surface of three-dimensional objects, grids consisting of three-dimensional meshes, a random graph, and temporarily invisible areas of the Go board. The Go playing rule is also generalized by allowing a player to place multiple stones, and by assigning different scores to different points on the Go board.
    Type: Application
    Filed: February 18, 2003
    Publication date: August 19, 2004
    Inventor: Yong Koo Hwang
  • Publication number: 20040154355
    Abstract: A collar cleaning system for dress shirts comprising a slide plate, a guiding plate, a pressured soap-water spraying subsystem and a rotating brush is presented. The shirt collar is loaded onto the sliding plate and moved under the rotating brush while being sprayed with soap water to remove the dirt ring around the collar.
    Type: Application
    Filed: February 8, 2003
    Publication date: August 12, 2004
    Inventor: Yong Koo Hwang
  • Patent number: 4863183
    Abstract: A tricycle which includes a pivotal handlebar about a handlebar sprocket, a drive chain rotating through sprockets disposed along a T-shaped configuration, a pair of front steering wheels, a single driven rear wheel, and a cargo basket attached to a beam member over the pair of front steering wheels, whereby, upon the upward and downward movement of the handlebar, the pair of steering wheels smoothly turn in the left or the right direction in a narrow space without shaking the cargo basket attached to the tricycle.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: September 5, 1989
    Inventors: In Mo Hwang, Yong Koo Hwang