Patents by Inventor Yonghyun Choi

Yonghyun Choi 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: 11408660
    Abstract: The present disclosure relates to an ice maker and a refrigerator having the ice maker. An ice maker according to the present disclosure includes: an upper assembly including an upper tray forming an upper chamber, which is a portion an ice chamber, and having an upper opening, and a temperature sensor configured to sense temperature of the ice chamber in contact with the upper tray; and a lower assembly being rotatable with respect to the upper assembly and having a lower tray forming a lower chamber that is another portion of the ice chamber, in which a contact portion between the temperature sensor and the upper tray is positioned closer to a contact surface of the upper tray and the lower tray than the upper opening.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 9, 2022
    Assignee: LG Electronics Inc.
    Inventors: Yonghyun Kim, Jinil Hong, Seungjin Choi, Seunggeun Lee
  • Publication number: 20220228786
    Abstract: An ice maker includes an upper assembly provided with an upper tray which has an upper chamber recessed upwardly to define an upper side of an ice chamber in which water is filled to generate ice, a lower assembly provided with a lower tray which has a lower chamber recessed downwardly to define a lower side of the ice chamber, and a lower supporter which supports a lower side of the lower tray, in which the lower assembly is rotatably connected to the upper assembly. The ice maker also includes an upper ejector provided with an upper ejecting pin which separates ice from the upper tray after ice-making is completed, in which the upper ejector is connected to the lower assembly to be interlocked with each other, such that when the lower assembly is rotated, the upper ejector is lifted and lowered.
    Type: Application
    Filed: March 22, 2022
    Publication date: July 21, 2022
    Inventors: Yonghyun KIM, Jinil HONG, Hyunji PARK, Seungjin CHOI, Seunggeun LEE
  • Patent number: 9746996
    Abstract: A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of a HVAC system or monitoring a state thereof is provided. The HVAC controller may include a touch screen display configured to receive a parameter setting command input by a user's touch, and a controller connected with the touch screen display to display a screen on the touch screen display. The controller may display a function selection screen to select a type of a limit function when the controller receives a command for selecting limit functions of one or more components of the HVAC system. Further, the controller may display a set-up screen to input a limit parameter on the touch screen display when a specific limit function is selected on the function selection screen, and the set-up screen may include a set-up button to input the limit parameter.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: August 29, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Yonghyun Choi, Hongku Lee, Byungku Hwang
  • Publication number: 20150094861
    Abstract: A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of a HVAC system or monitoring a state thereof is provided. The HVAC controller may include a touch screen display configured to receive a parameter setting command input by a user's touch, and a controller connected with the touch screen display to display a screen on the touch screen display. The controller may display a function selection screen to select a type of a limit function when the controller receives a command for selecting limit functions of one or more components of the HVAC system. Further, the controller may display a set-up screen to input a limit parameter on the touch screen display when a specific limit function is selected on the function selection screen, and the set-up screen may include a set-up button to input the limit parameter.
    Type: Application
    Filed: March 26, 2014
    Publication date: April 2, 2015
    Inventors: Yonghyun CHOI, Hongku Lee, Byungku Hwang
  • Publication number: 20150094863
    Abstract: A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of a HVAC system or monitoring a state thereof is provided. The HVAC controller may include a touch screen display configured to receive a parameter setting command input by a user's touch, and a controller connected with the touch screen display to display a screen on the touch screen display. The controller may display a monitoring screen to monitor usage information on the touch screen display when a command for displaying usage information of one or more components of the HVAC system is received. The monitoring screen may include a button region including a plurality of buttons to select information to be displayed, and a display region that displays usage information corresponding to a selected button when any one button is selected among the plurality of buttons.
    Type: Application
    Filed: April 2, 2014
    Publication date: April 2, 2015
    Inventors: Yonghyun CHOI, Hongku Lee, Byungku Hwang
  • Publication number: 20150094862
    Abstract: A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of a HVAC system or monitoring a state thereof is provided. The HVAC controller may include a touch screen display configured to receive a parameter setting command input by a user's touch, and a controller connected with the touch screen display to display a screen on the touch screen display. The controller may display a first image to select a time for setting a schedule in a first display region of the screen, and when the time is selected in the first image, a set-up image to set a parameter may be displayed in the first image.
    Type: Application
    Filed: April 1, 2014
    Publication date: April 2, 2015
    Inventors: Yonghyun CHOI, Hongku LEE, Byungku HWANG
  • Publication number: 20150094865
    Abstract: A heating, ventilation, or air conditioning (HVAC) controller for controlling one or more components of the HVAC system or monitoring a state thereof is provided. The HVAC controller may include a touch screen display configured to receive a parameter setting command input by a user's touch, and a controller connected with the touch screen display to display a screen on the touch screen display. The controller may display a first image having one or more parameters to be monitored in a monitoring region on the screen and display a second image having one or more parameters to be set in a main input region on the screen, and the controller may display a parameter selected on the touch screen display or delete the parameter by a user's selection on the touch screen display.
    Type: Application
    Filed: March 25, 2014
    Publication date: April 2, 2015
    Inventors: Yonghyun CHOI, Hongku LEE, Byungku HWANG
  • Patent number: 8420853
    Abstract: Disclosed is tonovel cyclic derivatives having potent inhibiting effect on melanin formation and skin hyper-pigmentation activity with no adverse response to skin. They can be used as the therapeutics for treating and preventing the skin disease caused by over-reproduced melanin.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: April 16, 2013
    Assignees: Wonkisopharm Co., Ltd
    Inventors: Hyunchul Cho, Yonghyun Choi, Jonghan Yhei
  • Publication number: 20130000144
    Abstract: Provided are an apparatus for treating a substrate and a method for discharge a supercritical fluid, and more particularly, an apparatus for treating a substrate using a supercritical fluid and a method for discharging the supercritical fluid using the same. The apparatus for treating the substrate includes a container for providing a supercritical fluid, a vent line through which the supercritical fluid is discharged from the container, and a freezing prevention unit disposed in the vent line to prevent the supercritical fluid from being frozen.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: SEMES CO., LTD.
    Inventors: YongHyun Choi, Kibong Kim, Woo Young Kim, Jeong Seon Park
  • Publication number: 20100022461
    Abstract: Disclosed is tonovel cyclic derivatives having potent inhibiting effect on melanin formation and skin hyper-pigmentation activity with no adverse response to skin. They can be used as the therapeutics for treating and preventing the skin disease caused by over-reproduced melanin.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 28, 2010
    Applicant: WONKISOPHARM CO., LTD.
    Inventors: Hyun Chul Cho, Yonghyun Choi, Jonghan Yhei
  • Patent number: D875130
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 11, 2020
    Assignee: Line Corporation
    Inventors: Jung Young Lee, Yonghyun Choi