Patents by Inventor In Gu Choi

In Gu 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: 11261353
    Abstract: The present invention relates to a rubber-based adhesive composition and a rubber-based adhesive using the same, the composition including: a rubber-based resin; and a rosin-based resin having at least one hydrophilic group.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: March 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Won Lee, Eun-Kyung Park, Won-Gu Choi, Jang-Soon Kim, Sang-Hwan Kim, Tae-Yi Choi
  • Patent number: 11255979
    Abstract: According to an embodiment, an apparatus and method for generating distribution information may include periodically generating GNSS information including GNSS positioning information and a positioning time, generating image information including an image of at least one or more facility object, at the positioning time, while a vehicle drives, obtaining precise positioning information for a capturing position at the positioning time based on the image information, a high-definition map, and the GNSS information, calculating a positioning difference which is a difference between the GNSS positioning information and the precise positioning information, and generating distribution information including the GNSS information, the positioning difference, and the precise positioning information. The high-definition map includes information for feature point spatial coordinates and a property for each facility object.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 22, 2022
    Inventors: Oh Cheol Kwon, In Gu Choi, Shi Han Kim, Jae Hyung Park, Sung Hwan Kim, Gi Chang Kim, Duk Jung Kim
  • Publication number: 20210364220
    Abstract: Provided is a refrigerator having a simplified interior. The refrigerator includes a main body, a storage compartment formed in the main body and having a front side thereof open, a first door rotatably coupled to the main body to open and close a part of the storage compartment, a second door arranged below the first door and rotatably coupled to the main body to open and close a remaining part of the storage compartment, a filler rotatably provided on the first door or the second door to seal a gap between the first door and the second door in a state in which the first door and the second door are closed, a filler guide configured to guide the filler to be rotated in a first direction, and disposed on a sidewall of the storage compartment adjacent to a rotation axis of the first door and the second door, and a filler pusher configured to push the filler to be rotated in a second direction opposite to the first direction.
    Type: Application
    Filed: May 7, 2019
    Publication date: November 25, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gu CHOI, Sun Gyou LEE, Sang Chul RYU, Sang Gyu JUNG
  • Patent number: 11175408
    Abstract: According to an embodiment, an apparatus for precise position correction using a positioning difference comprises a first distribution information obtaining unit gathering first distribution information from an external terminal, a global navigation satellite system (GNSS) receiver obtaining a GNSS positioning value of the apparatus based on a GNSS, and a positioning correcting unit obtain a corrected location of the apparatus by correcting the GNSS positioning value using the gathered first distribution information. The first distribution information includes a GNSS positioning value of the external terminal, a GNSS positioning time, a precise positioning value, and a positioning difference between the GNSS positioning value and the precise positioning value.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: November 16, 2021
    Inventors: Oh Cheol Kwon, In Gu Choi, Shi Han Kim, Jae Hyung Park, Sung Hwan Kim, Gi Chang Kim, Duk Jung Kim
  • Patent number: 11079169
    Abstract: A refrigerator includes a main body having a storage compartment, a door to open or close the storage compartment, and a dispenser provided on the door and configured to supply water to the outside of the main body, wherein the door includes, a door plate, and a door cap coupled to a lower end portion of the door plate and having a water collecting part to collect residual water of the dispenser.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Hyun Lee, Yang-Yeol Gu, Hyung Bum Lee, Nam Gu Choi
  • Publication number: 20210190512
    Abstract: According to an embodiment, a system includes at least one change detecting device that includes a map information storage unit receiving a high-definition map including a property of each road facility object and spatial coordinates of a feature point from a map updating server and storing the received high-definition map, an object coordinates obtaining unit recognizing at least one road facility object from the road image and obtaining a property of the recognized object and spatial coordinates of a feature point. and a changed object detecting unit comparing the property of the recognized object and the spatial coordinates of the feature point with the high-definition map and, if a change object is detected, transmitting object change information including a property and feature point spatial coordinates of the change object to the map updating server.
    Type: Application
    Filed: December 29, 2019
    Publication date: June 24, 2021
    Inventors: In Gu Choi, Jae Hyung Park, Gi Chang Kim, Duk Jung Kim
  • Publication number: 20210190526
    Abstract: According to an embodiment, there is provided a system creating a high-definition map based on a camera. The system includes at least one map creating device that includes an object recognizing unit recognizing, per frame of the road image, a road facility object including at least one of a GCP object and an ordinary object and a property, a feature point extracting unit extracting a feature point of at least one or more road facility objects from the road image, a feature point tracking unit matching and tracking the feature point in consecutive frames of the road image, a coordinate determining unit obtaining relative spatial coordinates of the feature point to minimize a difference between camera pose information predicted from the tracked feature point and calculated camera pose information, and a correcting unit obtaining absolute spatial coordinates of the feature point.
    Type: Application
    Filed: December 29, 2019
    Publication date: June 24, 2021
    Inventors: In Gu CHOI, Jae Hyung Park, Gi Chang Kim, Duk Jung Kim
  • Patent number: 10976100
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: April 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Won Seo, Jea Won Lee, Yong Soo Kyong, Kyung Ho Hwang, Jae Bok Lee, Myoung Jin Jang, Nam Gu Choi
  • Publication number: 20210072405
    Abstract: According to an embodiment, an apparatus and method for generating distribution information may include periodically generating GNSS information including GNSS positioning information and a positioning time, generating image information including an image of at least one or more facility object, at the positioning time, while a vehicle drives, obtaining precise positioning information for a capturing position at the positioning time based on the image information, a high-definition map, and the GNSS information, calculating a positioning difference which is a difference between the GNSS positioning information and the precise positioning information, and generating distribution information including the GNSS information, the positioning difference, and the precise positioning information. The high-definition map includes information for feature point spatial coordinates and a property for each facility object.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 11, 2021
    Inventors: Oh Cheol KWON, In Gu CHOI, Shi Han KIM, Jae Hyung PARK, Sung Hwan KIM, Gi Chang KIM, Duk Jung KIM
  • Publication number: 20210072400
    Abstract: According to an embodiment, an apparatus for precise position correction using a positioning difference comprises a first distribution information obtaining unit gathering first distribution information from an external terminal, a global navigation satellite system (GNSS) receiver obtaining a GNSS positioning value of the apparatus based on a GNSS, and a positioning correcting unit obtain a corrected location of the apparatus by correcting the GNSS positioning value using the gathered first distribution information. The first distribution information includes a GNSS positioning value of the external terminal, a GNSS positioning time, a precise positioning value, and a positioning difference between the GNSS positioning value and the precise positioning value.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 11, 2021
    Inventors: Oh Cheol KWON, In Gu Choi, Shi Han Kim, Jae Hyung Park, Sung Hwan Kim, Gi Chang Kim, Duk Jung Kim
  • Publication number: 20200393190
    Abstract: A refrigerator includes a main body, a storage chamber formed inside the main body, a door coupled to the main body to open and close the storage chamber, and a hinge coupled to the main body to rotatably support the door, the door includes a lower plate forming a lower surface of the door and a door cap coupled to the lower plate and having a hinge groove, the hinge includes a shaft inserted into the hinge groove, and the shaft includes a door closing preventer configured to prevent the door from being automatically closed in a state in which the door is opened.
    Type: Application
    Filed: February 20, 2019
    Publication date: December 17, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gu CHOI, Sang Gyu JUNG, Sang Chul RYU
  • Patent number: 10787594
    Abstract: The present invention relates to an optical adhesive composition including: a thermosetting component including an isoprene-based rubber containing a carboxyl group, and a thermal curing agent; and a photo-curable component including an acrylic acid ester-based monomer, and a photoinitiator, in order to exhibit high barrier performance on the basis of a low water vapor transmission rate, and simultaneously, exhibit excellent adhesive performance by being applied to an optical device or a display device. In addition, the present invention provides an optical adhesive film including an adhesive layer including a photo-cured product of the optical adhesive composition, thereby obtaining advantages of ensuring an excellent cutting property and an excellent handling property, and improving a step difference absorbency.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: September 29, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Seung-Won Lee, Eun-Kyung Park, Tae-Yi Choi, Won-Gu Choi, Jang-Soon Kim
  • Publication number: 20200173713
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Inventors: Jun Won SEO, Jea Won LEE, Yong Soo KYONG, Kyung Ho HWANG, Jae Bok LEE, Myoung Jin JANG, Nam Gu CHOI
  • Publication number: 20200140725
    Abstract: The present invention relates to a rubber-based adhesive composition and a rubber-based adhesive using the same, the composition including: a rubber-based resin; and a rosin-based resin having at least one hydrophilic group.
    Type: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Inventors: Seung-Won LEE, Eun-Kyung PARK, Won-Gu CHOI, Jang-Soon KIM, Sang-Hwan KIM, Tae-Yi CHOI
  • Patent number: 10591204
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: March 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Won Seo, Jea Won Lee, Yong Soo Kyong, Kyung Ho Hwang, Jae Bok Lee, Myoung Jin Jang, Nam Gu Choi
  • Publication number: 20190338165
    Abstract: A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom.
    Type: Application
    Filed: February 27, 2018
    Publication date: November 7, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jun Man Choi, Sang Hwan Kim, Jang Soon Kim, Kwang Su Seo, Won Gu Choi, Chi Gwan An
  • Patent number: 10435598
    Abstract: Provided are an adhesive bonding composition for optical use and a multistage curing method thereof, the composition including a methacrylate-based monomer and an acrylate-based monomer, in which a weight ratio of the methacrylate-based monomer to the acrylate-based monomer ranges from about 1:1 to about 1:10.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Bo-Ra Yeon, Bu-Gi Jung, Sang-Hwan Kim, Kyung-Joon Yoon, Jang-Soon Kim, Won-Gu Choi
  • Patent number: 10407701
    Abstract: The present invention relates to a method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use, the method including: preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; and carrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition. Further, the present invention provides an optical adhesive composition including a (meth)acrylate group-containing benzophenone prepared by the preparation method and a derivative thereof.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: September 10, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jang Soon Kim, Kwang Su Seo, Won Gu Choi
  • Patent number: 10364380
    Abstract: The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: July 30, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Su Seo, Eun Kyung Park, Seung Won Lee, Jang Soon Kim, Won Gu Choi, Tae Yi Choi
  • Publication number: 20180187965
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 5, 2018
    Inventors: Jun Won SEO, Jea Won LEE, Yong Soo KYONG, Kyung Ho HWANG, Jae Bok LEE, Myoung Jin JANG, Nam Gu CHOI