Patents by Inventor Sang-Il Lee

Sang-Il 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: 20210246329
    Abstract: The present technology relates to a coating composition for paper making and to a method for manufacturing an eco-friendly type food wrapping paper with improved damp-proofing properties and blocking properties by using same. The water-dispersible coating composition for paper making of the present technology is a coating composition for paper making, which comprises an acrylic polymer resin and a pigment, the acrylic polymer resin containing an acrylate, the pigment containing at least one of clay, talc, and calcium carbonate, wherein the pigment has a particle diameter of 1800 nm or smaller, and is blended with the acrylate while the acrylate is used as a binder.
    Type: Application
    Filed: May 24, 2019
    Publication date: August 12, 2021
    Inventors: Cheol YOON, Sang Il LEE
  • Patent number: 11048750
    Abstract: A conversation topic providing method includes: converting voice data, of a conversation of a user who is on a phone, into text; selecting a keyword, indicating an intention of the user, from the text; obtaining information of interest with respect to the keyword; and determining topics relating to the keyword based on user information.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hue-yin Kim, Sang-il Lee, Sung-kyu Lee, Seong-seol Hong, Jung-hoon Shin, Yeon-woo Lee
  • Publication number: 20210178372
    Abstract: Disclosed are a bifunctional catalyst and a preparation method therefor, the bifunctional catalyst being suitable to produce high-value aromatic hydrocarbons by subjecting alkylaromatic hydrocarbons to a disproportionation/transalkylation/dealkylation reaction while suppressing aromatic loss or subjecting C8 aromatic hydrocarbons to an isomerization reaction while suppressing xylene loss.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 17, 2021
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Publication number: 20210171251
    Abstract: Disclosed is a chemical container capable of discharging gas generated from a chemical by stably securing a discharge passage of the gas even when the posture or tilt of the chemical container is variously changed, i.e. when the chemical container is turned over or falls sideways, whereby it is possible to prevent an excessive increase in internal pressure of the chemical container due to generation of the gas. The chemical container includes a container body having a storage compartment configured to store a chemical, an exhaust port disposed at one side of the container body, the exhaust port being configured to connect the storage compartment and the outside of the container body to each other in such a manner that fluid movement therebetween is possible, an exhaust tube disposed in the storage compartment so as to be connected to the exhaust port in such a manner that fluid movement therebetween is possible, and an exhaust buoyancy unit.
    Type: Application
    Filed: June 20, 2019
    Publication date: June 10, 2021
    Applicant: LOWTEM CO., LTD.
    Inventors: SANG IL LEE, Gwang Ho MUN
  • Publication number: 20210129122
    Abstract: Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Patent number: 10999899
    Abstract: Provided is a heating cable having high flex resistance and flexibility. More particularly, the present invention relates to a heating cable having both an excellent mechanical property such as flex resistance and high flexibility which are in a trade-off relationship, and capable of facilitating control of heat to be generated.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: May 4, 2021
    Assignee: LS CABLE & SYSTEM LTD.
    Inventors: Sang Il Lee, Do Hyun Park, Chang Suk Kim
  • Publication number: 20210114519
    Abstract: A system for controlling an interior sound of a vehicle phase-changes the frequency of additional sound based on the engine operating state to increase the current density, thereby inhibiting signal distortion by increasing the current density. As a result, the distortion phenomenon caused by excessive use of amplifier current when generating the additional sound is reduced or minimized, and unnecessary noise is inhibited from occurring in a vibration generator and a frame of the vehicle.
    Type: Application
    Filed: March 11, 2020
    Publication date: April 22, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Youn KWAK, Jae Hyun PARK, Dong Wook LEE, Sang Il LEE, Won Seop CHOI
  • Publication number: 20210113639
    Abstract: The present invention provides a pharmaceutical composition for preventing or treating Alzheimer's disease and a food composition for relieving symptoms of Alzheimer's disease, which comprise a mountain-cultivated ginseng extract. The composition comprising the mountain-cultivated ginseng extract of the present invention is beneficially used as a pharmaceutical composition for preventing or treating Alzheimer's disease in the medical field for the treatment of Alzheimer's disease or as a food composition for relieving the symptoms of Alzheimer's disease.
    Type: Application
    Filed: April 26, 2018
    Publication date: April 22, 2021
    Inventors: Sang Il LEE, Hyoung Chun KIM, Sung Kwon KO, Eun Joo SHIN
  • Patent number: 10908703
    Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: February 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mi-ra Park, Sung-bin Kuk, Hark-joon Kim, Sang-il Lee, Min-kyu Jung, Seong-hoon Kang
  • Patent number: 10848529
    Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-kih Hong, Min-suk Choi, Yoon-suk Choi, Sang-Il Lee, Seong-hoon Kang
  • Patent number: 10844844
    Abstract: The disclosure relates to a carbon blade for a wind turbine with multiple down conductors, and more particularly, to a carbon blade for a wind turbine with multiple down conductors that includes multiple down conductors disposed thereon to reduce or prevent a potential difference between a plurality of points to be formed thereon from being generated.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: November 24, 2020
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Sang Il Lee, Jeong Hoon Lee, In Gyu Oh
  • Patent number: 10794299
    Abstract: A variable exhaust valve assembly for a vehicle includes an exhaust housing, a power transmission device that transmits rotational power, a shaft that extends through the exhaust housing and is coupled with a valve so as to open and close the exhaust housing, and a heat shielding unit to reduce heat transfer between the power transmission device and the exhaust housing. The power transmission device is configured to regulate an opening degree of the valve. The variable exhaust valve assembly is improved in durability by minimizing damage to power transmission caused by high-temperature heat of exhaust gas, and reducing vibration transmitted to the power transmission device.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: October 6, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Sejong Ind. Co., Ltd.
    Inventors: Sang Il Lee, Yun Soo Kim, Wan Cheol Lee, Jin Woo Kim, Jong Hwa Kang
  • Publication number: 20200271104
    Abstract: The disclosure relates to a carbon blade for a wind turbine with multiple down conductors, and more particularly, to a carbon blade for a wind turbine with multiple down conductors that includes multiple down conductors disposed thereon to reduce or prevent a potential difference between a plurality of points to be formed thereon from being generated.
    Type: Application
    Filed: November 8, 2017
    Publication date: August 27, 2020
    Inventors: Sang Il LEE, Jeong Hoon LEE, In Gyu OH
  • Patent number: 10752638
    Abstract: The present invention relates to a method of producing anhydrosugar alcohol by dehydrating sugar alcohol at high pressure in the presence of a catalyst which is less acidic than a conventional sulfuric acid catalyst and which can suppress side reactions at high temperature. According to the present invention, anhydrosugar alcohol can be produced in a yield similar to that in a vacuum reaction.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 25, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young Bo Choi, Sang Il Lee, Sung Real Son, In Hyoup Song
  • Patent number: 10750359
    Abstract: A portable terminal device and a method for operating the same are provided. The portable terminal device includes a communicator configured to perform communication with an external device, a display configured to display a same image as an image displayed on the external device, an inputter configured to receive an input of a selection command, and a controller configured to perform an operation corresponding to an object included in the image at a time when the selection command is input.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Do-hyoung Kim, Sang-il Lee, Taik-heon Rhee, Seong-hoon Kang, Sung-bin Kuk, Dong-jin Eun, Min-kyu Jung
  • Publication number: 20200191171
    Abstract: A gas lift for preventing sagging may include in the gas lift comprising a tube and a rod slidably installed inside the tube, and filled with gas inside the tube, a moving member for moving with the rod when the rod slides at one side of the portion received inside the tube of the rod, a first stopping part coupled to the moving member and for stopping sliding of the moving member primarily in the tube, and a second stopping part coupled to the moving member and for stopping sliding of the moving member after the moving member and the first stopping part have been coupled to each other.
    Type: Application
    Filed: November 20, 2019
    Publication date: June 18, 2020
    Inventors: Min-Sik Kim, Jong-Il Shin, Sang-Il Lee
  • Patent number: 10654768
    Abstract: The present disclosure provides a process for effectively separating and removing by-products (light gas, C5-C6 hydrocarbon oil fraction, polyethylbenzene) contained in a substantial amount in addition to ethylbenzene as a target compound in an alkylation reaction product of a fluidized catalytic cracking off-gas to prepare ethylbenzene having high purity, and process economical efficiency may be secured by utilizing the polyethylbenzene as an absorbent or gasoline fraction, without requiring a transalkylation reaction for further producing ethylbenzene from polyethylbenzene.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: May 19, 2020
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Dae Sung Song, Hee Du Lee, Sang Il Lee, Kyung Jong Oh, Ji Hoon Lee, Yeon Ho Kim
  • Publication number: 20200049079
    Abstract: A variable exhaust valve assembly for a vehicle includes an exhaust housing, a power transmission device that transmits rotational power, a shaft that extends through the exhaust housing and is coupled with a valve so as to open and close the exhaust housing, and a heat shielding unit to reduce heat transfer between the power transmission device and the exhaust housing. The power transmission device is configured to regulate an opening degree of the valve. The variable exhaust valve assembly is improved in durability by minimizing damage to power transmission caused by high-temperature heat of exhaust gas, and reducing vibration transmitted to the power transmission device.
    Type: Application
    Filed: December 12, 2018
    Publication date: February 13, 2020
    Inventors: Sang Il Lee, Yun Soo Kim, Wan Cheol Lee, Jin Woo Kim, Jong Hwa Kang
  • Publication number: 20190388050
    Abstract: The present invention relates to a radiographic apparatus and a radiographic method using the same. More particularly, the present invention relates to the radiographic apparatus for generating an image of an object using radiation and a radiographic method using the same. According to an embodiment of the present invention, the radiographic apparatus includes: a radiation irradiating unit having a plurality of radiation sources and irradiating the object with radiation emitted from each of the plurality of radiation sources; a driving unit for moving the radiation irradiating unit; and a radiation detector for detecting the radiation passing through the object to acquire a plurality of radiation images.
    Type: Application
    Filed: December 1, 2017
    Publication date: December 26, 2019
    Inventors: Sang Il LEE, Eung Bum KIM, Choul Woo SHIN
  • Publication number: 20190332195
    Abstract: A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces.
    Type: Application
    Filed: July 11, 2019
    Publication date: October 31, 2019
    Inventors: Mi-ra PARK, Sung-bin KUK, Hark-joon KIM, Sang-il LEE, Min-kyu JUNG, Seong-hoon KANG