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: 20210136051
    Abstract: Disclosed herein are an in-vehicle network apparatus and method. The in-vehicle network apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured to verify the integrity of software stored in advance in the executable memory, to generate a key table by sharing authentication information with a communication target, and to exchange an encrypted message with the communication target using the key table.
    Type: Application
    Filed: July 31, 2020
    Publication date: May 6, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dae-Won KIM, Dong-Wook KANG, Sang-Woo LEE, Jin-Yong LEE, Boo-Sun JEON, Bo-Heung CHUNG, Hong-Il JU, Byeong-Cheol CHOI, Joong-Yong CHOI
  • Publication number: 20210132038
    Abstract: An impact blood splatters generation experimental apparatus capable of measuring an applied force includes: a hammer including a rod-shaped body portion, a head portion formed at one end of the body portion, and a striking portion formed on one side of the head portion; a housing receiving a certain amount of blood thereon and including a striking surface on which the striking portion may strike; a tensile force gauge attached to an outer surface of the housing; an elastic member having one end connected to the body portion and the other end connected to the tensile force gauge; and a display unit displaying a force applied to the hammer, the force being measured by the tensile force gauge, when a user lifts the hammer to strike the striking surface.
    Type: Application
    Filed: December 10, 2019
    Publication date: May 6, 2021
    Inventors: Nam Kyu Park, Jae Mo Goh, Jin Pyo Kim, Young Il Seo, Eun Ah Joo, Je Hyun Lee, Sang Yoon Lee, Dong A Lim, Kyung Mi Kim
  • 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: 20210126090
    Abstract: A semiconductor device including a device isolation layer defining an active region; a first trench in the device isolation layer; a second trench in the active region; a main gate electrode structure filling a portion of the first trench and including a first barrier conductive layer and a main gate electrode; a pass gate electrode structure filling a portion of the second trench and including a second barrier conductive layer and a pass gate electrode; a support structure filling another portion of the second trench above the pass gate electrode; a first capping pattern filling another portion of the first trench above the main gate electrode; and a second gate insulating layer extending along a bottom and sidewall of the second trench, wherein the second barrier conductive layer is between the second gate insulating layer and the pass gate electrode and extends along a bottom and sidewall thereof.
    Type: Application
    Filed: June 10, 2020
    Publication date: April 29, 2021
    Inventors: Hui-Jung KIM, Kyu Jin KIM, Sang-Il HAN, Kyu Hyun LEE, Woo Young CHOI, Yoo Sang HWANG
  • Patent number: 10991786
    Abstract: A signal control unit for an organic light emitting diode (OLED) display device includes a substrate structure including a plurality of active elements for the pixels, first metal electrodes disposed on the substrate structure, and configured to be electrically connected to a portion of each of the active elements, second metal electrodes disposed over and adjacent the first metal electrodes, configured to electrically connected to corresponding ones of the first metal electrodes, respectively, by via contacts extending vertically to electrically connect the first metal electrodes to the second metal electrodes, and interlayer insulating layer structure interposed between the first electrodes and the second electrodes and having the via contacts therein, the interlayer insulating layer structure having a stacked structure in which a first interlayer insulating layer, a light blocking layer and a second interlayer insulating layer are stacked in order.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: April 27, 2021
    Assignee: DB HITEK CO., LTD.
    Inventors: Jin Hyo Jung, Jung Hyun Lee, Dae Il Kim, Bum Seok Kim, Seung Ha Lee, Sang Yong Lee, Dong Hoon Park
  • 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
  • Publication number: 20210118587
    Abstract: The present invention relates to a radioactive chemical waste treatment apparatus including an adsorption unit including an radioactive chemical waste adsorption member for adsorbing and separating radioactive chemical wastes from radioactive chemical waste-containing fluid, and a regeneration unit which is in fluidic communication with the adsorption unit and is for regenerating the radioactive chemical waste adsorption member by desorbing the radioactive chemical wastes from the adsorption member with the radioactive chemical wastes adsorbed thereonto, and to a radioactive chemical waste treatment method including (A) adsorbing radioactive chemical wastes onto a radioactive chemical waste adsorption member and separating the radioactive chemical wastes from a radioactive chemical waste-containing fluid, and (B) desorbing the radioactive chemical wastes from the radioactive chemical waste adsorption member with the radioactive chemical wastes adsorbed thereonto, and regenerating the radioactive chemical wast
    Type: Application
    Filed: October 14, 2020
    Publication date: April 22, 2021
    Inventors: Sang Eun BAE, Hwa Kyeung JEONG, Dong Woo LEE, Tae Hong PARK, Jei Won YEON, Kun Ho CHUNG, Sang Ho LIM, Jai Il PARK, Wan Sik CHA, Byung Man KANG
  • 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
  • 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: 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: 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: 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