Patents by Inventor Sang Ho Lee

Sang Ho 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).

  • Patent number: 9890282
    Abstract: Disclosed are a flame retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering flame retardancy of the resin composition, and an electric wire comprising the same. The flame retardant thermoplastic resin composition comprises a matrix resin that comprises 20% to 40% by weight of a poly arylene ether resin, 20% to 40% by weight of a vinyl aromatic resin and 5% to 17% by weight of a polypropylene resin comprising a rubber ingredient, and 10% to 30% by weight of a flame retardant, based on a total weight of the resin composition.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: February 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Soo Min Lee, Jong Kuk Choi, Sung Ho Lee, Eung Soo Kim, Sang Ho Lee, Nam Jib Park
  • Patent number: 9851753
    Abstract: An electronic device includes a first body and a second body which are detachably connected. The first body includes a frame and a fixing apparatus, and the second body includes a main functional unit. The fixing apparatus is connected to the frame and configured to fix the electronic device to an operation body. When the electronic device is fixed to the operation body via the fixing apparatus, the fixing apparatus and the frame form a ring-shaped space. A method for controlling power supply of the electronic device is also provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: December 26, 2017
    Assignee: Lenovo (Beijing) Co., Ltd.
    Inventors: Yan Gao, Xiaotian Zhu, Sang-ho Lee
  • Publication number: 20170366797
    Abstract: Disclosed herein are a method and apparatus for providing a personalized three-dimensional (3D) image. The apparatus for providing a personalized three-dimensional image using convergence matching may include a fixed screen set as a horopter region, a calculation unit configured to calculate a shift value of an image projected onto the screen based on a distance from a virtual stereo camera to a target object, a convergence matching unit configured to match a convergence angle to the horopter region based on the shift value, and a controller configured to control the convergence matching unit to maintain the convergence angle when a user's gaze is shifted to a nearby object having the same depth value as the target object.
    Type: Application
    Filed: June 16, 2017
    Publication date: December 21, 2017
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Shi Ho KIM, Sang Ho LEE
  • Patent number: 9847780
    Abstract: A power-up signal generation circuit including a pre-power-up signal generation block operates by using a first power supply voltage, and generates a pre-power-up signal when the first power supply voltage becomes higher than a first level, and a second power supply voltage becomes higher than a second level; a level shifting block suitable for pull-down driving a first node when the pre-power-up signal is not in an activated state, and pull-up driving the first node with the second power supply voltage when the pre-power-up signal is in the activated state; a driving block suitable for pull-down driving the first node when the second power supply voltage is lower than the second level; and a power-up signal driving block operates by using the second power supply voltage, and generates a power-up signal through a second node by driving the second node based on a voltage level of the first node.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: December 19, 2017
    Assignee: SK Hynix Inc.
    Inventors: Kyoung-Youn Lee, Sang-Ho Lee
  • Patent number: 9837675
    Abstract: Disclosed is a fuel supplying apparatus, for a direct carbon fuel cell, which has improved output density by ensuring the flow properties of an anode medium. The fuel supplying apparatus for a direct carbon fuel cell comprises: a flow pipe which forms it cylindrical flow path in the vertical direction around a tube-shaped cell contained in an anode medium in which a carbon fuel is mixed; and a bubbling means which provides a gas from below the flow pipe to the inside of the anode medium and thus enables the anode medium to flow by the vertical flow of the gas. Consequently, the anode medium is provided to the anode of the tube-shaped cell by the flow.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: December 5, 2017
    Inventors: Jun-Young Hwang, Heui-Seok Kang, Kyung-Tae Kang, Sang-Ho Lee
  • Publication number: 20170336660
    Abstract: Provided is a liquid crystal compound that can obtain a high-speed response and a sufficient contrast ratio in switching of a display device. A compound represented by formula (1) described below is utilized. In formula (1), ring A is naphthylene, phenantolylene or anthracenylene, and in the groups, at least one piece of hydrogen may be replaced by halogen, —CH3, —C2H5, —CF3, —CHF2, —CH2F, —OCF3, —OCHF2 or —OCH2F; and X1, X2, X3, X4, X5, Y1, Y2, Y3, Y4 and Y5 are independently hydrogen or fluorine, but at least two or more of X1, X2, X3, X4, X5, Y1, Y2, Y3, Y4 and Y5 is fluorine.
    Type: Application
    Filed: May 17, 2017
    Publication date: November 23, 2017
    Inventors: Keiki Kishikawa, Sang Ho Lee, Yasuyuki Sasada, Tokifumi Masukawa
  • Publication number: 20170335729
    Abstract: A slip-type active noise control muffler reducing exhaust noise of a vehicle may include at least two guides connected to an inner wall of a housing accommodating exhaust gas in the muffler and formed in a pipe shape in a longitudinal direction of the muffler, and a baffle positioned in a plane shape partitioning the interior of the housing and including an electromagnet on the plane shape to control an interval of the baffles through a movement signal by current applied to the electromagnet according to frequency calculated from the exhaust gas, in which the interval of the baffles may be controlled and the exhaust noise may be reduced by controlling the number of wavelengths depending on the frequency.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 23, 2017
    Applicant: Hyundai Motor Company
    Inventor: Sang-Ho Lee
  • Patent number: 9822252
    Abstract: Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: November 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung Hwan Lim, Jong Kuk Choi, Sang Ho Lee, Nam Jib Park, Soo Min Lee, Sung Ho Lee
  • Patent number: 9825269
    Abstract: A method for manufacturing a polyolefin separator, including forming a sheet including a polyolefin resin and a plasticizer; stretching the sheet E1 times in a longitudinal direction at a temperature of T1, followed by stretching the sheet E2 times in a transverse direction at a temperature of T2, wherein T1<115° C., T2<115° C., and T2?T1, and E1×E2=55 to 80, E1?7, and E2?7; and extracting the plasticizer from the stretched sheet.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kee Wook Kim, Sang Ho Lee, Yong Bae Lee, Jung Seong Lee, Jung Sue Jang, Jae Hyun Cho, Dae Hyun Hong
  • Publication number: 20170313610
    Abstract: A multi-stage submerged membrane distillation water treatment apparatus including: a plurality of raw water tanks arranged in multiple stages ranging from a first stage to an n-th stage and storing raw water, the raw water flowing sequentially from the first stage to the n-th stage; membrane distillation (MD) modules submerged in the respective raw water tanks and discharging a portion of the raw water as vapor; heat exchangers submerged in the respective raw water tanks and maintaining the raw water at a predetermined temperature by performing heat exchange between the raw water and vapor supplied from the respective previous-stage MD modules; a vapor generator generating and supplying high-temperature vapor to the first-stage heat exchanger; a condenser condensing vapor supplied by the n-th-stage MD module; and a raw water feeder feeding low-temperature raw water to the first-stage raw water tank via the condenser.
    Type: Application
    Filed: April 17, 2017
    Publication date: November 2, 2017
    Applicant: Kookmin University Industry Academy Cooperation Foundation
    Inventors: Sang-Ho LEE, Yong-Jun CHOI, Jin-Sik SOHN, Yong-Hyun SHIN, Ji-Hyeok CHOI
  • Patent number: 9799900
    Abstract: Disclosed is a fuel supplying apparatus, for a direct carbon fuel cell, which has improved output density by ensuring the flow properties of an anode medium. The fuel supplying apparatus for a direct carbon fuel cell comprises: a flow pipe which forms a flow path around a tube-shaped cell contained in an anode medium in which a carbon fuel is mixed; and a bubbling means which provides a gas from below the flow pipe to the inside of the anode medium and thus enables the anode medium to flow by the upward movement of the gas. Consequently, the carbon fuel is forcibly provided to the anode of the tube-shaped cell by the flow of the anode medium which is linked with the upward movement of the gas.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 24, 2017
    Inventors: Jun-Young Hwang, Kyung-Tae Kang, Heui-Seok Kang, Sang-Ho Lee
  • Publication number: 20170289518
    Abstract: Disclosed is a technology applicable to stereoscopic three-dimensional image content replaying. More particularly, a technology for alleviating user's discomfort, such as dizziness, or eye fatigue when using a stereoscopic three-dimensional display is disclosed. The apparatus for replaying content according to the present disclosure is at least temporarily by a computer and includes an operation unit that calculates a three-dimensional coordinate using gaze information obtained through gaze-tracking; an extraction unit that extracts a focal length corresponding to the calculated three-dimensional coordinate; and a processing unit that collects at least one of a perspective and a focus in a content for stereoscopic three-dimensional displays based on the calculated focal length.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 5, 2017
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Shi Ho KIM, Sang Ho LEE
  • Patent number: 9754673
    Abstract: A method of controlling a 3D non-volatile memory device includes initially leveling threshold voltages of the string selection transistors disposed in one or more of the plurality of memory layers to have a predetermined target level; applying a first time varying erase voltage signal having a first time varying section to a first plurality of channel lines of a first memory layer selected among the plurality of memory layers comprising the initially leveled string selection transistors; and setting threshold voltages of the initially leveled string selection transistors in the first memory layer by controlling each of the plurality of string selection lines respectively coupled with the initially leveled string selection transistors during the first time varying section of the first time varying erase voltage signal.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: September 5, 2017
    Assignees: SK HYNIX INC., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Byung Gook Park, Dae Woong Kwon, Do Bin Kim, Sang Ho Lee
  • Publication number: 20170226902
    Abstract: The present disclosure provides a hydraulic control valve for a valve timing adjusting device of an engine. The valve timing adjusting device has a hydraulic control valve; a housing; a rotor installed in the housing and having vanes forming advance, retard and locking chambers, respectively; and a locking pin member elastically installed at the locking chamber. In particular, the hydraulic control valve includes: a valve body connected to the camshaft and having ports and a spool space; an outer spool elastically installed in the spool space and having distribution ports selectively communicated with or disconnected to the ports of the valve body; and an inner spool that is integrally coupled to the outer spool and forms a supply passage connected to a working fluid pump and a drain passage connected to a drain tank together.
    Type: Application
    Filed: February 2, 2017
    Publication date: August 10, 2017
    Applicants: Hyundai Motor Company, KIA Motors Corporation, Delphi Powertrain Systems Korea Ltd., Pine Engineering Ltd.
    Inventors: Koun Young JANG, Sung Dae KIM, Sang Ho LEE, Jae Young KANG, Sung Hoon BAEK, Soo Deok AHN
  • Patent number: 9724336
    Abstract: Provided is a pharmaceutical composition for preventing or treating hyperlipidemia comprising (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-({2-[4-fluoro-2-methoxy-5-(propan-2-yl)phenyl]-5-(trifluoromethyl)phenyl}methyl)-4-methyl-1,3-oxazolidin-2-one or its pharmaceutically acceptable salt; and an angiotensin II receptor blocker as active ingredients.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 8, 2017
    Assignee: DAEWOONG PHARMACEUTICAL CO., LTD.
    Inventors: Jong-Wook Lee, Sang-Ho Lee, Taek-Joo Lim, Eun-Ji Koh
  • Publication number: 20170211432
    Abstract: Disclosed is an apparatus of adjusting valve timing for internal combustion engine configured to adjust at least one valve timing of an intake valve and an exhaustive valve by torque of a cam shaft and pressure of working fluid, and a method thereof. The method of the present disclosure is such that a rotor is embedded with a hydraulic control valve configured to operate a locking pin member, and the hydraulic control valve is so configured as to have various control positions in order to supply or discharge working fluid in response to engine emergency stop or start and normal engine operational state whereby locking and releasing operations are realized with accurate responsiveness and reliability due to smaller working fluid through a passage and an engine performance can be improved by adjusting the valve timing.
    Type: Application
    Filed: March 14, 2017
    Publication date: July 27, 2017
    Applicants: Delphi Powertrain Systems Korea Ltd., Pine Engineering Ltd.
    Inventors: KounYoung JANG, Sung Dae KIM, Sang Ho LEE, Jae Young KANG, Sung Hoon BAEK, Soo Deok AHN
  • Publication number: 20170204749
    Abstract: An oil drain structure of a valve timing adjusting device for an internal combustion engine is provided to adjust a valve timing of at least one of an intake valve and an exhaust valve by a torque of a cam shaft and a pressure of a working fluid. The oil drain structure of the valve timing adjusting device includes a rotation preventing means to suppress a position change between a rotor and a housing by regulating a relative rotation of the rotor with respect to the housing.
    Type: Application
    Filed: March 3, 2017
    Publication date: July 20, 2017
    Applicants: Hyundai Motor Company, KIA Motors Corporation, Delphi Powertrain Systems Korea Ltd., Pine Engineering Ltd.
    Inventors: Koun Young JANG, Sung Dae KIM, Sang Ho LEE, Jae Young KANG, Sung Hoon BAEK, Soo Deok AHN, Chung Han OH, YoungSam GU, Min Su PARK, Jae Gyu LEE
  • Publication number: 20170198140
    Abstract: The present invention relates to a modified poly(arylene ether) resin composition. More particularly, the present invention relates to a modified poly(arylene ether) resin composition including 10 to 40% by weight of a poly(arylene ether) resin, 30 to 70% by weight of a polyamide resin, 1 to 20% by weight of a polyolefin based resin, 1 to 10% by weight of a compatibilizer, and 1 to 20% by weight of an impact modifier, and a molded article manufactured using the same. The modified poly(arylene ether) resin composition according to the present invention exhibits reduction of property change due to moisture and provides low specific gravity and superior impact strength, heat resistance, and property balance.
    Type: Application
    Filed: February 12, 2016
    Publication date: July 13, 2017
    Inventors: Nam Jib PARK, Sang Ho LEE, Se Yeong JU, Soo Min LEE, Song Kuk CHOI, Sung Ho LEE
  • Publication number: 20170183985
    Abstract: The present disclosure provides a valve timing adjustment apparatus for an internal combustion engine. The apparatus includes an anti-rotation mechanism for inhibiting a position change between a rotor and a housing by inhibiting or preventing relative rotation of the rotor to the housing. The anti-rotation mechanism includes: a plurality of locking grooves formed on the ratchet plate with different depths and connected to each other; and a locking pin member having an outer pin elastically disposed in a fitting hole formed in one of the vanes, and an inner pin elastically disposed inside the outer pin. In particular, the inner pin locks the rotor to the housing when the outer pin and the inner pin are sequentially fitted in the locking grooves by torque from the camshaft.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 29, 2017
    Applicants: Hyundai Motor Company, KIA Motors Corporation, Delphi Powertrain Systems Korea Ltd., Pine Engineering Ltd.
    Inventors: Koun Young JANG, Sung Dae KIM, Sang Ho LEE, Jae Young KANG, Sung Hoon BAEK, Soo Deok AHN
  • Publication number: 20170183986
    Abstract: The present disclosure provides a locking structure of a valve timing adjustment apparatus for an internal combustion engine, using torque from a camshaft and the pressure of working fluid. The locking structure includes an anti-rotation mechanism for inhibiting or preventing a position change between a rotor and a housing by preventing relative rotation of the rotor to the housing. The anti-rotation mechanism further includes: a plurality of locking grooves which are formed on the ratchet plate with different depths and connected to each other; and a locking pin member. In particular, the locking pin member has: a hollow outer pin elastically disposed in a fitting hole formed in vanes, an inner pin elastically disposed inside the outer pin, and a lifter ring coupled to the upper portion of the outer pin to slide on the inner side of the fitting hole.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 29, 2017
    Applicants: Hyundai Motor Company, KIA Motors Corporation, Delphi Powertrain Systems Korea Ltd., Pine Engineering Ltd.
    Inventors: Koun Young JANG, Sung Dae KIM, Sang Ho LEE, Jae Young KANG, Sung Hoon BAEK, Soo Deok AHN