Patents by Inventor Hyun Ryu

Hyun Ryu 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).

  • CYLINDRICAL TYPE SECONDARY BATTERY
    Publication number: 20210159573
    Abstract: An electrode assembly including a negative electrode sheet, a positive electrode sheet, and a separator, wherein the separator may be disposed at an outermost side of the electrode assembly, an electrode tab disposed further inside than the separator may be attached to one of the negative electrode sheet and the positive electrode sheet, and a metal layer disposed between the electrode tab and the separator may include an adhesive material.
    Type: Application
    Filed: August 12, 2019
    Publication date: May 27, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jeeeun KIM, Namwon KIM, Duk Hyun RYU
  • Method of and device for managing applications
    Patent number: 11016637
    Abstract: A device for managing applications installed on the device and a method thereof are provided. The device includes a controller configured to obtain driving information of the applications in response to the applications being executed, and determine an application satisfying an uninstall condition, among the applications, based on the driving information. The device further includes an interface configured to change a display of an object indicating the determined application, based on the uninstall condition.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun Ryu, Yong-gook Park, Jang-woo Lee, Jae-young Lee, Jae-ho Jung, Yang-wook Kim
  • Overcoat compositions and methods for photolithography
    Patent number: 11016388
    Abstract: Topcoat compositions are provided that are suitably applied above a photoresist composition. Preferred topcoat compositions comprise a first polymer comprising first units comprising a reactive nitrogen-containing moiety spaced from the polymer backbone, wherein the nitrogen-containing moiety produces a basic cleavage product during lithographic processing of the photoresist composition.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: May 25, 2021
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Chang-Young Hong, Eui Hyun Ryu, Min-Kyung Jang, Dong-Yong Kim
  • VOID BUSH FOR VEHICLE SUSPENSION
    Publication number: 20210138859
    Abstract: A void bush for a vehicle suspension includes: inside bumps formed in an inside stopper and outside bumps formed in an outside stopper. In particular, the inside bumps and the outside bumps are configured to cross perpendicularly to each other to allow the inside bumps and the outside bumps to be brought into point-contact with each other during behavior of the suspension. The inside bumps are not arranged in parallel to each other and the outside bumps are not arranged in parallel to each other. Accordingly, contact area between the inside bumps and the outside bumps is greatly reduced and contact abrasion positions therebetween are diversified so that durability and lifespan of the void bush are improved.
    Type: Application
    Filed: November 4, 2020
    Publication date: May 13, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dae Un SUNG, Kyung Jung HWANG, Yong Hyun RYU, Hee Jung LEE, Tae Hee LEE, Se Young KIM, Jin Wook PARK, Seong Jun HEO
  • Mask-type nasal cannula
    Patent number: 10980964
    Abstract: A nasal cannula according to an embodiment of the present invention includes: an oxygen supplying portion which forms a space inside in which a nose and a mouth of a user can be disposed and is able to supply oxygen in a state of being put on by the user into the nose of the user; and a mask portion to which the oxygen supplying portion is attached in a detachable manner therein and is configured to be put on a face of the user. Since a space in which a nose and a mouth of a user can be disposed is provided inside the oxygen supplying portion so that a user can put on the nasal cannula in a convenient state and the oxygen supplying portion is put on in a state of being supported by the mask portion, oxygen can be supplied into the nose of the user and at the same time external air can be filtered.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: April 20, 2021
    Assignee: Sogang University Research Foundation
    Inventors: Tae-Soo Lee, Seung Kwon Oh, Seung Hyun Ryu, Bong Kwan Son, Sung Hun Ha, Dong Min Shin, Yong Sang Shin
  • Electronic device and method of charging a battery using a plurality of charging circuitry in the electronic device
    Patent number: 10971942
    Abstract: An electronic device including: a housing, a battery mounted within the housing, a power interface disposed to or within the housing and configured to receive power from an external power source wirelessly or through a wire, and a circuit configured to electrically connect the battery and the power interface. The circuit includes a first electrical path configured to supply a first part of a current supply from the power interface to the battery, and a second electrical path configured to supply a second part of the current supply from the power interface to the battery and connected to the battery in parallel to the first electrical path. The circuit is configured to selectively control the current supply to the battery via the second electrical path at least partially based on at least one of a charge level of the battery or a signal from a sensor disposed in the housing.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 6, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, Sang-Hyun Ryu, Chul-Woo Park, Sung-Geun Yoon
  • LOW-DENSITY POLYURETHANE FOAM COMPOSITION AS SOUND-ABSORBING MATERIAL HAVING IMPROVED APPEARANCE FORMABILITY, SMELL REDUCTION AND SOUND ABSORPTION PERFORMANCE, METHOD FOR MANUFACTURING POLYURETHANE FOAM AND POLYURETHANE FOAM MANUFACTURED THEREFROM
    Publication number: 20210095089
    Abstract: Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.
    Type: Application
    Filed: August 24, 2020
    Publication date: April 1, 2021
    Applicants: HYUNDAI MOTOR COMPANY, Kia Motors Corporation, PIUSYS CO., LTD., NVH KOREA, INC.
    Inventors: Jung Wook LEE, Se Hoon KIM, Ji Wan KIM, Jin Hyung LEE, Seong Je KIM, Dae Yong KIM, Jong Hyun RYU, Myung Sik LEE, Min Seo WU
  • Bucket tooth of excavator
    Patent number: 10954656
    Abstract: A tooth for a bucket of an excavator includes a point body having a hollow insertion recess and having a pair of coupling holes provided at positions facing each other on the opposite sides, and a pair of connection units respectively inserted into the pair of coupling holes and having a unit body and a protrusion protruding from the unit body, wherein the point body includes: a guide portion positioned in each of the coupling holes and guiding a rotational operation of the protrusion, a fixing portion fixing a position of each of the inserted connection unit, a buffer portion positioned between the fixing portion and an inner surface of the point body and surrounding the fixing portion, and a support where the fixing portion and the buffer portion are positioned.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: March 23, 2021
    Assignee: SUNGBO INDUSTRIAL CO., LTD.
    Inventors: Keun Chul Song, Dae Hyun Ryu, Chang Woo Lim, Hwa Yong Shin, Ryun Han Lee
  • Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereof
    Patent number: 10941467
    Abstract: Provided is a cold-rolled steel sheet, a galvanized steel sheet and a galvannealed steel sheet, comprising, by wt %, 0.06-0.15% of C, 1.2% or less (excluding 0%) of Si, 1.7-2.7% of Mn, 0.15% or less (excluding 0%) of Mo, 1.0% or less (excluding 0%) of Cr, 0.1% or less (excluding 0%) of P, 0.01% or less (excluding 0%) of S, 0.001-0.04% of Ti, 0.001-0.04% of Nb, 0.01% or less (excluding 0%) of N, 0.01% or less (excluding 0%) of B, and a remainder of Fe and unavoidable impurities, wherein the Si, C, Mn, Mo and Cr contents satisfy Relationship 1, and wherein a microstructure comprising, in area %, 10-70% of ferrite, 10-50% of the sum of bainite and retained austenite, and a remainder of fresh martensite, wherein a ratio (Mb/Mt) is 60% or more, and methods of manufacturing these steel sheets. ([Si]+[C]×3)/([Mn]+[Mo]+[Cr])?0.18.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 9, 2021
    Assignee: POSCO
    Inventors: Chang Hyo Seo, Yeon Sang Ahn, Joo Hyun Ryu, Kyoo Young Lee, Won Pyo Hong
  • Method and device for providing recommendation panel, and method and server for providing recommendation item
    Patent number: 10943260
    Abstract: A method and device which provide a recommendation to a user based on the type of device are provided. The device includes: a user input which is configured to receive a user touch input, a communicator which is configured to transmit a recommendation item request including identification information of the device to a server in response to the user touch input and receive at least one recommendation item selected based on the identification information of the device from the server; a display which is configured to display a recommendation panel including the received at least one recommendation item; and a controller which is configured to control the communicator to receive the at least one recommendation item and control the display to display the recommendation panel.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-young Choi, Nam-wook Kang, Jong-hyun Ryu, Hee-chul Jeon, Sang-ok Cha
  • Charge control method and electronic device based on voltage of battery
    Patent number: 10928875
    Abstract: Disclosed is an electronic device including a battery; an interface that receives an external power; a system circuit including a processor; and a power management circuit, wherein the power management circuit is configured to detect an input of the external power through the interface; identify a voltage of the battery in response to the detection of the input of the external power; when the voltage of the battery belongs to a first designated voltage range, avoid charging the battery using the input external power and supply the input external power to the system circuit; and when the voltage of the battery belongs to a second designated voltage range, charge the battery using at least some of the input external power.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: February 23, 2021
    Inventors: Ku-Chul Jung, Chui-Woo Park, Sang-Hyun Ryu, Min-Jung Park, Jeong-Ho Lee, Chi-Hyun Cho
  • SECONDARY BATTERY AND DEVICE INCLUDING THE SAME
    Publication number: 20210050637
    Abstract: A secondary battery is provided. The secondary battery includes an electrode assembly including a negative electrode sheet, a positive electrode sheet, and a separation membrane; and a heat radiation tape disposed at an external circumferential surface of the electrode assembly. The heat radiation tape includes a heat diffusion layer, and the heat diffusion layer includes at least one of graphite and a metal foil.
    Type: Application
    Filed: September 11, 2019
    Publication date: February 18, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Hyoung Kwon KIM, Jeeeun KIM, Hayoung HEO, Duk Hyun RYU, Pil Kyu PARK, Namwon KIM
  • Wearable device for transmitting a message comprising strings associated with a state of a user
    Patent number: 10924147
    Abstract: A wearable device worn on a body of a user is provided. The wearable device includes a sensing unit configured to sense state information of the user, a touch input unit configured to receive a touch input from the user, a controller configured to select at least one of a plurality of strings based on the state information when the touch input is received, a display configured to display the selected at least one string, and a communicator configured to transmit a message including the at least one string to a receiver device.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: February 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-hyun Kim, Han-joo Chae, Hyun-soo Nah, Jong-hyun Ryu
  • Combo type antenna module
    Patent number: 10923807
    Abstract: The present invention relates to a combo type antenna module capable of maximizing performance of all antennas while minimizing a thickness of the antenna module by laminating a magnetic sheet having different thicknesses according to an antenna pattern formed on a base sheet. The combo type antenna module includes: a first antenna pattern formed on one surface and the other surface of the base sheet; a second antenna pattern formed on one surface of the base sheet; and a magnetic member laminated on the other surface of the base sheet, wherein the magnetic member is formed so that a thickness of a region corresponding to the second antenna pattern is formed thicker than that of a region corresponding to the first antenna pattern.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 16, 2021
    Assignee: AMOTECH CO., LTD.
    Inventors: Beom-Jin Kim, Hyung-Il Baek, Kyung-Hyun Ryu
  • Method for producing an anode for a lithium metal secondary battery including a MXene thin film
    Patent number: 10923725
    Abstract: A method for producing an anode for a lithium metal secondary battery includes coating a thin film comprised of Nb2C, Ti2C or Ti3C2 on a substrate; providing a lithium metal electrode; and laminating the thin film to a surface of the lithium metal electrode. Coating is accomplished by providing a dispersion of a powder comprising Nb2C, Ti2C or Ti3C2; and coating the dispersion on the substrate by Langmuir-Blodgett scooping (LBS). The method may further include, prior to providing the dispersion, obtaining the powder by etching a MAX phase structure represented by Formula 1, Formula 2 or Formula 3 below: Nb2AC??(1); Ti2AC??(2); and Ti3AC2??(3), where A is a metal selected from among Group IIIA elements, Group IVA elements, Cd, and combinations thereof. The method may further include, after laminating the thin film, removing the substrate from the thin film.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: February 16, 2021
    Assignee: Korea Institute of Science and Technology
    Inventors: Won Il Cho, Mun Sek Kim, Ji Hyun Ryu, Seung Hun Lee
  • Ultra high-strength and high-ductility steel sheet having excellent yield ratio and manufacturing method therefor
    Patent number: 10907230
    Abstract: Provided is an ultrahigh-strength steel sheet for a vehicle and, more specifically, to an ultrahigh-strength and high-ductility steel sheet having excellent yield ratio and a manufacturing method therefor. Provided is an ultrahigh-strength and high-ductility steel sheet for cold press forming and a manufacturing method therefor, the steel sheet ensuring ultrahigh strength and high ductility since an alloy component of steel and manufacturing conditions are controlled and, simultaneously, having excellent impact characteristics due to a high yield strength ratio (yield ratio). Provided is the steel sheet capable of satisfying formability and impact stability, which are required for a vehicle steel sheet for cold forming, and replacing a conventional steel sheet for hot press forming, thereby reducing manufacturing costs.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: February 2, 2021
    Assignees: POSCO, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Joo-Hyun Ryu, Nack-Joon Kim, Sung-Hak Lee, Won-Hwi Lee, Kyoo-Young Lee, Sea-Woong Lee
  • SECONDARY CYLINDRICAL BATTERY HAVING PIEZOELECTRIC ELEMENT AND THERMOELECTRIC ELEMENT
    Publication number: 20210021005
    Abstract: A cylindrical rechargeable battery including a positive electrode, a negative electrode, and a separator is provided. The positive electrode includes a positive electrode tab, and a piezoelectric element and a thermoelectric element are formed at edges of the positive electrode tab.
    Type: Application
    Filed: November 13, 2019
    Publication date: January 21, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Minkyung KIM, Sora LEE, Duk Hyun RYU
  • ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME
    Publication number: 20210021004
    Abstract: A jelly-roll type of electrode assembly in which a negative electrode sheet, a positive electrode sheet, and a separation membrane interposed between the negative electrode sheet and the positive electrode sheet are wound together is provided. The electrode assembly also includes: at least one electrode tab attached to the negative electrode sheet or the positive electrode sheet and at least a portion extending outside; and a heat radiation tape adhered to the electrode.The electrode tab to which the heat radiation tape is adhered is positioned between the center part of the wound electrode assembly and an external circumferential surface, or on the external circumferential surface, the heat radiation tape includes a heat diffusion layer, and the heat diffusion layer includes at least one of graphite and a metal foil.
    Type: Application
    Filed: September 11, 2019
    Publication date: January 21, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Hyoung Kwon KIM, Duk Hyun RYU, Jeeeun KIM, Hayoung HEO
  • FIBER FOR SOUND-ABSORBING MATERIAL FOR VEHICLES AND SOUND-ABSORBING MATERIAL FOR VEHICLES INCLUDING THE SAME
    Publication number: 20210010164
    Abstract: Disclosed are a fiber for a sound-absorbing material for vehicles and a sound-absorbing material for vehicles including the same. The cross-section of the fiber for a sound-absorbing material includes a first end portion, a second end portion spaced apart from the first end portion, and an intermediate portion connected to the first end portion and the second end portion. The intermediate portion includes at least three bent portions. Each of the first end portion and the second end portion has a width larger than the width of the intermediate portion.
    Type: Application
    Filed: June 16, 2020
    Publication date: January 14, 2021
    Inventors: Jung Wook Lee, Seong Je Kim, Ji Wan Kim, Tae Yoon Kim, Jong Hyun Ryu, Myung Sik Lee, Hee Koo Woo
  • MEMORY DEVICE INCLUDING A CONDUCTIVE PLATE WITH A SHIELDING REGIOIN
    Publication number: 20200413528
    Abstract: Provided is a memory device. The memory device includes a module board on which one or more semiconductor devices are disposed and a conductive plate mounted on a first side of the module board. The conductive plate includes a shielding region and a non-shielding region. A pad is disposed in the shielding region of the conductive plate.
    Type: Application
    Filed: March 18, 2020
    Publication date: December 31, 2020
    Inventors: Chung Hyun Ryu, In Sub Kwak, Min Woo Gu