Patents by Inventor Ji-hoon Park

Ji-hoon Park 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: 10321227
    Abstract: An electronic device includes a housing including a head part that is rotatable, a plurality of microphones disposed in the head part, a sensor for detecting a rotation angle of the head part, a memory storing data classifying feature parameters for each of the plurality of microphones according to a plurality of rotation angles, a motor configured to rotate the head part; and a processor. The processor implements the method, including when detecting sound by the plurality of microphones originating from a sound source, driving the motor to rotate the head part until a designated portion of a surface of the head part is facing the sound source, and when the designated portion of the surface is facing the sound source, adjusting feature parameters for each the plurality of microphones based on the classified feature parameters and a current angle of the head part.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: June 11, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Kwi Kim, Eun Young Kim, Dong Kyu Lee, Ja Min Goo, Ki Young Kwon, Ki Won Kim, Ji Min Kim, Hyung Woo Kim, Joo Namkung, Je Heon Park, Sae Gee Oh, Seong Hoon You, Yong Ju Yu, Im Sung Lee, Chan Won Lee, Si Hak Jang
  • Publication number: 20190166326
    Abstract: A broadcast receiving for updating service map information by scanning the broadcast signal when signaling information included in a broadcast signal has been changed.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yeon PARK, Ji Eun PARK, Dong Hoon KANG, Jin Hwa JANG
  • Patent number: 10301541
    Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2?x?3, and a compositional ratio y of F satisfies 4?y?7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
  • Publication number: 20190150378
    Abstract: A method for promoting growth and bioactive substances of Crepidiastrum denticulatum including performing a stress treatment on Crepidiastrum denticulatum during cultivation thereof, in which the stress treatment includes at least of applying visible light, drying, exposing to low temperature, irradiating ultraviolet rays, and applying a chemical elicitor.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 23, 2019
    Applicants: Seoul Viosys Co., Ltd., Industry-University Cooperation Foyndation of Chungbuk National University
    Inventors: Myung Min OH, Song Yi PARK, Jin Hui LEE, Ji Hoon BAE, Jong Hyun KOO
  • Publication number: 20190146296
    Abstract: Disclosed is a variable optical attenuator. The variable optical attenuator includes an electrochromic device having a reflective property or a transflective property, a lens configured to convert input light to focused light or collimated light and input the focused light or the collimated light to the electrochromic device, and an outputter configured to output light reflected from the electrochromic device, in which the electrochromic device is configured to attenuate an intensity of the input light by controlling a reflectivity and a transmissivity of the input light based on an element included in the electrochromic device and a voltage to be applied to the electrochromic device.
    Type: Application
    Filed: March 12, 2018
    Publication date: May 16, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: CHAN IL YEO, Dong Hoon SON, Hyun Seo KANG, Keo-Sik KIM, Kyeeun KIM, Sung Chang KIM, Ji Hyoung RYU, Gi Hyeon MIN, Si Woong PARK, Hyoungjun PARK, Dongsoo LEE, Young Soon HEO
  • Patent number: 10290859
    Abstract: Provided are a method of preparing a composition for forming a positive electrode of a lithium secondary battery which includes preparing a first dispersed solution by primary dispersion of a conductive agent and a dispersant in a solvent, preparing a second dispersed solution by adding binder powder to the first dispersed solution and performing secondary dispersion, and adding and mixing a positive electrode active material to the second dispersed solution, and a positive electrode and a lithium secondary battery which are prepared by using the composition. A composition for forming a positive electrode of a lithium secondary battery, which has improved dispersibility, may be prepared by the above method, and internal resistance of the battery may be reduced and output characteristics may be improved when a positive electrode is prepared by using the composition.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: May 14, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Ji Yeon Kim, Taek Soo Lee, Jun Soo Park, Sang Hoon Choy
  • Publication number: 20190139613
    Abstract: A non-volatile memory device includes an output driver to output a data signal. The output driver includes a pull-up driver and a pull-down driver. The pull-up driver includes a first pull-up driver having a plurality of P-type transistors and a second pull-up driver having a plurality of N-type transistors. The pull-down driver includes a plurality of N-type transistors. One or more power supply voltages having different voltage levels are selectively applied to the pull-up driver. A first power supply voltage is applied to the first pull-up driver, and a second power supply voltage is applied to the second pull-up driver.
    Type: Application
    Filed: July 30, 2018
    Publication date: May 9, 2019
    Inventors: Ji-yeon SHIN, Jeong-don IHM, Byung-hoon JEONG, Jung-june PARK
  • Publication number: 20190139771
    Abstract: To manufacture an integrated circuit device, a diffusion buffer layer and a carbon-containing layer are sequentially formed on a plurality of fin-type active regions formed in a substrate. A carbon-containing mask pattern is formed to have an opening exposing a portion of the diffusion buffer layer by etching the carbon-containing layer using an etching gas including an oxygen atom while the diffusion buffer layer is blocking oxygen from diffusing into the fin-type active regions. Impurity ions are implanted into some fin-type active regions through the opening and the diffusion buffer layer using the carbon-containing mask pattern as an ion-implantation mask, the some fin-type active regions being selected from among the plurality of fin-type active regions.
    Type: Application
    Filed: July 17, 2018
    Publication date: May 9, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-woo Kang, Ji-ho Yoo, Dong-hoon Khang, Seon-bae Kim, Moon-han Park
  • Publication number: 20190107742
    Abstract: The liquid crystal film cell of the present application can control expansion of a base film at a high temperature by applying an expansion control layer having a high-temperature expansion coefficient different from that of the base film thereto, thereby effectively maintaining a cell gap at a high temperature, whereby high-temperature durability can be improved and gravity defects can be eliminated.
    Type: Application
    Filed: November 27, 2017
    Publication date: April 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Seong Min Lee, Ji Hoon Park
  • Patent number: 10243567
    Abstract: A flip-flop includes a conditional boosting stage, a pulse generator and a latch. The conditional boosting stage includes a boosting capacitor, and is configured to pre-charge the boosting capacitor in accordance with a previous output signal and boost a node connected to the boosting capacitor upon a level the previous output signal being different from a level of a current input signal. The pulse generator is configured to generate a pulsed signal in accordance with transitions of a clock signal. The latch configured is to latch the current input signal to a current output signal in accordance with the pulsed signal.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: March 26, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun Kong, Ji Hoon Park
  • Publication number: 20190076826
    Abstract: The present invention relates to a Ru—Pd bimetallic catalyst for use in hydrogenation of a compound, and more particularly to a catalyst prepared by loading both ruthenium and palladium on a g-C3N4 support and to a selective hydrogenation process of a pyridine group in a reaction system containing both a pyridine group and a benzene group using the catalyst.
    Type: Application
    Filed: August 22, 2018
    Publication date: March 14, 2019
    Inventors: Ji Hoon PARK, Kwan Yong JEONG, Soo Min KIM, Tae Sun CHANG, Iljeong HEO
  • Publication number: 20190013206
    Abstract: A semiconductor device includes a substrate having a first region and a second region, the first region including memory cells, and the second region including transistors for driving the memory cells, and device isolation regions disposed within the substrate to define active regions of the substrate. The active regions include a first guard active region surrounding the first region, a second guard active region surrounding a portion of the second region, and at least one dummy active region disposed between the first guard active region and the second guard active region.
    Type: Application
    Filed: December 18, 2017
    Publication date: January 10, 2019
    Inventors: Ji Hoon PARK, Joong Shik SHIN, BYOUNG IL LEE, Jong Ho WOO, Eun Taek JUNG, Jun Ho CHA
  • Publication number: 20190009253
    Abstract: The present invention provides a solid-phase catalyst for decomposing hydrogen peroxide comprising a permanganate salt and a manganese (II) salt. The solid-phase catalyst stays a solid state in the form of nanoparticles at the time of hydrogen peroxide decomposition, and thus can be recovered for reuse and also has an excellent decomposition rate. In the method for producing a solid-phase catalyst for decomposing hydrogen peroxide according to the present invention, a solid-phase catalyst is produced from a solution containing a permanganate salt, a manganese (II) salt, and an organic acid, so that the produced solid-phase catalyst is precipitated as a solid component even after a catalytic reaction, and thus is reusable and environmentally friendly, and cost reduction can be achieved through the simplification of a catalyst production technique.
    Type: Application
    Filed: January 13, 2017
    Publication date: January 10, 2019
    Inventors: Iljeong HEO, Jeong Kwon SUH, Beom Sik KIM, Tae Sun CHANG, Yun Ho JEONG, Ji Hoon PARK, Soo Min KIM, Ji Na CHOI
  • Publication number: 20180372549
    Abstract: The present invention relates to the time-temperature indicating module which allows the user to trigger the bursting of the starting member with a simple motion and generate a crack so that the spread material interposed inside spreads via the crack. The present invention also relates to the manufacturing method of the time-temperature indicating module that strengthens a sealed section of the time-temperature indicating module using laminating by heat sealing to prevent the spread material from leaking or flowing out.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 27, 2018
    Applicant: TTI CO., LTD.
    Inventors: Bong-Soo KWON, Ji-Hoon PARK, Young-Suk JEON, Guan-O LEE, Byeong-Han LIM, Jin-Hee JUNG, Cheong-Hoon CHO
  • Publication number: 20180367148
    Abstract: A flip-flop includes a conditional boosting stage, a pulse generator and a latch. The conditional boosting stage includes a boosting capacitor, and is configured to pre-charge the boosting capacitor in accordance with a previous output signal and boost a node connected to the boosting capacitor upon a level of the previous output signal being different from a level of a current input signal. The pulse generator is configured to generate a pulsed signal in accordance with transitions of a clock signal. The latch configured is to latch the current input signal to a current output signal in accordance with the pulsed signal.
    Type: Application
    Filed: June 18, 2018
    Publication date: December 20, 2018
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun KONG, Ji Hoon PARK
  • Patent number: 10150447
    Abstract: An image storage device based on an input sound signal comprises: an acceleration sensor unit for outputting an acceleration sensor value according to an impact event; a microphone unit for receiving an input of an impact sound according to the impact event; a camera unit for photographing an external image; and a processing unit for, if an impact event is sensed by the acceleration sensor unit and the impact sound inputted by the microphone unit corresponds to a valid sound which is previously set and stored, storing, in a storage unit, the images photographed by the camera unit in a certain time period both before and after the point in time when the impact event occurred.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: December 11, 2018
    Assignee: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION
    Inventors: Jin Young Yang, Ji Hoon Park, Jin Yeon Lim, Chong Min Kyung
  • Publication number: 20180337219
    Abstract: Disclosed is an electronic device including a housing, a display panel, and an image sensor. The display panel includes a first polarization layer that causes light input from outside the electronic device to oscillate in a first direction as a first linearly-polarized light, a first retardation layer disposed below the first polarization layer and causing at least a portion of the first linearly-polarized light to oscillate as a circularly-polarized light, a substrate layer disposed below the first retardation layer and passing at least a portion of the circularly-polarized light, and a protection layer disposed below the substrate layer and protecting at least a portion of the substrate layer by covering the portion of the substrate layer.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Inventors: Bong Jae Rhee, Song Hee Jung, Hyun Chang Shin, Hyun Woo Kim, Ji Hoon Park, Ji Hun Heo
  • Patent number: 10120551
    Abstract: Provided are a method and device for displaying content. The method includes: receiving, by a device, a setting input for reference content while content is displayed on a screen; displaying, on the screen of the device, a division line indicating division of the content included in a page that received the setting input; receiving a selection input on content divided based on the division line; and setting, as the reference content, the content selected based on the selection input.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Ji-hoon Park
  • Patent number: 10113119
    Abstract: The present invention relates to a monolith catalyst for reforming reaction, and more particularly, to a thermally stable (i.e. thermal resistance-improved) monolith catalyst for reforming reaction having a novel construction such that any one of Group 1A to Group 5A metals are used as a barrier component in the existing catalyst particles to inhibit carbon deposition occurring during the reforming reaction in a process for formation of a reforming monolith catalyst while improving thermal durability as well as non-activation of the catalyst due to a degradation.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 30, 2018
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Il Jeong Heo, Young Woo You, Ji Hoon Park, Jung Hyun Park, Tae Sun Chang, Beom Sik Kim, Jeong Kwon Suh
  • Patent number: 10107412
    Abstract: The present invention relates to an oil pump control valve that can linearly control the pressure of oil by resolving the internal residual pressure thereof and can be mounted on the exterior of a cylinder block, thereby enhancing maintenance efficiency. The oil pump control valve comprises a valve that controls the entrance and exit of oil and a solenoid that operates the valve.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: October 23, 2018
    Assignee: UNICK CORPORATION
    Inventors: Chang-Hoon Lee, Kuk-Chan Moon, Ji-Hoon Park, Mun-Hak Kim