Patents by Inventor Kwang Park

Kwang 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).

  • Publication number: 20230230506
    Abstract: To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Young-Kwang PARK, Manabu SHINKE, Masaaki ITO
  • Publication number: 20230216342
    Abstract: In an embodiment, a wireless power transmitter is disclosed that includes a first field-effect transistor, a second field-effect transistor a coil and an analog front end. The wireless power transmitter is configured to drive the coil based at least in part on activations of the first and second field-effect transistors. The analog front end includes a first driver corresponding to the first field-effect transistor and being configured to control activation of the first field-effect transistor based at least in part on a pulse-width modulation signal and a second driver corresponding to the second field-effect transistor and being configured to control activation of the second field-effect transistor based at least in part on the pulse-width modulation signal.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 6, 2023
    Applicant: Renesas Electronics America Inc.
    Inventors: Gustavo James MEHAS, Tae Kwang PARK, Giovanni FIGLIOZZI
  • Patent number: 11645951
    Abstract: [Problem to be Solved by the Invention] To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. [Solution] An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 9, 2023
    Assignee: EBM CORPORATION
    Inventors: Young-Kwang Park, Manabu Shinke, Masaaki Ito
  • Publication number: 20220378783
    Abstract: The present invention relates to an antifungal composition containing a carbazole compound as an active ingredient. The carbazole compound according to the present invention inhibits the growth of not only Candida but also fungi such as yeast, and neutralizes the pathogenicity of Candida by inhibiting morphological transformation thereof. Thus, the carbazole compound is very useful as an antifungal composition capable of treating Candida infection.
    Type: Application
    Filed: October 16, 2020
    Publication date: December 1, 2022
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Joon KIM, Young Kwang PARK
  • Patent number: 11429215
    Abstract: An electroluminescent display device is provided. The device includes a substrate on which a display area displaying an image and a non-display area surrounding the display area are defined. The device includes a thin film transistor and a light-emitting diode disposed in the display area on the substrate and electrically connected to each other. The device further includes an encapsulation part covering the thin film transistor and the light-emitting diode, a touch sensor part on the encapsulation part, and first and second crack stoppers disposed in the non-display area on the substrate. The second crack stopper is disposed between the first crack stopper and the display area. The first crack stopper includes a first pattern that is formed through a same process as an electrode layer of the touch sensor part.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: August 30, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Heon-Kwang Park, Soon-Kwang Hong, Mardin Kwon
  • Publication number: 20220269160
    Abstract: A blankmask for extreme ultraviolet lithography includes a substrate, a reflective layer formed on the substrate, and a phase shift layer formed on the reflective layer. The phase shift layer contains niobium (Nb), and is made of a material containing one of tantalum (Ta), chromium (Cr), and ruthenium (Ru). A phase shift layer containing Nb and Ta has a relative reflectance of 5 to 20%, a phase shift layer containing Nb and Cr has a relative reflectance of 9 to 15%, and a phase shift layer containing Nb and Ru has a relative reflectance of 20% or more. The phase shift layer has a phase shift amount of 170 to 230°, and has a surface roughness of 0.5 nmRMS or less. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Application
    Filed: January 10, 2022
    Publication date: August 25, 2022
    Applicant: S&S TECH Co., Ltd.
    Inventors: Yong-Dae KIM, Chul-Kyu YANG, Min-Kwang PARK, Mi-Kyung WOO
  • Publication number: 20220236635
    Abstract: A blankmask for EUV lithography includes a substrate, a reflective layer, a capping layer, and a phase shift layer. The phase shift layer is made of a material containing ruthenium (Ru) and chromium (Cr), and a total content of ruthenium (Ru) and chromium (Cr) is 50 to 100 at %. The phase shift layer may further contain boron (B) or nitrogen (N). The phase shift layer of the present invention has a high relative reflectance (relative reflectance with respect to a reflectance of the reflective layer under the phase shift layer) with respect to a tantalum (Ta)-based phase shift layer and has a phase shift amount of 170 to 230°. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Application
    Filed: December 6, 2021
    Publication date: July 28, 2022
    Applicant: S&S TECH Co., Ltd.
    Inventors: Cheol SHIN, Yong-Dae KIM, Jong-Hwa LEE, Chul-Kyu YANG, Min-Kwang PARK, Mi-Kyung WOO
  • Publication number: 20220189343
    Abstract: To provide an artificial tissue model that can be more advantageously used in surgical technique training, as well as a method of fabricating the same. The present invention provides an artificial organ model for surgical training, the model containing a naturally grown or cultivated mushroom. The mushroom forming the raw material is shaped, colored, and subjected to a softening treatment to fabricate an artificial organ that imitates or reproduces all or part of an organ to be modeled, such as the brain, the liver, the heart, a blood vessel, the neck, the chest, the abdomen, the arm, the thigh, a ureter, a nerve, a lymphatic vessel, the intestinal tract, or the like.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 16, 2022
    Inventor: Young-Kwang PARK
  • Publication number: 20220162069
    Abstract: The present disclosure relates to a standalone precursor for synthesizing nanomaterials, which is capable of effectively mass-producing nanomaterials, and an apparatus for synthesizing nanomaterials using the same.
    Type: Application
    Filed: September 9, 2021
    Publication date: May 26, 2022
    Inventors: Jae Woo KIM, Eun Kwang PARK, Jae Hoon KIM, Ji Seung KIM, Tae Hyun Jung
  • Publication number: 20220098338
    Abstract: The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seok Hwan Kim, Hyunsup Lee, Seong Min Chae, Taejin Kim, Dae Sik Hong, Sang Jin Jeon, Hee Kwang Park
  • Publication number: 20220055900
    Abstract: According to an embodiment of the present disclosure, mass production is possible and production time may be reduced, thus increasing yield. Furthermore, a method and apparatus for manufacturing a nanomaterial, which can manufacture a high-purity nanomaterial are disclosed.
    Type: Application
    Filed: March 22, 2021
    Publication date: February 24, 2022
    Inventors: Jaewoo KIM, Eun Kwang PARK, Jae Hoon KIM
  • Patent number: 11248072
    Abstract: The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 15, 2022
    Inventors: Seok Hwan Kim, Hyunsup Lee, Seong Min Chae, Taejin Kim, Dae Sik Hong, Sang Jin Jeon, Hee Kwang Park
  • Patent number: 11243740
    Abstract: Disclosed is an electronic device. The electronic device comprises: a display; a storage unit for storing an application for integrally controlling a plurality of speakers operating on the basis of different wireless solutions; and a processor for driving the application according to a preset event. The application is capable of providing, through the display, a list containing identification information for the plurality of speakers, and providing, through the display, a UI screen including a function which is commonly provided to the different wireless solutions when one of the plurality of speakers is selected.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Han-ki Kim, Hae-kwang Park, Young-suk Song, Jun-ho Sohn
  • Patent number: 11198779
    Abstract: The present invention relates to a propylene-butene copolymer resin composition used for non-woven fabric, a method of preparing the same, and spunbond non-woven fabric manufactured using the composition, and particularly, by optimizing a content of 1-buttene in a metallocene polypropylene resin composition to 0.5 to 5.0 wt %, while simultaneously optimizing both of a melt index and a residual stress ratio of the resin composition, has a merit of having a reduced modulus together with a high conversion rate to manufacture non-woven fabric which is softer than existing products while maintaining high strength.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 14, 2021
    Inventors: Hee Kwang Park, Kyung Seop Noh, Sang Jin Jeon, Hyunsup Lee, In Sun Lee, Jin Hyun Park, Changkwon Chung
  • Publication number: 20210363011
    Abstract: The present disclosure provides a method for producing a boron nitride nanotube by heating a boron precursor, and an apparatus therefor. According to an embodiment, a method of producing a boron nitride nanotube includes: inserting several reaction modules each accommodating a holding rod disposed through at least one precursor block into a supply chamber disposed at a front end of a reaction chamber; conveying N reaction modules of the several reaction modules inserted in the supply chamber to a reaction zone of the reaction chamber; growing a boron nitride nanotube in the precursor block by operating the reaction zone for a predetermined time, in the reaction chamber; and conveying the N reaction modules from the reaction chamber to a discharge chamber disposed at a rear end of the reaction chamber after the predetermined time passes. Accordingly, it is possible to maximize the yield and productivity of BNNTs.
    Type: Application
    Filed: October 14, 2020
    Publication date: November 25, 2021
    Inventors: Jaewoo KIM, Eun Kwang PARK, Jae Hoon KIM
  • Patent number: 11158386
    Abstract: A memory system includes a memory device including a plurality of memory cells, and a controller configured to access the plurality of memory cells. The controller includes a data read block configured to read first data from one or more pages included in first memory cells, determine a target memory cell subject to a compensation based on the first data, and read second data from one or more pages of second memory cells adjacent to the target memory cell, and an equalizer configured to convert the second data into symbol interfering data, check a probability of the first data from a lookup table according to the symbol interfering data, and determine the compensation on the first data based on the probability.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: October 26, 2021
    Assignees: SK hynix Inc., Korea Advanced Institute of Science and Technology
    Inventors: Suk Kwang Park, Jaekyun Moon, Minsu Choi
  • Publication number: 20210295743
    Abstract: [Problem to be Solved by the Invention] To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. [Solution] An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.
    Type: Application
    Filed: April 1, 2019
    Publication date: September 23, 2021
    Inventors: Young-Kwang PARK, Manabu SHINKE, Masaaki ITO
  • Publication number: 20210280621
    Abstract: The present invention relates to an optical disc capable of positioning a fingerprint recognition region in a screen of a display, and an optical filter comprising same. The optical disc according to the present invention comprises a light absorption layer, which transmits light in a green region of visible light to increase a fingerprint recognition rate and effectively absorbs light in a red region so as to suppress a phenomenon in which the fingerprint recognition region in the screen of the display appears in red.
    Type: Application
    Filed: July 1, 2019
    Publication date: September 9, 2021
    Inventors: Jeong Og CHOI, Jin Hwan KIM, Young Soo AN, Seon Ho YANG, Tae Kwang PARK, Woo Joo LAH
  • Patent number: 11111323
    Abstract: The present invention relates to homopolypropylene resin for non-woven fabric, and according to the present invention, by optimizing tacticity to 80% to 90%, having narrow molecular weight distribution of 2.4 or less, and fulfilling melt index of 20 g/10 min to 30 g/10 min, melting point of 145° C. or less, and residual stress rate of 0.05% or less, thereby optimizing modulus, high strength non-woven fabric that is softer than the existing products, and is not easily torn due to high tenacity, can be prepared.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: September 7, 2021
    Inventors: Hee Kwang Park, Byung Seok Kim, Kyung Seop Noh, Sang Jin Jeon, Seong Min Chae
  • Patent number: 11077434
    Abstract: A method of preparing a high-purity metallocene catalyst capable of providing various selectivities and high activities for polyolefin copolymers, wherein a metallocene compound is formed by reacting a ligand compound with a zirconium compound, and then lithium chloride as a reaction by-product included in the metallocene compound is prepared in a form of a complex compound and effectively removed in a subsequent step of extracting the catalyst, thereby effectively preparing the high-purity metallocene catalyst, is provided.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: August 3, 2021
    Inventors: Hee Kwang Park, Hye Kyung Lee, Byung Seok Kim, Jae Youp Cheong, Sang Jin Jeon