Patents by Inventor Chul Min Park

Chul Min 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: 11961223
    Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 16, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SOOKMYUNG WOMEN'S UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jong Ho Park, Chang Gon Kim, Chul Woo Jung, Sang Min Lee, Min Kyoo Kang, Ji Un Lee, Kwang Hyeon Hwang, Nam Woo Kang, So Young Yoo, Seong Sin Kim, Sung Hee Lee
  • Publication number: 20220339724
    Abstract: An electrode wire for electrical discharge machining included: a core made of first metal; and an alloy layer which is formed at an outer circumference of the core due to inter-dispersion of the core and second metal with which an outer surface of the core is plated. The alloy layer includes a portion formed by ? phase+?? phase and ?? phase grains. The alloy layer has cracks formed at a surface thereof. According to such a configuration described above, there can be provided an electrode wire for electrical discharge machining which has an even surface, improves a machining speed and the surface roughness of a workpiece, and minimizes generation of fine debris of the electrode wire.
    Type: Application
    Filed: September 28, 2020
    Publication date: October 27, 2022
    Inventor: Chul Min PARK
  • Patent number: 11166891
    Abstract: The present invention relates to a bis phenyl hexa triene derivative, a preparation method thereof and a composition for skin whitening comprising the same as an active ingredient. The said derivative inhibits the expression of tyrosinase, TRP 1 (tyrosinase-related protein 1), TRP 2 (tyrosinase-related protein 2) or MITF (microphthalmia-associated transcription factor) gene which produces a precursor necessary for the generation of melanin, suppresses the activity of tyrosinase, eventually inhibits the biosynthesis of melanin, is safe due to low cytotoxicity, and has less side effects and excellent antioxidative effect, so that it can be effectively used as a composition for skin whitening.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 9, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Woo-Keun Kim, Sangwoo Lee, Seokjoo Yoon, Chul Min Park
  • Publication number: 20200078279
    Abstract: The present invention relates to a bis phenyl hexa triene derivative, a preparation method thereof and a composition for skin whitening comprising the same as an active ingredient. The said derivative inhibits the expression of tyrosinase, TRP 1 (tyrosinase-related protein 1), TRP 2 (tyrosinase-related protein 2) or MITF (microphthalmia-associated transcription factor) gene which produces a precursor necessary for the generation of melanin, suppresses the activity of tyrosinase, eventually inhibits the biosynthesis of melanin, is safe due to low cytotoxicity, and has less side effects and excellent antioxidative effect, so that it can be effectively used as a composition for skin whitening.
    Type: Application
    Filed: September 5, 2019
    Publication date: March 12, 2020
    Inventors: Woo-Keun Kim, Sangwoo Lee, Seokjoo Yoon, Chul Min Park
  • Publication number: 20180087093
    Abstract: The present invention relates to a probe for detecting drug-resistant gram-positive pathogens, a probe set, and a method of detecting drug-resistant gram-positive pathogens using them. The probe for detecting drug-resistant gram-positive pathogens, the probe set, and the method for detecting drug-resistant gram-positive pathogens using them according to the present invention can contribute not only to shortening a detection time, compared to a conventional detection time, by optimizing a hybridization time, but also to increasing the sensitivity of detection by pre-amplification of the specific sequence of drug-resistant gram-positive pathogens, and thereby multiple detections of drug-resistant gram-positive pathogens can be accurately and efficiently performed.
    Type: Application
    Filed: June 8, 2017
    Publication date: March 29, 2018
    Inventors: Yeun Jun CHUNG, Dong Gun LEE, Chul Min PARK, Bo Ram CHUNG
  • Publication number: 20180051398
    Abstract: A carbon fiber layer having a carbon coating is provided. The disclosed carbon fiber layer having a carbon coating includes: a carbon fiber layer in which a plurality of carbon fibers are arrayed; and a thin carbon film layer, comprising carbon, coated on the surface of the carbon fiber layer.
    Type: Application
    Filed: April 7, 2016
    Publication date: February 22, 2018
    Inventors: CHUL MIN PARK, YONG HYEON CHO
  • Publication number: 20160304466
    Abstract: The present invention is directed to modulators, such as inhibitors, of JNK isoform 2 (JNK2) or isoform 3 (JNK3) comprising compounds of formula (I) or formula (II) as described herein. Compounds of the invention can be used for treatment of a medical disorder in a patient wherein modulation of JNK3 is medically indicated, such as when the disorder is Parkinson disease (PD) Alzheimer's disease (AD), Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), myocardial infarction (MI), glaucoma, obesity, diabetes, cancer, rheumatoid arthritis, fibrotic disease, pulmonary fibrosis, kidney disease, liver inflammation, Crohns disease, hearing loss, Prader Willi syndrome, or a condition where modification of feeding behavior is medically indicated.
    Type: Application
    Filed: December 3, 2014
    Publication date: October 20, 2016
    Inventors: Yangbo Feng, Philip Lograsso, Ke Zheng, Chul Min Park
  • Patent number: 9212595
    Abstract: A structure of an exhaust system for a cylinder deactivation (CDA) engine may include first, second and third baffles which are coupled in a main muffler, and divide an interior of the main muffler into first, second, third and fourth spaces respectively, a connecting pipe which connects the second space and the third space of the main muffler, and has a passage in which the exhaust gas flows, a first valve coupled to the passage of the connecting pipe to open and close the passage of the connecting pipe, and a second valve openably and closably coupled to the second baffle disposed between the second space and the third space, wherein the first baffle coupled between the first space and the second space, and the third baffle coupled between the third space and the fourth space, have a plurality of holes so that the exhaust gas flows therethrough.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: December 15, 2015
    Assignee: Hyundai Motor Company
    Inventors: Ho-Chan An, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Patent number: 9212594
    Abstract: A structure of an exhaust system for a CDA engine may include three baffles coupled in a main muffler in a lateral direction, and dividing an interior of the main muffler into a first space, a second space, a third space, and a fourth space, a first connecting pipe disposed outside the main muffler, connecting the second space and the third space and having a passage in which exhaust gas flows, a second connecting pipe disposed outside the main muffler, connecting the second space and the third space, and having a passage in which the exhaust gas flows, a first valve coupled to the passage of the first connecting pipe, and a second valve coupled to the passage of the second connecting pipe.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: December 15, 2015
    Assignee: Hyundai Motor Company
    Inventors: Ho-Chan An, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Patent number: 9212593
    Abstract: A structure of a dual exhaust system for a cylinder deactivation (CDA) engine, may include two inlet pipes, two outlet pipes, each of which protrudes and extends from an inside of a corresponding main muffler to an outside of the corresponding main muffler, wherein each of the two outlet pipes releases the exhaust gas passing through the corresponding main muffler to an outside of the vehicle therethrough, a connecting pipe disposed in a vehicle width direction and connecting between the two main mufflers, and a valve mounted on one outlet pipe of the two outlet pipes to open and close the one outlet pipe, wherein when the valve may be closed, the exhaust gas passing through one of the main mufflers may be introduced into the other main muffler of the two outlet pipes through the connecting pipe and then may be emitted to the outside of the vehicle.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: December 15, 2015
    Assignee: Hyundai Motor Company
    Inventors: Ho-Chan An, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Publication number: 20150136520
    Abstract: A structure of a dual exhaust system for a cylinder deactivation (CDA) engine, may include two inlet pipes, two outlet pipes, each of which protrudes and extends from an inside of a corresponding main muffler to an outside of the corresponding main muffler, wherein each of the two outlet pipes releases the exhaust gas passing through the corresponding main muffler to an outside of the vehicle therethrough, a connecting pipe disposed in a vehicle width direction and connecting between the two main mufflers, and a valve mounted on one outlet pipe of the two outlet pipes to open and close the one outlet pipe, wherein when the valve may be closed, the exhaust gas passing through one of the main mufflers may be introduced into the other main muffler of the two outlet pipes through the connecting pipe and then may be emitted to the outside of the vehicle.
    Type: Application
    Filed: October 23, 2014
    Publication date: May 21, 2015
    Applicant: Hyundai Motor Company
    Inventors: Ho-Chan An, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Publication number: 20150101885
    Abstract: A structure of an exhaust system for a cylinder deactivation (CDA) engine may include first, second and third baffles which are coupled in a main muffler, and divide an interior of the main muffler into first, second, third and fourth spaces respectively, a connecting pipe which connects the second space and the third space of the main muffler, and has a passage in which the exhaust gas flows, a first valve coupled to the passage of the connecting pipe to open and close the passage of the connecting pipe, and a second valve openably and closably coupled to the second baffle disposed between the second space and the third space, wherein the first baffle coupled between the first space and the second space, and the third baffle coupled between the third space and the fourth space, have a plurality of holes so that the exhaust gas flows therethrough.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Applicant: Hyundai Motor Company
    Inventors: Ho-Chan AN, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Publication number: 20150101884
    Abstract: A structure of an exhaust system for a CDA engine may include three baffles coupled in a main muffler in a lateral direction, and dividing an interior of the main muffler into a first space, a second space, a third space, and a fourth space, a first connecting pipe disposed outside the main muffler, connecting the second space and the third space and having a passage in which exhaust gas flows, a second connecting pipe disposed outside the main muffler, connecting the second space and the third space, and having a passage in which the exhaust gas flows, a first valve coupled to the passage of the first connecting pipe, and a second valve coupled to the passage of the second connecting pipe.
    Type: Application
    Filed: September 26, 2014
    Publication date: April 16, 2015
    Applicant: Hyundai Motor Company
    Inventors: Ho-Chan An, Chul-Min Park, Seung-Hwan Lim, Jong-Ho Seon
  • Patent number: 8324246
    Abstract: Disclosed herein are a new indole carboxylic acid bispyridyl carboxamide derivative, a preparation method thereof, and a composition for prevention or treatment of obesity, urinary disorders, and CNS disorders, containing the same as an active ingredient. Because the indole carboxylic acid bispyridyl carboxamide derivatives according to the present invention have high affinity for 5-HT2c receptors, act selectively on the 5-HT2c receptors, the derivatives rarely have adverse effects caused by other receptors. Because the derivatives effectively inhibit serotonin activity, they may be useful for treatment or prevention of obesity; urinary disorders such as urinary incontinence, premature ejaculation, erectile dysfunction, and prostatic hyperplasia; CNS disorders such as depression, anxiety, concern, panic disorder, epilepsy, obsessive-compulsive disorder, migraine, sleep disorder, withdrawal from drug abuse, Alzheimer's disease, and schizophrenia, associated with 5-HT2c receptors.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: December 4, 2012
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Churlmin Seong, Chul Min Park, Soyoung Kim, Wookyu Park, Nosang Park
  • Patent number: 8107354
    Abstract: An electric field read/write head, a method of manufacturing the electric field read/write head, and an information storage device including the electric field read/write head are provided. The electric field read/write head includes: a substrate having a first surface facing a recording medium and a second surface that is perpendicular to the first surface; and a protrusion formed on the second surface and having at least a portion facing the recording medium, wherein a resistance sensor comprising a source, a drain, and a channel is included in the protrusion. An insulating layer and electric field shield layers are further sequentially formed on opposite sides of the protrusion, respectively, and at least one of the electric field shield layers is a write electrode.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: January 31, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-soo Ko, Ju-hwan Jung, Seung-bum Hong, Chul-min Park, Dae-young Jeon
  • Patent number: 8090970
    Abstract: A multimedia data reproducing device is provided which includes: a codec converting digital data into an analog signal by a predetermined method and reproducing the analog signal; and a control unit including a core generating a reproduction block by decoding multimedia data and outputting the generated reproduction block to a main memory in an activated state and an interface transmitting the reproduction block stored in the main memory as the digital data to the codec and transmitting the multimedia data stored in an auxiliary memory to the core in an activated state. Accordingly, it is possible to efficiently reproduce multimedia data to reduce the power consumption of a battery by alternately turning on and off a power source of blocks other than the interface in the control unit periodically or depending on a predetermined situation.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: January 3, 2012
    Assignee: Mtekvision Co., Ltd.
    Inventors: Hyo-June Kim, Chul-Min Park, Sung-Yeob Cho
  • Patent number: 8064324
    Abstract: An electric field effect read/write head for recording/reproducing information on/from a ferroelectric recording medium using an electric field effect includes a semiconductor substrate, a recess portion formed in an upper surface of the semiconductor substrate facing the ferroelectric recording medium, and a recording/reproduction portion provided in the recess portion.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: November 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-soo Ko, Seung-bum Hong, Chul-min Park, Dae-young Jeon
  • Patent number: 7994499
    Abstract: A semiconductor probe having a wedge shape resistive tip and a method of fabricating the semiconductor probe is provided. The semiconductor probe includes a resistive tip that is doped with a first impurity, has a resistance region doped with a low concentration of a second impurity having an opposite polarity to the first impurity, and has first and second semiconductor electrode regions doped with a high concentration of the second impurity on both side slopes of the resistive tip. The probe also includes a cantilever having the resistive tip on an edge portion thereof, and an end portion of the resistive tip has a wedge shape.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: August 9, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-soo Ko, Ju-hwan Jung, Seung-bum Hong, Hong-sik Park, Chul-min Park
  • Patent number: 7933190
    Abstract: Provided are an electric field read/write device and a method of driving an electric field read/write device. The method including an electric field read/write head comprising a resistance region disposed between a source region and a drain region and a writing electrode disposed on the resistance region, wherein the method includes: applying a controlling voltage to the writing electrode, wherein the controlling voltage is smaller than a threshold voltage which causes polarization of a recording medium, and reproducing data recorded in the recording medium according to change of an amount of a current flowing through the resistance region according to a polarization direction of electric domains of the recording medium.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-young Jeon, Hyoung-soo Ko, Seung-bum Hong, Chul-min Park
  • Patent number: 7915109
    Abstract: A method of manufacturing a probe includes: forming a first slant face of the probe through an anisotropic etching process using a first etching mask pattern formed on a silicon substrate; forming a first semiconductor electrode region; forming a second etching mask pattern in an opposite direction of the first etching mask pattern on the silicon substrate; forming a spacer layer on a side wall of the second etching mask pattern; forming a second slant face of the probe; forming a second semiconductor electrode region; forming a silicon oxide layer pattern on the resulting silicon substrate; forming spacer layers on both side walls of the silicon oxide layer pattern; and etching the silicon substrate to a predetermined depth.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: March 29, 2011
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Hyoung Soo Ko, Byung Gook Park, Seung Bum Hong, Chul Min Park, Woo Young Choi, Jong Pil Kim, Jae Young Song, Sang Wan Kim