Patents by Inventor Min-ho Choi

Min-ho Choi 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: 20200194235
    Abstract: An apparatus for manufacturing a semiconductor device includes: a process chamber including a plasma processing space; and a substrate supporter arranged in the process chamber and configured to support a substrate, wherein the substrate supporter includes: a base including a plurality of lift pin holes, each configured to accommodate a lift pin; and a seal band having a ring shape and protruding from the base, the seal band having an inner diameter that is less than a pitch circle diameter of the plurality of lift pin holes.
    Type: Application
    Filed: June 24, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-hwan KIM, Yeon-tae KIM, Kee-soo PARK, Pan-kwi PARK, Jin-ah LEE, Chang-yun LEE, Sung-keun LIM, Min-ho CHOI, Eun-sok CHOI
  • Publication number: 20200121726
    Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of osteoarthritis including cells or cell groups having a specific size or less, a kit for preparing a cell therapeutic agent, and a method for manufacturing a therapeutic agent for osteoarthritis. Mixed cells, which are selected to a specific size or less as an active ingredient of the present invention, of transformed mammalian cells with TGF-? and untransformed mammalian cells minimize aggregation between chondrocytes and have beneficial therapeutic effects. In addition, when administering the selected mixed cells having the specific size or less to a patient, patient compliance may be improved, and it is easy to manage quality in therapeutic agent manufacturing facilities or hospitals.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 23, 2020
    Inventors: Sang Eun NOH, Soon Dong LEE, Hyeon Youl LEE, Seung Taeh HWANG, Ha Eun KIM, Min Ho CHOI
  • Patent number: 10570283
    Abstract: The present disclosure relates to a thermoplastic transparent resin composition for a wheel rust cover. The thermoplastic transparent resin composition is excellent in transparency and impact strength and suitable for a vacuum compression thermal molding process. A thermoplastic transparent resin composition for a wheel rust cover includes 20 wt % to 60 wt % of a graft copolymer, 40 wt % to 70 wt % of a non-graft copolymer, and 3 wt % to 10 wt % of a processing aid, in which a total rubber content is 10 wt % to 25 wt %, a total methacrylic acid alkyl ester compound content is 34 wt % to 67 wt %, a total aromatic vinyl compound content is 16 wt % to 40 wt %, and a total vinyl cyan compound content is 0 wt % to 10 wt %.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: February 25, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, LG CHEM, LTD.
    Inventors: Min Ho Choi, Won Seok Lee, Seok Goo Jang, Jeong Su Choi
  • Publication number: 20190127569
    Abstract: The present disclosure relates to a thermoplastic transparent resin composition for a wheel rust cover. The thermoplastic transparent resin composition is excellent in transparency and impact strength and suitable for a vacuum compression thermal molding process. A thermoplastic transparent resin composition for a wheel rust cover includes 20 wt % to 60 wt % of a graft copolymer, 40 wt % to 70 wt % of a non-graft copolymer, and 3 wt % to 10 wt % of a processing aid, in which a total rubber content is 10 wt % to 25 wt %, a total methacrylic acid alkyl ester compound content is 34 wt % to 67 wt %, a total aromatic vinyl compound content is 16 wt % to 40 wt %, and a total vinyl cyan compound content is 0 wt % to 10 wt %.
    Type: Application
    Filed: December 18, 2017
    Publication date: May 2, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, LG CHEM, LTD.
    Inventors: Min Ho CHOI, Won Seok LEE, Seok Goo JANG, Jeong Su CHOI
  • Publication number: 20180370095
    Abstract: An apparatus for manufacturing an integral emblem, may include a mold including a first mold and a second mold and formed to have a cavity formed therein when the mold is closed; an In-Mold Decoration (IMD) film supplier disposed to the first mold and configured for supplying an IMD film; a position detector disposed in the mold and configured for detecting a position of the IMD film; and an injection material injector disposed on a rear of the second mold and combined with a fluid path in the second mold when the mold is closed.
    Type: Application
    Filed: October 30, 2017
    Publication date: December 27, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Min Ho CHOI
  • Publication number: 20180362722
    Abstract: The present invention relates to a cosmetic-supporting structure, including a reticulated porous foam and a silicone coating layer, serving as an outer frame, on an outer surface of the foam, serving as an inner frame, a method of manufacturing the same, and a cosmetic product containing the same.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 20, 2018
    Inventors: Tae-Hwan AHN, Min-Ho CHOI
  • Publication number: 20180260038
    Abstract: The present invention discloses a keyboard comprising light emitting devices, each respectively disposed below a key to lighten the top surface of the key; and a micro controller unit transmitting signals generated by each key to the computer, having switches for controlling the light emitting devices, and controlling switches according to signals transmitted from the computer, and a method of selecting the colors of the keys of the same.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 13, 2018
    Inventors: Tae-Kyung YOO, Min-Ho CHOI
  • Patent number: 10075071
    Abstract: An electronic device includes a load device and a power management integrated circuit. The power management integrated circuit is configured to calculate a load power value and provide the load power value to the load device in response to a request from the load device. The power management integrated circuit includes a plurality of regulators and a controller. Each of the plurality of regulators includes a current meter for measuring a load current value to be provided to the load device, and the controller is configured to calculate the load power value by using the load current value measured by the current meter and a load voltage value provided from each of the plurality of regulators to the load device.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Min Park, Young Hoon Lee, Yus Ko, Hwa Yeal Yu, Min Ho Choi
  • Publication number: 20180048230
    Abstract: An electronic device includes a load device and a power management integrated circuit. The power management integrated circuit is configured to calculate a load power value and provide the load power value to the load device in response to a request from the load device. The power management integrated circuit includes a plurality of regulators and a controller. Each of the plurality of regulators includes a current meter for measuring a load current value to be provided to the load device, and the controller is configured to calculate the load power value by using the load current value measured by the current meter and a load voltage value provided from each of the plurality of regulators to the load device.
    Type: Application
    Filed: July 18, 2017
    Publication date: February 15, 2018
    Inventors: YOUNG MIN PARK, YOUNG HOON LEE, YUS KO, HWA YEAL YU, MIN HO CHOI
  • Patent number: 9859796
    Abstract: A method of operating a buck-boost converter including an inductor and a capacitor includes; operating the buck-boost converter in boost mode until a level of an input voltage applied at an input node of the buck-boost converter reaches a desired level of an output voltage apparent at an output node of the buck-boost converter, and after the level of an input voltage reaches the desired level of the output voltage, operating the buck-boost converter in buck mode, wherein operating the buck-boost converter in buck mode and operating the buck-boost converter in boost mode overlap at least in part temporally proximate a point at which the level of the input voltage exceeds the level of the output voltage.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gil-Won Yoon, Dong-Jin Keum, Yus Ko, Gwang-Yol Noh, Sung-Woo Moon, Min-Ho Choi
  • Patent number: 9595866
    Abstract: A switching regulator includes a power converting unit and a switch driving unit. The power converting unit is configured to generate a direct current (DC) output voltage based on a switch driving signal and a DC input voltage. The switch driving unit is configured to generate a ripple voltage having information of an inductor current flowing through the power converting unit, add the ripple voltage to a reference voltage to generate a first voltage having a ripple, generate a feedback voltage based on the DC output voltage, compare the first voltage with the feedback voltage in a hysteresis mode to generate a comparison output, and generate the switch driving signal based on the comparison output.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Ho Choi, Dong-Jin Keum, Gil-Won Yoon, Yus Ko
  • Patent number: 9543829
    Abstract: Provided are a switching regulator and a comparator-based zero current detection method. The switching regulator comprises: a switch configured to connect to a switching node and control an inductor current flowing through the switching node; and a switch controller configured to control a turn-off time of the switch by detecting a change in a voltage of the switching node after the switch is turned off, wherein the switch controller comprises: a comparator configured to compare a first voltage applied to a first input terminal connected to the switching node with a second voltage applied to a second input terminal connected to a first terminal of the switch; and a control logic configured to receive a comparison signal of the comparator and control an offset of the comparator to adjust the turn-off time of the switch.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-ho Choi, Dong-Jin Keum
  • Publication number: 20160343345
    Abstract: A display system, a display apparatus, a remote control apparatus, and a method for controlling the same are provided. The display system according to the exemplary embodiment: a display apparatus; and a remote control apparatus sensing a motion and transmitting the sensed motion information to the display apparatus. The display apparatus displays a UI element when receiving motion information of the remote control apparatus and displays image contents when receiving a power on command from the remote control apparatus while the UI element is displayed.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-sun MOON, Chun RYU, Ji-eun BYUN, Young-ah LEE, Yoo-jin CHOI, Do-young KIM, Min-ho CHOI, Hyun-seok CHOI, Cheul-hee HAHM, Woo-seok HWANG, Sung-hyun JANG
  • Publication number: 20150357916
    Abstract: A method of operating a buck-boost converter including an inductor and a capacitor includes; operating the buck-boost converter in boost mode until a level of an input voltage applied at an input node of the buck-boost converter reaches a desired level of an output voltage apparent at an output node of the buck-boost converter, and after the level of an input voltage reaches the desired level of the output voltage, operating the buck-boost converter in buck mode, wherein operating the buck-boost converter in buck mode and operating the buck-boost converter in boost mode overlap at least in part temporally proximate a point at which the level of the input voltage exceeds the level of the output voltage.
    Type: Application
    Filed: April 16, 2015
    Publication date: December 10, 2015
    Inventors: GIL-WON YOON, DONG-JIN KEUM, YUS KO, GWANG-YOL NOH, SUNG-WOO MOON, MIN-HO CHOI
  • Patent number: 9200348
    Abstract: Provided are an aluminum alloy and a manufacturing method thereof. In the method, aluminum and a master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 1, 2015
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Jin-Kyu Lee, Min-Ho Choi, Jeong-Ho Seo
  • Publication number: 20150261313
    Abstract: The present invention discloses a keyboard comprising light emitting devices, each respectively disposed below a key to lighten the top surface of the key; and a micro controller unit transmitting signals generated by each key to the computer, having switches for controlling the light emitting devices, and controlling switches according to signals transmitted from the computer, and a method of selecting the colors of the keys of the same.
    Type: Application
    Filed: April 22, 2015
    Publication date: September 17, 2015
    Inventors: Tae-Kyung Yoo, Min-Ho Choi
  • Patent number: 9080225
    Abstract: Provided are an aluminum alloy and a manufacturing method thereof. In the method, aluminum and a magnesium (Mg) master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the Mg master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: July 14, 2015
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Jin-Kyu Lee, Min-Ho Choi, Young-Ok Yoon
  • Publication number: 20150180338
    Abstract: A switching regulator includes a power converting unit and a switch driving unit. The power converting unit is configured to generate a direct current (DC) output voltage based on a switch driving signal and a DC input voltage. The switch driving unit is configured to generate a ripple voltage having information of an inductor current flowing through the power converting unit, add the ripple voltage to a reference voltage to generate a first voltage having a ripple, generate a feedback voltage based on the DC output voltage, compare the first voltage with the feedback voltage in a hysteresis mode to generate a comparison output, and generate the switch driving signal based on the comparison output.
    Type: Application
    Filed: August 29, 2014
    Publication date: June 25, 2015
    Inventors: Min-Ho Choi, Dong-Jin Keum, Gil-Won Yoon, Yus Ko
  • Publication number: 20150148975
    Abstract: The invention is a smart grid integrated electric power control system based on ESS distributed control, in which the households on a smart grid are grouped into plurality of local ESS areas and the electric power supplied to the households in the local ESS area is controlled distributedly by a local ESS device and the electric power supplied between the local ESS is controlled by a central ESS device integratedly.
    Type: Application
    Filed: August 19, 2014
    Publication date: May 28, 2015
    Inventors: Yoo Cheol JEONG, Min Ho CHOI, Hee Joo BYUN
  • Publication number: 20140191744
    Abstract: Provided are a switching regulator and a comparator-based zero current detection method. The switching regulator comprises: a switch configured to connect to a switching node and control an inductor current flowing through the switching node; and a switch controller configured to control a turn-off time of the switch by detecting a change in a voltage of the switching node after the switch is turned off, wherein the switch controller comprises: a comparator configured to compare a first voltage applied to a first input terminal connected to the switching node with a second voltage applied to a second input terminal connected to a first terminal of the switch; and a control logic configured to receive a comparison signal of the comparator and control an offset of the comparator to adjust the turn-off time of the switch.
    Type: Application
    Filed: January 3, 2014
    Publication date: July 10, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-ho CHOI, Dong-Jin KEUM