Patents by Inventor Seung-Hoon Kang

Seung-Hoon Kang 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: 20230354259
    Abstract: The present invention relates to a system for providing precise position information on the basis of machine learning, and a provision method therefor, and, more specifically, to a system for providing precise position information on the basis of machine learning, comprising: an information provision unit, which performs machine-learning-based learning for precise position determination, receives position-related information from a user to analyze the position-related information, and thus determines a precise position, and provides the determined precise position information; and a user terminal unit, which receives the precise position information by using a pre-installed application, inputs position-related information about a desired position through the application and receives precise position information related to the inputted position-related information.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 2, 2023
    Inventor: Seung-hoon KANG
  • Patent number: 11310940
    Abstract: An electronic device according to various embodiments of the present invention can comprise: a housing including a first plate facing a first direction, a second plate facing a second direction opposite to the first direction, and a side member for encompassing a space between the first plate and the second plate; a circuit board arranged inside the housing and including at least one heating element; a first vapor chamber for receiving, through conduction, and dispersing, in at least a partial space between the first plate and the circuit board, heat released from the at least one heating element; a heat sink for receiving, through conduction, and absorbing, in at least a partial space between the circuit board and the second plate, heat released from the at least one heating element; and a fan for supplying air such that the heat absorbed by the heat sink is forcibly convected toward the outside of the electronic device. Additional various embodiments are possible.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: April 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Ki Moon, Seung Hoon Kang, Yoon Sun Park, Kyung Ha Koo, In Kuk Yun, Se Young Jang, Hyo Seok Na
  • Patent number: 11277118
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 15, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol Hong, Jin-seok Park, Seung-hun Wang, Seung-hoon Kang
  • Publication number: 20210087060
    Abstract: Provided is a method of recovering phosphoric acid from a fermentation broth or a waste liquid thereof and reusing the recovered phosphoric acid in fermentation.
    Type: Application
    Filed: July 12, 2018
    Publication date: March 25, 2021
    Applicant: CJ CheilJedang Corporation
    Inventors: Jun-Woo Kim, Jaeik Kim, Il Chul Kim, In Sung Lee, Seung Hoon Kang, Min Sup Kim, Kang Hoon Lee, Seung-je Lee, Chungkwon Lee, Jun Young Jung
  • Publication number: 20210028768
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Application
    Filed: October 15, 2020
    Publication date: January 28, 2021
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol HONG, Jin-seok PARK, Seung-hun WANG, Seung-hoon KANG
  • Patent number: 10848130
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: November 24, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol Hong, Jin-seok Park, Seung-hun Wang, Seung-hoon Kang
  • Publication number: 20200367383
    Abstract: An electronic device according to various embodiments of the present invention can comprise: a housing including a first plate facing a first direction, a second plate facing a second direction opposite to the first direction, and a side member for encompassing a space between the first plate and the second plate; a circuit board arranged inside the housing and including at least one heating element; a first vapor chamber for receiving, through conduction, and dispersing, in at least a partial space between the first plate and the circuit board, heat released from the at least one heating element; a heat sink for receiving, through conduction, and absorbing, in at least a partial space between the circuit board and the second plate, heat released from the at least one heating element; and a fan for supplying air such that the heat absorbed by the heat sink is forcibly convected toward the outside of the electronic device. Additional various embodiments are possible.
    Type: Application
    Filed: October 25, 2018
    Publication date: November 19, 2020
    Inventors: Hong Ki MOON, Seung Hoon KANG, Yoon Sun PARK, Kyung Ha KOO, In Kuk YUN, Se Young JANG, Hyo Seok NA
  • Publication number: 20200220524
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Application
    Filed: December 18, 2017
    Publication date: July 9, 2020
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol HONG, Jin-seok PARK, Seung-hun WANG, Seung-hoon KANG
  • Patent number: 10411348
    Abstract: Provided is a phase shifting device including a first balun outputting first and second differential input signals, an I/Q generator outputting first to fourth phase signals based on the first and second differential input signals, a control circuit outputting a first control signal, a second control signal, a plurality of in-phase select signals, and a plurality of quadrature select signals, a current source circuit including a first source transistor outputting an in-phase current according to the first control signal and a second source outputting a quadrature current according to the second control signal, a vector sum circuit outputting first and second differential output signals based on the first to fourth phase signals according to the plurality of in-phase select signals and the plurality of quadrature select signals and including a plurality of sub-vector sum circuits, and a second balun outputting an output signal.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 10, 2019
    Assignees: LG ELECTRONICS INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jinseok Park, Song-Cheoll Hong, Seung Hoon Kang, Jaehoon Chung, Minki Ahn
  • Patent number: 10171048
    Abstract: A power amplifier according to examples includes an amplifying circuit configured to amplify an input signal, a feedback circuit configured to feedback the amplified signal to the amplifying unit, and a feedback controlling circuit configured to control a power of the fed-back signal based on a power of the input signal. The feedback controlling unit performs controlling so that the power of the fed-back signal is increased as the power of the input signal is increased.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: January 1, 2019
    Assignees: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seung Hoon Kang, Gyu Suck Kim, Song Cheol Hong
  • Publication number: 20180198206
    Abstract: Provided is a phase shifting device including a first balun outputting first and second differential input signals, an I/Q generator outputting first to fourth phase signals based on the first and second differential input signals, a control circuit outputting a first control signal, a second control signal, a plurality of in-phase select signals, and a plurality of quadrature select signals, a current source circuit including a first source transistor outputting an in-phase current according to the first control signal and a second source outputting a quadrature current according to the second control signal, a vector sum circuit outputting first and second differential output signals based on the first to fourth phase signals according to the plurality of in-phase select signals and the plurality of quadrature select signals and including a plurality of sub-vector sum circuits, and a second balun outputting an output signal.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 12, 2018
    Applicants: LG ELECTRONICS INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jinseok PARK, Song-Cheoll HONG, SEUNG HOON KANG, Jaehoon CHUNG, Minki AHN
  • Patent number: 9979362
    Abstract: A power amplifier include an amplifier including at least one field effect transistor (FET) that operates in an amplifying stage configured to amplify an input signal, and a body controller configured to control a bias voltage of a body terminal of the FET based on a power of the input signal. The body controller performs controlling so that the bias voltage of the body terminal is reduced in response to the power of the input signal being increased. Accordingly, such a power amplifier exhibits improved linearity.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: May 22, 2018
    Assignees: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seung Hoon Kang, Gyu Suck Kim, Song Cheol Hong
  • Publication number: 20160276981
    Abstract: A power amplifier according to examples includes an amplifying circuit configured to amplify an input signal, a feedback circuit configured to feedback the amplified signal to the amplifying unit, and a feedback controlling circuit configured to control a power of the fed-back signal based on a power of the input signal. The feedback controlling unit performs controlling so that the power of the fed-back signal is increased as the power of the input signal is increased.
    Type: Application
    Filed: January 12, 2016
    Publication date: September 22, 2016
    Applicants: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seung Hoon KANG, Gyu Suck KIM, Song Cheol HONG
  • Publication number: 20160276982
    Abstract: A power amplifier include an amplifier including at least one field effect transistor (FET) that operates in an amplifying stage configured to amplify an input signal, and a body controller configured to control a bias voltage of a body terminal of the FET based on a power of the input signal. The body controller performs controlling so that the bias voltage of the body terminal is reduced in response to the power of the input signal being increased. Accordingly, such a power amplifier exhibits improved linearity.
    Type: Application
    Filed: January 12, 2016
    Publication date: September 22, 2016
    Applicants: SAMSUNG ELECTRO MECHANICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Seung Hoon Kang, Gyu Suck Kim, Song Cheol Hong
  • Patent number: 9227955
    Abstract: Disclosed are an anti-angiogenic compound, represented by Chemical Formula I, or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutically acceptable composition including the same. Because the compound of Chemical Formula I potently suppresses the angiogenesis, the compound of Chemical Formula I is applicable to the prevention and treatment of diseases caused by aberrant activity of vascular endothelial growth factor, and available as an anti-angiogenic agent.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: January 5, 2016
    Assignee: Boryung Pharmaceutical Co., Ltd.
    Inventors: Ji Han Kim, Je Hak Kim, Joon Kwang Lee, Hahn-Sun Jung, Nam Seok Han, Yong Park, Seung-Hoon Kang, Hee Jin Jeong, Kyung-Tae Lee, Hye Eun Choi, Yong Ha Chi, Joo Han Lee, Soo Heui Paik
  • Publication number: 20150188500
    Abstract: A power amplifier may include: an amplification unit amplifying a power level of an input signal, a negative feedback circuit unit connected between an input terminal and an output terminal of the amplification unit and a linearization circuit unit connected between the negative feedback circuit unit and the input terminal of the amplification unit to predistort and linearize a signal from the negative feedback circuit unit, and to provide the signal to the input terminal of the amplification unit.
    Type: Application
    Filed: July 25, 2014
    Publication date: July 2, 2015
    Inventors: Seung Hoon KANG, Chan Yong JEONG, Gyu Suck KIM, Song Cheol HONG
  • Publication number: 20140256711
    Abstract: Disclosed are an anti-angiogenic compound, represented by Chemical Formula I, or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutically acceptable composition including the same. Because the compound of Chemical Formula I potently suppresses the angiogenesis, the compound of Chemical Formula I is applicable to the prevention and treatment of diseases caused by aberrant activity of vascular endothelial growth factor, and available as an anti-angiogenic agent.
    Type: Application
    Filed: July 27, 2012
    Publication date: September 11, 2014
    Applicant: Boryung Pharmaceutical Co., Ltd.
    Inventors: Ji Han Kim, Je Hak Kim, Joon Kwang Lee, Hahn-Sun Jung, Nam Seok Han, Yong Park, Seung-Hoon Kang, Hee Jin Jeong, Kyung-Tae Lee, Hye Eun Choi, Yong Ha Chi, Joo Han Lee, Soo Heui Paik
  • Patent number: 8003850
    Abstract: Provided is a method for producing a target protein via cultivation of transgenic plant cells comprising a promoter capable of expressing the protein under sugar-free conditions in the response to the depletion of sugar and a gene encoding the target protein, without exchange of a cell growth medium with a sugar-depleted medium comprising the addition of an amino acid mixture to the sugar-rich medium used to grow the plant cells.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: August 23, 2011
    Assignee: Boryung Pharmaceutical Co., Ltd.
    Inventors: Sang-Lin Kim, Hyun-Kwang Tan, Sang-Min Lim, Wuk-Sang Ryu, Hahn-Sun Jung, Song-Jae Lee, Cheon-Ik Park, Seung-Hoon Kang, Dong-Il Kim
  • Publication number: 20100189717
    Abstract: The present invention provides a recombinant vector pBI-3D-hGalT or pBI-35S-hGalT containing a human ?1,4-galactosyltransferase gene; a cell line transformed with a recombinant vector pMYN414 containing a cytotoxic T-lymphocyte anti-gen A-immunoglobulin (CTLA4Ig) fusion protein gene and the recombinant vector pBI-3D-hGalT or pBI-355-hGalT; and a method for producing a plant-derived recombinant human CTLA4Ig (CTLA4Igp) fusion protein with a human glycan structure using the same. The plant cell-derived recombinant human CTLA4Ig fusion protein (CTLA4Igp), which has a human glycan structure and is produced according to the present invention, exhibits an improved in vivo half life as compared to conventional plant-derived proteins, due to the presence of a human-like glycan structure.
    Type: Application
    Filed: July 9, 2008
    Publication date: July 29, 2010
    Applicant: Boryung Pharmaceutical Co., Ltd.
    Inventors: Sang-Lin Kim, Hyun-Kwang Tan, Sang-Min Lim, Wuk-Sang Ryu, Hahn-Sun Jung, Song-Jae Lee, Cheon-Ik Park, Seung-Hoon Kang, Dong Il Kim
  • Publication number: 20090181428
    Abstract: Provided is a method for producing a target protein via cultivation of transgenic plant cells comprising a promoter capable of expressing the protein under sugar-free conditions or in response to the depletion of sugar and a gene encoding the target protein, without exchange of a cell growth medium with a sugar-depleted medium. The method comprises 1) culturing transgenic plant cells in a sugar-rich medium to grow plant cells; and 2) culturing the transgenic plant cells with addition of an amino acid mixture to the culture of Step 1 without exchange of a cell growth medium with a sugar-depleted medium, thereby expressing a target protein.
    Type: Application
    Filed: September 19, 2007
    Publication date: July 16, 2009
    Applicant: BORYUNG PHARMACEUTICAL CO., LTD.
    Inventors: Sang-Lin Kim, Hyun-Kwang Tan, Sang-Min Lim, Wuk-Sang Ryu, Hahn-Sun Jung, Song-Jae Lee, Cheon-Ik Park, Seung-Hoon Kang, Dong-Il Kim