Patents by Inventor Do-hyung Park

Do-hyung 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: 11983248
    Abstract: Disclosed herein are an apparatus and method for classifying clothing attributes based on deep learning. The apparatus includes memory for storing at least one program and a processor for executing the program, wherein the program includes a first classification unit for outputting a first classification result for one or more attributes of clothing worn by a person included in an input image, a mask generation unit for outputting a mask tensor in which multiple mask layers respectively corresponding to principal part regions obtained by segmenting a body of the person included in the input image are stacked, a second classification unit for outputting a second classification result for the one or more attributes of the clothing by applying the mask tensor, and a final classification unit for determining and outputting a final classification result for the input image based on the first classification result and the second classification result.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: May 14, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chan-Kyu Park, Do-Hyung Kim, Jae-Hong Kim, Jae-Yeon Lee, Min-Su Jang
  • Publication number: 20240079557
    Abstract: An anode active material for a secondary battery according to an embodiment of the present application includes lithium-silicon composite oxide particle. The lithium-silicon composite oxide particles include at least one selected from the group consisting of Li2SiO3 and Li2Si2O5 and have a phase fraction ratio defined by Equation 1 of 1.0 or less. A content of particles having a diameter of less than 3 ?m is 5 vol % or less based on a total volume of the lithium-silicon composite oxide particles.
    Type: Application
    Filed: March 23, 2023
    Publication date: March 7, 2024
    Inventors: Joon Hyung MOON, Eun Jun PARK, Do Ae YU, Ju Ho CHUNG
  • Patent number: 11142465
    Abstract: Provided are a composite precursor of a cathode active material, the composite precursor including a cobalt hydroxide and a cobalt oxyhydroxide, where an X-ray diffraction spectrum of the composite precursor has a first peak observed at a diffraction angle (2?) of 19.5°±0.5° and a second peak observed at a diffraction angle (2?) of 38.5°±0.5°; a cathode active material prepared from the composite precursor; a cathode and a lithium battery including the composite precursor; and a method of preparing the composite precursor.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Hwa Kim, Do-Hyung Park, Seon-Young Kwon, Min-Han Kim, Jun-Seok Park, Ji-Hyun Kim, Kyoung-Hyun Kim
  • Patent number: 11031624
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 8, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chui Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • Patent number: 10930934
    Abstract: A positive active material for a rechargeable lithium battery including a lithium metal compound and a phosphorus (P)-containing compound on the surface of the lithium metal compound. A content of phosphorus (P) of the phosphorus-containing compound is about 0.1 atom % to about 10 atom % based on the total amount of elements on the surface of the positive active material. A method of preparing the same and rechargeable lithium battery including the same are also provided.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ming-Zi Hong, Ki-Hyun Kim, Do-Hyung Park, Jung-Min Han, Jae-Ho Lee
  • Patent number: 10868300
    Abstract: A positive active material for a rechargeable lithium battery including a core including at least one selected from a nickel-based composite oxide represented by Chemical Formula 1 or a lithium manganese oxide represented by Chemical Formula 2; and a coating layer on a surface of the core and including a lithium metal oxide represented by Chemical Formula 3, the positive active material having a peak at a 2? value of about 19° to about 22° and another peak at a 2? value of about 40° to about 45° in an X-ray diffraction pattern using a CuK? ray, is disclosed. A method of preparing the same, and a rechargeable lithium battery including the same, are also disclosed. LiNixCoyMn1-x-yO2??Chemical Formula 1 LiaMnbOc??Chemical Formula 2 Li2MO3??Chemical Formula 3 In Chemical Formulae 1 to 3, x, y, a, b, c, and M are the same as in the detailed description.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: December 15, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ming-Zi Hong, Do-Hyung Park, Seon-Young Kwon, Joong-Ho Moon, Ji-Hyun Kim, Han-Eol Park, Min-Han Kim, Myong-A Woo, Ki-Hyun Kim, Jong-Seo Choi
  • Patent number: 10784499
    Abstract: A positive active material for a rechargeable lithium battery includes a compound represented by Chemical Formula 1, LiaNixCoyMezM1kM2pO2 wherein, 0.9?a?1.1, 0.7?x?0.93, 0<y?0.3, 0<z?0.3, 0.001?k?0.006, 0.001?p?0.005, x+y+z+k+p=1, Me is Mn or Al, M1 is a divalent element, and M2 is a tetravalent element.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dae-Hoe Lee, Do-Hyung Park, Yong-Chan You, Min-Han Kim
  • Publication number: 20200235378
    Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a structure-stabilizing compound on a surface of the core. The structure-stabilizing compound includes an Al compound or a Co compound. Chemical Formula 1 is LiaNixCoyMezM1kO2?pFp where 0.9?a?1.1, 0.7?x?0.93, 0<y?0.3, 0<z?0.3, 0?k?0.005, x+y+z+k=1, 0?p?0.005, Me is Mn or Al, and Ml is Mg, Ba, B, La, Y, Ti, Zr, Mn, Si, V, P, Mo, W, or a combination thereof.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventors: Dae-Hoe LEE, Do-Hyung PARK, Yong-Chan YOU, Min-Han KIM
  • Patent number: 10637042
    Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a structure-stabilizing compound on a surface of the core. The structure-stabilizing compound includes an Al compound or a Co compound. Chemical Formula 1 is LiaNixCoyMezM1kO2?pFp where 0.9?a?1.1, 0.7?x?0.93, 0<y?0.3, 0<z?0.3, 0?k?0.005, x+y+z+k=1, 0?p?0.005, Me is Mn or Al, and M1 is Mg, Ba, B, La, Y, Ti, Zr, Mn, Si, V, P, Mo, W, or a combination thereof.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: April 28, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Hoe Lee, Do-Hyung Park, Yong-Chan You, Min-Han Kim
  • Publication number: 20190359498
    Abstract: An active material precursor having a hollow structure is represented by Formula 1: NiaMnbCocMd(OH)2??Formula 1 where, in Formula 1, 0<a?1, 0<b?1, 0<c?1, 0?d?1, and a+b+c=1; and M is at least one metal selected from the group consisting of titanium (Ti) vanadium (V), chromium (Cr), iron (Fe), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B). A method of the active material precursor includes: mixing a nickel precursor, a manganese precursor, a cobalt precursor, a metal (M) precursor, and a solvent to prepare a precursor mixture; and mixing the precursor mixture and a pH adjusting agent to adjust a pH value of the resultant to be in a range of about 11.0 to about 11.2.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: Joong-Ho Moon, Do-Hyung Park, Min-Han Kim, Ji-Hyun Kim, Seon-Young Kwon, Kyoung-Hyun Kim
  • Patent number: 10483548
    Abstract: An electron collector structure and a lithium battery including the same are disclosed. The electron collector structure includes a conductive thin film; and a graphene layer that is coated on the surface of the conductive thin film and may improve the electrical conductivity of an electrode plate. As an electrode of the lithium battery includes the electron collector structure, the electrical conductivity of the electrode may be increased so that the energy consumption properties as well as the lifespan characteristics of the lithium battery may be also improved.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: November 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Eol Park, Seon-Young Kwon, Do-Hyung Park, Jong-Seo Choi, Ji-Hyun Kim, Min-Han Kim, Joong-Ho Moon, Kyoung-Hyun Kim
  • Publication number: 20190157716
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 23, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chul Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • Patent number: 10283771
    Abstract: A positive active material includes a compound represented by Chemical Formula 1, and the positive electrode including a positive active material and a rechargeable lithium battery including the same are provided. Li(1.33?0.67x?z)Mn(0.67?0.33x?0.5y)Ni(x?0.5y+z)M(y)O2??[Chemical Formula 1] Definitions of Chemical Formula 1 are the same as in the detailed description.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: May 7, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eun-Sung Lee, Jay-Hyok Song, Sol Choi, Do-Hyung Park, Il-Seok Kim
  • Publication number: 20190097238
    Abstract: A positive active material for a rechargeable lithium battery including a lithium metal compound and a phosphorus (P)-containing compound on the surface of the lithium metal compound. A content of phosphorus (P) of the phosphorus-containing compound is about 0.1 atom % to about 10 atom % based on the total amount of elements on the surface of the positive active material. A method of preparing the same and rechargeable lithium battery including the same are also provided.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Inventors: Ming-Zi HONG, Ki-Hyun KIM, Do-Hyung PARK, Jung-Min HAN, Jae-Ho LEE
  • Patent number: 10153492
    Abstract: A positive active material for a rechargeable lithium battery including a lithium metal compound and a phosphorus (P)-containing compound on the surface of the lithium metal compound. A content of phosphorus (P) of the phosphorus-containing compound is about 0.1 atom % to about 10 atom % based on the total amount of elements on the surface of the positive active material. A method of preparing the same and rechargeable lithium battery including the same are also provided.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: December 11, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ming-Zi Hong, Ki-Hyun Kim, Do-Hyung Park, Jung-Min Han, Jae-Ho Lee
  • Patent number: 10109851
    Abstract: A composite cathode active material includes a material capable of intercalating or deintercalating lithium; and a solid ion conductor. A cathode and a lithium battery each include the composite cathode active material. A method of preparing a composite cathode active material includes: mixing a core including a cathode active material and a solid ion conductor; and forming a coating layer including the solid ion conductor on the core utilizing a dry method.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 23, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Mi Song, Ming-Zi Hong, Do-Hyung Park, Seon-Young Kwon, Joong-Ho Moon, Ju-Hyeong Han, Han-Eol Park, Min-Han Kim, Kyoung-Hyun Kim, Ki-Hyun Kim, Sang-Hoon Kim
  • Patent number: 9991511
    Abstract: A composite cathode active material includes: a core including a material capable of intercalation and deintercalation of lithium; and a first coating layer on at least one portion of the core, where the first coating layer includes zirconium oxide. A lithium battery includes a cathode including the composite cathode active material. Methods of preparing the composite cathode active material are also disclosed.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Mi Song, Ming-Zi Hong, Jeong-Hoon Kim, Do-Hyung Park, Min-Han Kim, Joong-Ho Moon, Han-Eol Park, Kyoung-Hyun Kim, Dong-Jin Kim, Jeon-Jin Choi, Gyu-Ran Jeon, Sun-Ho Kang
  • Patent number: 9979014
    Abstract: A composite cathode active material including a core comprising a lithium compound, and a coating layer formed on at least one portion of the core and including at least two oxide phases having different structures, a cathode and a lithium battery including the same, and a method of preparing the composite cathode active material.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG SDI Co., LTD.
    Inventors: Min-Han Kim, Joong-Ho Moon, Han-Eol Park, Kyoung-Hyun Kim, Do-Hyung Park, Yu-Mi Song, Ming-Zi Hong, Jeong-Hoon Kim, Dong-Jin Kim, Jeon-Jin Choi, Gyu-Ran Jeon, Sun-Ho Kang
  • Patent number: 9917305
    Abstract: In one aspect, a positive electrode active material is provided, a method of manufacturing the positive electrode active material, and a lithium battery employing the positive electrode active material. The positive electrode active material may have high thermal stability and low capacity deterioration despite repetitive charging and discharging.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 13, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chang-Hyuk Kim, Do-Hyung Park, Seon-Young Kwon, Min-Han Kim, Ji-Hyun Kim, Jeong-Seop Lee, Yoon-Chang Kim
  • Patent number: 9899677
    Abstract: A positive active material for a rechargeable lithium battery including a lithium metal oxide represented by the following Chemical Formula 1, a method of preparing the same, and a rechargeable lithium battery including the same. LiaMeM?kO2??Chemical Formula 1 In Chemical Formula 1, Me is NixCoyMnz, M? is Mg, Al, Fe, P, or a combination thereof, 0.955?a<1.05, 0.001?k?0.1, 0.5<x?0.65, 0.1<y?0.25, 0.1<z?0.25, x+y+z+k=1, M? is doped at a Li site and at least one of Ni, Co, and Mn sites, M? is doped in an amount at 0.1 mol % or 10 mol % or between 0.1 mol % and 10 mol % based on the total amount of Ni, Co, and Mn, and a doping mole ratio of M? doped at the Li site with respect to a Me site is in the following range: about 0.001?ALi/AMe?about 0.5.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: February 20, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji-Hyun Kim, Do-Hyung Park, Seon-Young Kwon, Min-Han Kim, Yu-Mi Song, Kyoung-Hyun Kim