Patents by Inventor Hee-Jae Kang

Hee-Jae 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: 20240341110
    Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following Formula 1 and at least one second host compound represented by the following Formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of host materials according to the present disclosure in the light-emitting layer, an organic electroluminescent device exhibiting low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be manufactured.
    Type: Application
    Filed: February 14, 2024
    Publication date: October 10, 2024
    Inventors: Bitnari KIM, Young-Jae KIM, Hee-Ryong KANG, Sang-Hee CHO, So-Young JUNG, Tae-Jun HAN, Mi-Ran SEO
  • Patent number: 12089616
    Abstract: The present disclosure relates to a novel concept of sauce, and specifically to a novel sauce using tempeh and a preparation method thereof. A method for preparing a tempeh-containing sauce according to the present application includes secondary fermenting tempeh with brine and other grains to prepare a fermented aged product.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: September 17, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sun A Cho, Hee Jin Kim, Hye Won Shin, Ki Moon Kang, Kil Jae Lee
  • Patent number: 12088104
    Abstract: An energy management system and a method of operation thereof are provided. The energy management system includes a receiver that receives power amount information indicating an amount of power generated by a first new and renewable energy power plant, an amount of power stored in a first energy storage device for the first new and renewable energy power plant, an amount of power generated by a second new and renewable energy power plant, and an amount of power stored in a second energy storage device for the second new and renewable energy power plant and a controller that determines an operation mode for each of the first energy storage device and the second energy storage device based on the received power amount information.
    Type: Grant
    Filed: February 15, 2024
    Date of Patent: September 10, 2024
    Assignee: EN TECHNOLOGIES INC.
    Inventors: Hyun Jae Kang, Seung Sig Nam, Tay Seek Lee, Seong Ho Yun, Hee Se Hong
  • Publication number: 20240275168
    Abstract: An energy management system and a method of operation thereof are provided. The energy management system includes a receiver that receives power amount information indicating an amount of power generated by a first new and renewable energy power plant, an amount of power stored in a first energy storage device for the first new and renewable energy power plant, an amount of power generated by a second new and renewable energy power plant, and an amount of power stored in a second energy storage device for the second new and renewable energy power plant and a controller that determines an operation mode for each of the first energy storage device and the second energy storage device based on the received power amount information.
    Type: Application
    Filed: February 15, 2024
    Publication date: August 15, 2024
    Inventors: HYUN JAE KANG, SEUNG SIG NAM, TAY SEEK LEE, SEONG HO YUN, HEE SE HONG
  • Patent number: 12046904
    Abstract: An energy storage system includes an energy storage device that stores energy generated from a new and renewable energy power plant, a power management device that monitors a total amount of power produced by at least one new and renewable energy power plant in a plurality of regions, determines an operation mode of the energy storage device based on a result of monitoring a reference capacity of an integrated line through which power of the plurality of regions is transmitted and a result of monitoring the total power amount, and controls a power capacity flowing through the integrated line according to the operation mode, and a power conversion device that receives a command corresponding to the operation mode from the power management device and controls an operation of the energy storage device according to the command.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: July 23, 2024
    Assignee: EN TECHNOLOGIES INC.
    Inventors: Hyun Jae Kang, Seung Sig Nam, Tay Seek Lee, Seong Ho Yun, Hee Se Hong
  • Publication number: 20110073223
    Abstract: A high strength ductile steel sheet for extra deep drawing mainly used for interior or exterior plates of automobile bodies, and a method for manufacturing the same are disclosed. The steel sheet comprises, by weight %, C: 0.010% or less, Si: 0.1% or less, Mn: 0.06˜1.5%, P: 0.15% or less, S: 0.020% or less, Sol. Al: 0.10˜0.40%, N: 0.010% or less, Ti: 0.003˜0.010%, Nb: 0.003˜0.040%, B: 0.0002˜0.0020%, Mo: 0.05% or less, one or both of Sb: 0.005˜0.05% and Sn: 0.005˜0.05%, a total amount of Sb and Sn being in the range of 0.005˜0.1% when both of Sb and Sn are added to the steel sheet, and the balance of Fe and other unavoidable impurities. The steel sheet has surface agglomerates having an average diameter of 1 ?m or less, and a tensile strength of 28˜50 kgf/mm2.
    Type: Application
    Filed: August 24, 2006
    Publication date: March 31, 2011
    Applicant: POSCO
    Inventors: Il-Ryoung Sohn, Kwang-Geun Chin, Hee-Jae Kang, Sung-ll Kim
  • Publication number: 20110017363
    Abstract: Provided are a high strength thin steel sheet having tensile strength of about 800 MPa or more, and a manufacturing method thereof. The thin steel sheet is mainly used for construction materials, home appliances, and automobiles. The thin steel sheet has excellent plating characteristic, welding characteristic, bending workability, and hole expansion ratio. The thin steel sheet includes, in weight %, C: 0.02-0.20%, Si: 1.5% or less, Mn: 1.5-3.0%, P: 0.001-0.10%, S: 0.010% or less, SoLAl: 0.01-0.40%, N: 0.020% or less, Cr: 0.3-1.5%, B: 0.0010-0.0060%, Sb: 0.001-0.10%, and including at least one material selected from the group consisting of Ti: 0.003-0.08%, Nb: 0.003-0.08%, and Mo: 0.003-0.08%, and includes Fe and other inevitable impurities as a remainder. Here, Si, Mn, B, Sb, P, and S meet conditions of 5<(Si/Mn+150B)/Sb<20 and C+Mn/20+Si/30+2P+4S<0.27. Also, the manufacturing method can secure workability of the thin steel sheet.
    Type: Application
    Filed: August 8, 2008
    Publication date: January 27, 2011
    Applicant: POSCO
    Inventors: Hee Jae Kang, Jin Keun Oh, Kwang Geun Chin, Jong Sang Kim
  • Patent number: 7806998
    Abstract: A super formable high strength thin steel sheet suitable for use in various applications, e.g., automobiles, and a method for manufacturing the thin steel sheet. The thin steel sheet has a composition which comprises 0.010 wt % or less of C, 0.02 wt % or less of Si, 1.5 wt % or less of Mn, 0.03-0.15 wt % or less of P, 0.02 wt % or less of S, 0.03-0.40 wt % of Sol. Al, 0.004 wt % or less of N, 0.005-0.040 wt % of Ti, 0.002-0.020 wt % of Nb, one or both of 0.001-0.02 wt % of B and 0.005-0.02 wt % of Mo, and the balance of Fe and inevitable impurities, wherein the components P, Mn, Ti, Nb and B satisfy the relationship represented by the following Formulae 1-1 and 1-2, depending on a desired tensile strength: Formula 1-1—tensile strength: 35 kg and 40 kg grades 29.1+89.4P(%)+3.9Mn(%)?133.8Ti(%)+157.5Nb(%)+0.18[B(ppm) or Mo(%)] 15=3544.9 Formula 1-2—tensile strength: 45 kg grade 29.1+98.3P(%)+4.6 Mn(%)86.5Ti(%)62.5Nb(%)+0.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: October 5, 2010
    Assignee: Posco
    Inventors: Hee-Jae Kang, Sang-Ho Han
  • Publication number: 20090272468
    Abstract: A bake-hardenable high-strength cold-rolled steel sheet, a hot-dipped steel sheet thereof, and a method for manufacturing the same. The steel sheet comprises 0.0016˜0.01% of C; 0.1% or less of Si; 0.2˜1.5% of Mn; 0.05˜0.15% of P; 0.01% or less of S; 0.08˜0.5% of (soluble) Al; 0.0025% or less of N; 0.003˜0.1% of Nb; 0.003% or less of Ti; 0.01˜0.4% of Mo; 0.0005˜0.005% of B; and the balance of Fe and other unavoidable impurities, in terms of weight %. The method includes the steps of heating a steel slab of the above composition to a temperature of 1,200° C. or more; and then hot rolling the steel slab with finish rolling at or above the Ar3 temperature to provide a hot rolled steel sheet; coiling the hot rolled steel sheet; cold rolling the hot rolled and coiled sheet; and continuous annealing the cold rolled sheet.
    Type: Application
    Filed: July 9, 2009
    Publication date: November 5, 2009
    Applicant: POSCO
    Inventors: Seong-Ho Han, Tae-Kyu Kim, Sang-Ho Han, San-Kyung Ko, Kwang-Geun Chin, Hee-Jae Kang
  • Publication number: 20080210346
    Abstract: A super formable high strength thin steel sheet suitable for use in various applications, e.g., automobiles, and a method for manufacturing the thin steel sheet. The thin steel sheet has a composition which comprises 0.010 wt % or less of C, 0.02 wt % or less of Si, 1.5 wt % or less of Mn, 0.03-0.15 wt % or less of P, 0.02 wt % or less of S, 0.03-0.40 wt % of Sol. Al, 0.004 wt % or less of N, 0.005-0.040 wt % of Ti, 0.002-0.020 wt % of Nb, one or both of 0.001-0.02 wt % of B and 0.005-0.02 wt % of Mo, and the balance of Fe and inevitable impurities, wherein the components P, Mn, Ti, Nb and B satisfy the relationship represented by the following Formulae 1-1 and 1-2, depending on a desired tensile strength: Formula 1-1—tensile strength: 35 kg and 40 kg grades 29.1+89.4P(%)+3.9Mn(%)?133.8Ti(%)+157.5Nb(%)+0.18[B(ppm) or Mo(%)] 15=3544.9 Formula 1-2—tensile strength: 45 kg grade 29.1+98.3P(%)+4.6Mn(%)86.5Ti(%)62.5Nb(%)+0.
    Type: Application
    Filed: January 18, 2008
    Publication date: September 4, 2008
    Applicant: POSCO
    Inventors: Hee-Jae Kang, Sang-Ho Han
  • Publication number: 20080196799
    Abstract: A steel sheet for deep drawing used for automobiles, and a method for manufacturing the same are disclosed. The steel sheet comprises, by weight %, C: 0.010% or less, Si: 0.02% or less, Mn: 0.06˜1.5%, P: 0.15% or less, S: 0.020% or less, Sol. Al: 0.10˜0.40%, N: 0.010% or less, Ti: 0.003˜0.010%, Nb: 0.003˜0.040%, B: 0.0002˜0.0020%, and the balance of Fe and other unavoidable impurities, wherein the composition of Ti, Al, B, and N satisfies the relationship: 1.0<(Ti[%]+Al[%]/16+6B[%])/3.43N[%]<4.1, and wherein the composition of Nb, Al, and C satisfies the relationship; 0.7<(Nb[%]+Al[%]/20)/7.75C[%]<3.5. The steel sheet exhibits excellent secondary work embrittlement, fatigue properties of welded joints, and an appealing plated surface as well as excellent formability.
    Type: Application
    Filed: July 7, 2006
    Publication date: August 21, 2008
    Applicant: POSCO
    Inventors: Hee-Jae Kang, Kwang-Keun Chin, Sang-Ho Han, Chang-Sik Choi
  • Publication number: 20070181232
    Abstract: Disclosed herein are a bake-hardenable high-strength cold-rolled steel sheet, a hot-dipped steel sheet thereof, and a method for manufacturing the same. The steel sheet comprises 0.0016˜0.01% of C; 0.1% or less of Si; 0.2˜1.5% of Mn; 0.05˜0.15% of P; 0.01% or less of S; 0.08˜0.5% of (soluble) Al; 0.0025% or less of N; 0.003˜0.1% of Nb; 0.003% of less of Ti; 0.01˜0.4% of Mo; 0.0005˜0.005% of B; and the balance of Fe and other unavoidable impurities, in terms of weight %. The steel sheet has fine AlN precipitates, and a grain size (ASTM No.) of 9 or more. The AlN precipitates have a grain size, which can suppress grain growth. The steel sheet has enhanced strength, bake hardenability, aging resistance, and secondary work embrittlement resistance.
    Type: Application
    Filed: March 22, 2005
    Publication date: August 9, 2007
    Applicant: POSCO
    Inventors: Seong-Ho Han, Tae-Kyu Kim, Sang-Ho Han, San-Kyung Ko, Kwang-Geun Chin, Hee-Jae Kang
  • Publication number: 20040250930
    Abstract: Disclosed herein are a super formable high strength thin steel sheet suitable for use in various applications, e.g., automobiles, and a method for manufacturing the thin steel sheet. The thin steel sheet has a composition which comprises 0.010 wt % or less of C, 0.02 wt % or less of Si, 1.5 wt % or less of Mn, 0.030.15 wt % or less of P, 0.02 wt % or less of S, 0.030.40 wt % of Sol. Al, 0.004 wt % or less of N, 0.0050.040 wt % of Ti, 0.0020.020 wt % of Nb, one or both of 0.0001 0.02 wt % of B and 0.0050.02 wt % of Mo, and the balance of Fe and inevitable impurities, wherein the components P. Mn, Ti, Nb and B satisfy the relationship represented by the following Formulae 1-1 and 1-2, depending on a desired tensile strength: [Formula 1-1]—tensile strength: 35 kg and 40 kg grades 29.1+89.4P(%)+3.9Mn(%)−133.8Ti(%)+157.SNb(%)+0.18[B(ppm) or Mo(%)]15=3544.9 [Formula 1-2]—tensile strength: 45 kg grade 29.1+98.3P(%)+4.
    Type: Application
    Filed: April 29, 2004
    Publication date: December 16, 2004
    Inventors: Hee-Jae Kang, Sang-Ho Han