Patents by Inventor Hee Joon Lee

Hee Joon Lee 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: 20250263542
    Abstract: A composition for vehicle parts based on recycled polypropylene includes: 15 wt % to 55 wt % of recycled polypropylene containing a first filler, a high crystallinity polypropylene, an impact modifier, and a second filler. In particular, the weight ratio of the high crystallinity polypropylene to the impact modifier is in a range of 3:1 to 11:1, the combined weight of the first filler and the second filler is from 20 wt % to 25 wt % based on the total weight of the composition, and the recycled polypropylene has a melt index in a range of 5 g/10 min to 35 g/10 min measured at 230° C. and 21.2 N according to ISO 1133-1.
    Type: Application
    Filed: May 14, 2024
    Publication date: August 21, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SK Geo Centric Co., Ltd., SK Innovation Co., Ltd.
    Inventors: Hee Joon Lee, Ki Tae Kim, Min Ho Choi, Hee Eun Lee, Doo Hong Min, Hyun Jung Jung
  • Patent number: 12229809
    Abstract: The present invention relates to a method and a computer-readable medium for providing service information including a bill customized to a user, in which when company information and industry information are received from the user through a first interface, one or more higher-order keywords are derived based on the company information and the industry information, a plurality of information to which one or more lower-order keywords matching an initial logical relation for a specific higher-order keyword selected by the user are mapped are provided to the user through a second interface according to the initial logical relation between one or more lower-order keywords that are set to each of the one or more higher-order keywords, and the user changes the initial logical relation that is preset to the specific higher-order keyword through a third interface so as to additionally receive a plurality of information matching the changed logical relation.
    Type: Grant
    Filed: September 4, 2022
    Date of Patent: February 18, 2025
    Assignee: CODIT Corp.
    Inventors: Ji Eun Chung, Hee Joon Lee
  • Patent number: 11999841
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. The thermoplastic resin composition includes a first propylene-ethylene copolymer, a second propylene-ethylene copolymer, a thermoplastic elastomer, an inorganic filler, and a sodium-phosphate-based nucleating agent as appropriate, and thus a molded article produced therefrom can exhibit improved mechanical rigidity, impact resistance, and dimensional stability. Even when formed to a low thickness for weight reduction, the molded article can be imparted with excellent processability, high tensile strength, a high flexural modulus, and high impact strength.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: June 4, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, GS CALTEX CORPORATION
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Seok Jin Yong, Hyung Tak Lee
  • Patent number: 11993702
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 ?m/m° C. or less.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: May 28, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, LOTTE CHEMICAL CORPORATION
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kyung Hwan Lim, Eun Hwa Jang
  • Patent number: 11905402
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured by 13C-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 ?m to 5 ?m, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 ?m/m·° C. or less.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: February 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HANWHA TOTAL ENERGIES PETROCHEMICAL CO., LTD.
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Jeong Gil Ko, Yoon Hwan Lee
  • Patent number: 11884802
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene composite resin including high-crystalline polypropylene and the like, an elastomer, and an inorganic filler.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: January 30, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HDC HYUNDAI ENGINEERING PLASTICS CO., LTD.
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Jin Bo Chae
  • Patent number: 11820884
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a first polypropylene resin having crystallinity of 50% to 80%, a second polypropylene resin having a coefficient of linear thermal expansion of 70 ?m/m·° C. to 90 ?m/m·° C., an elastomer, and an inorganic filler.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: November 21, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE HA CO., LTD.
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kwan Suk Ryu, Tae Kyung Lee
  • Publication number: 20230214887
    Abstract: The present invention relates to a method and a computer-readable medium for providing service information including a bill customized to a user, in which when company information and industry information are received from the user through a first interface, one or more higher-order keywords are derived based on the company information and the industry information, a plurality of information to which one or more lower-order keywords matching an initial logical relation for a specific higher-order keyword selected by the user are mapped are provided to the user through a second interface according to the initial logical relation between one or more lower-order keywords that are set to each of the one or more higher-order keywords, and the user changes the initial logical relation that is preset to the specific higher-order keyword through a third interface so as to additionally receive a plurality of information matching the changed logical relation.
    Type: Application
    Filed: September 4, 2022
    Publication date: July 6, 2023
    Inventors: Ji Eun Chung, Hee Joon Lee
  • Publication number: 20230024056
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. The thermoplastic resin composition includes a first propylene-ethylene copolymer, a second propylene-ethylene copolymer, a thermoplastic elastomer, an inorganic filler, and a sodium-phosphate-based nucleating agent as appropriate, and thus a molded article produced therefrom can exhibit improved mechanical rigidity, impact resistance, and dimensional stability. Even when formed to a low thickness for weight reduction, the molded article can be imparted with excellent processability, high tensile strength, a high flexural modulus, and high impact strength.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 26, 2023
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Seok Jin Yong, Hyung Tak Lee
  • Publication number: 20230020477
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured by 13C-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 ?m to 5 ?m, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 ?m/m·° C. or less.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 19, 2023
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Jeong Gil Ko, Yoon Hwan Lee
  • Publication number: 20230020121
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene composite resin including high-crystalline polypropylene and the like, an elastomer, and an inorganic filler.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 19, 2023
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Jin Bo Chae
  • Publication number: 20230017798
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 ?m/m° C. or less.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 19, 2023
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kyung Hwan Lim, Eun Hwa Jang
  • Publication number: 20230016858
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a first polypropylene resin having crystallinity of 50% to 80%, a second polypropylene resin having a coefficient of linear thermal expansion of 70 ?m/m° C. to 90 ?m/m° C., an elastomer, and an inorganic filler.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 19, 2023
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kwan Suk Ryu, Tae Kyung Lee
  • Patent number: 11273425
    Abstract: A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 15, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Dong Hoon Nam, Kyung Moon Lee, Hoon Mo Park, Young-Jin Cho, Byeong Soo Shin, Hee Joon Lee, Seon Jeong Huh
  • Publication number: 20210299627
    Abstract: A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 30, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Dong Hoon NAM, Kyung Moon LEE, Hoon Mo PARK, Young-Jin CHO, Byeong Soo SHIN, Hee Joon LEE, Seon Jeong HUH
  • Patent number: 10850443
    Abstract: The present invention provides a method of manufacturing a three-dimensional product having uniform mechanical properties using an SLS 3D printer including the steps of: preparing a mixed powder material by mixing resin powder and glass bubbles, wherein the specific gravity of the glass bubbles is from about 0.8 to about 1.2 times that of the resin powder; supplying the mixed powder material to the 3D printer using a roller; and selectively sintering the mixed powder material by irradiating the powder material using a laser based on 3D data of the product to be manufactured.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: December 1, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hee Joon Lee, Young Ho Choi
  • Patent number: 10851229
    Abstract: Disclosed is a resin composition for an exterior material of a vehicle. The resin composition may include an amount of about 40 to 90 parts by weight of polypropylene resin having a melt index of about 70 to 110 g/10 min; an amount of about 10 to 40 parts by weight of an olefin block copolymer including an ethylene-based repeating unit and a ?-olefin-based repeating unit having 4 to 30 carbon atoms; an amount of about 10 to 20 parts by weight of needle-shaped inorganic filler having an aspect ratio of about 5 to 10; and an 0.01 to 5 parts by weight of laser-transmitting black colorant, wherein all the parts by weights based on 100 parts by weight of the resin composition. In particular, an average transmittance may range from about 0.01 to about 1% or less in a wavelength of about 380 to 700 nm, and an average transmittance may range from about 15% or greater and less than about 100% in a wavelength of about 800 to 1200 nm.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: December 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, LG Hausys, Ltd., LG Chem, Ltd.
    Inventors: Hyun Kyung Kim, Hee Joon Lee, Jin Mi Jung, Jae Jung Yoo, Se Jeon Lee, Chun Ho Park
  • Patent number: 10822483
    Abstract: A polypropylene resin composition includes: a base resin including a propylene homopolymer having a melt index of 20 g/10 min to 35 g/10 min measured at a temperature of 230° C. and under a load of 2.16 kg and an ethylene-propylene copolymer having a melt index of 90 g/10 min to 100 g/10 min measured at a temperature of 230° C. and under a load of 2.16 kg; a thermoplastic elastomer having a melt index of 10 g/10 min to 40 g/10 min measured at a temperature of 230° C. and under a load of 2.16 kg; an inorganic filler; and a sodium phosphate-based nucleating agent.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: November 3, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, LG Hausys Ltd., GS Caltex
    Inventors: Hyun Gyung Kim, Hee Joon Lee, Seung Jae Lee, Hyung Tak Lee, Ki Hyun Sung, Chun Ho Park
  • Patent number: 10577517
    Abstract: A high-solid coating composition may include about 70 wt % to about 80 wt % of an acrylic resin; and about 15 wt % to about 21 wt % of a solvent, wherein a content of non-volatile components (NVs) is about 55 wt % to about 60 wt %, a solid by volume ratio (SVR) is about 50% to about 55%, and a combination factor (CF) value being an appearance evaluation index is about 78% or more.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: March 3, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Mobis Co., Ltd.
    Inventors: Hee Joon Lee, Ki Wan Park, Young Ho Choi, Jong Yang Park, Ju Hyun Kim, Chang Myung Song, Jung Hwan Lee
  • Publication number: 20200062941
    Abstract: A polypropylene resin composition includes a polypropylene resin having a melting index of 80 g/10 min to 95 g/10 min measured under a temperature of 230° C. and a load of 2.16 kg; a thermoplastic elastomer; and a needle-shaped inorganic filler having an aspect ratio of 5 to 10.
    Type: Application
    Filed: August 27, 2018
    Publication date: February 27, 2020
    Inventors: Chun Ho PARK, Ki Hyun SUNG, Soo Min LEE, Jae Jung YOO, Hyun Kyung KIM, Hee Joon LEE