Patents by Inventor Ki-Young Nam
Ki-Young Nam 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).
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Publication number: 20240081463Abstract: The present disclosure relates to a chin guard pivoting mechanism, and the chin guard pivoting mechanism (100) according to the present disclosure is provided in a helmet which comprises a helmet body (10), a chin guard (20) pivotally coupled to the helmet body (10), and a shield (30) pivotally coupled to the helmet body (10). When the chin guard (20) is pivoted from the front of a user's chin up to a first predetermined angle (A) with respect to the helmet body (10), the shield (30) is pivoted upward, and when the chin guard (20) is pivoted up to a second predetermined angle (B) greater than the first predetermined angle (A) with respect to the helmet body (10), the shield (30) is pivoted downward.Type: ApplicationFiled: November 22, 2021Publication date: March 14, 2024Applicant: HJC CORP.Inventors: Jin Hwan LEE, Ki Young NAM
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Publication number: 20240065364Abstract: The present disclosure relates to a chin-guard gap adjustment means for a helmet. The chin-guard gap adjustment means (100) for a helmet according to the present disclosure is mounted to a helmet that comprises: a helmet body (10); and a chin guard (20) which is rotatably coupled to the helmet body (10) and can rotate from a position in front of the chin of a wearer to a position behind or above the helmet body (10). The chin-guard gap adjustment means is coupled to the chin guard (20) and adjusts the space between the chin guard (20) and the helmet body (10).Type: ApplicationFiled: November 22, 2021Publication date: February 29, 2024Applicant: HJC CORP.Inventors: Jin Hwan LEE, Ki Young NAM
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Patent number: 11685830Abstract: The present invention relates to a flame retardant resin composition having excellent flame retardancy and improved thermal deformation properties, and a flame retardant resin molded article manufactured therefrom, and provides a flame retardant resin composition including a) a base resin including a polyarylene ether-based polymer; an aromatic vinyl-based polymer and a copolymer of vinylcyan monomer-conjugated diene monomer-aromatic vinyl monomer; b) an organophosphorus-based flame retardant; c) a hypophosphite compound; and d) a sulfur-containing compound including at least two sulfur atoms, wherein b) the organophosphorus-based flame retardant, c) the hypophosphite compound and d) the sulfur-containing compound are included in a weight ratio of 15 to 24:2 to 4:2 to 5.Type: GrantFiled: August 14, 2019Date of Patent: June 27, 2023Assignee: LG CHEM, LTD.Inventors: Je Sun Yoo, Ki Young Nam, Jae Young Sim, Seon Hyeong Bae, Jae Yeon Bae, In Seok Kim
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Publication number: 20230133560Abstract: Provided is a resin composition including 25 to 50 parts by weight of a phosphorus-based flame retardant composition, with respect to 100 parts by weight of a base resin including a graft copolymer containing a rubber polymer, and a styrene-based copolymer. The phosphorus-based flame retardant composition includes 30 wt % to 70 wt % of Mn+(diethylphosphinate)?n (M is a metal having an oxidation number of 2 to 5, and n is an integer selected from 2 to 5) and 30 wt % to 70 wt % of ammonium polyphosphate.Type: ApplicationFiled: August 6, 2021Publication date: May 4, 2023Applicant: LG CHEM, LTD.Inventors: Hee Seung YANG, Ki Young NAM, Je Sun YOO, Jae Young SIM, Seon Hyeong BAE
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Patent number: 11584849Abstract: A thermoplastic resin composition includes a first copolymer including a conjugated diene-based polymer, a unit derived from an aromatic vinyl-based monomer, and a unit derived from a vinyl cyan-based monomer; a second copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer; and, with respect to 100 parts by weight of the sum of the first copolymer and the second copolymer, 2.0 to 10 parts by weight of a third copolymer having a soft segment including a unit derived from a polyalkylene glycol and a hard segment including unit derived from an aromatic dicarboxylic acid or aromatic dicarboxylate and a unit derived from a linear aliphatic diol; and 2.5 to 10 parts by weight of a fourth copolymer including an aromatic dicarboxylic acid-derived unit, a unit derived from a linear aliphatic diol, and a unit derived from a cyclic aliphatic diol.Type: GrantFiled: January 10, 2019Date of Patent: February 21, 2023Assignee: LG CHEM, LTD.Inventors: Jae Yeon Bae, Ki Young Nam, Je Sun Yoo, Jae Yong Sim, Seon Hyeong Bae, In Seok Kim
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Publication number: 20230032692Abstract: The present invention provides a thermoplastic resin composition including a first graft copolymer including a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer; a second graft copolymer including an alkyl (meth)acrylate-based polymer, an aromatic vinyl-based monomer, a vinyl cyanide-based monomer, and an alkyl (meth)acrylate-based monomer; and a thermoplastic copolymer including an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer, wherein the first graft copolymer is included in an amount of 5 to 12% by weight, and the weight of the first graft copolymer is less than the weight of the second graft copolymer and at the same time less than the weight of the thermoplastic copolymer, and a molded article manufactured using the thermoplastic resin composition.Type: ApplicationFiled: July 15, 2021Publication date: February 2, 2023Applicant: LG CHEM, LTD.Inventors: Seokgoo JANG, Hyungseop SHIM, Ki Young NAM
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THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE INCLUDING THE SAME
Publication number: 20220411557Abstract: Disclosed is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. Also disclosed is a thermoplastic resin composition including 100 parts by weight of a base resin consisting of a graft copolymer and a non-graft copolymer, 6 to 15 parts by weight of a polyether-amide block copolymer, 0.2 to 0.9 parts by weight of a metal stearate, and 0.001 to 0.006 parts by weight of an organic pigment; a method of preparing the thermoplastic resin composition; and a molded article including the thermoplastic resin composition. Also disclosed is a thermoplastic resin composition having excellent transparency, colorability, color stability, chemical resistance, and antistatic properties, thus being suitable for use in the manufacture of medical products; a method of preparing the thermoplastic resin composition; and a molded article including the thermoplastic resin composition.Type: ApplicationFiled: July 19, 2021Publication date: December 29, 2022Applicant: LG CHEM, LTD.Inventors: Hyungseop SHIM, Seokgoo JANG, Ki Young NAM -
Patent number: 11459457Abstract: Provided is a thermoplastic resin composition which includes: a base resin including a polyarylene oxide-based polymer at 100 parts by weight; and an additive including one or more selected from the group consisting of compounds represented by Chemical Formula 1-1 to Chemical Formula 1-3 at 0.1 to 5 parts by weight, and can be used for producing a thermoplastic resin molded article which exhibits an excellent coloring property and thus has an aesthetically pleasing appearance.Type: GrantFiled: April 5, 2019Date of Patent: October 4, 2022Assignee: LG CHEM, LTD.Inventors: Je Sun Yoo, Ki Young Nam, Yong Yeon Hwang, Jae Yong Sim, Seon Hyeong Bae, Jae Yeon Bae, In Seok Kim
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Publication number: 20220135762Abstract: The present invention relates to a method for preparing a flame retardant aid, and a flame retardant resin composition including a flame retardant aid prepared by the same, wherein the method includes preparing a metal precursor solution by adding a zinc precursor and a precursor containing an M1 metal, and preparing a multi-component metal hydroxide by adding an acid or a base to the metal precursor solution to proceed with a sol-gel reaction.Type: ApplicationFiled: September 22, 2020Publication date: May 5, 2022Inventors: Hee Seung YANG, Ki Young NAM, Jae Young SIM, Seon Hyeong BAE
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Publication number: 20210246306Abstract: The present invention relates to a nonhalogen flame retardant resin composition having excellent flame retardancy and improved thermal deformation properties, and a flame retardant resin molded article manufactured therefrom, and provides a nonhalogen flame retardant resin composition including a) a base resin including a polyarylene ether-based polymer; an aromatic vinyl-based polymer and a copolymer of vinylcyan-based monomer-conjugated-based diene monomer-aromatic vinyl-based monomer; b) an organophosphorus-based flame retardant; c) a hypophosphite compound; and d) a sulfur-containing compound including at least two sulfur atoms, wherein b) the organophosphorus-based flame retardant, c) the hypophosphite compound and d) the sulfur-containing compound are included in a weight ratio of 15 to 24:2 to 4:2 to 5.Type: ApplicationFiled: August 14, 2019Publication date: August 12, 2021Inventors: Je Sun YOO, Ki Young NAM, Jae Young SIM, Seon Hyeong BAE, Jae Yeon BAE, In Seok KIM
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Publication number: 20210198484Abstract: Provided is a thermoplastic resin composition which includes: a base resin including a polyarylene oxide-based polymer at 100 parts by weight; and an additive including one or more selected from the group consisting of compounds represented by Chemical Formula 1-1 to Chemical Formula 1-3 at 0.1 to 5 parts by weight, and can be used for producing a thermoplastic resin molded article which exhibits an excellent coloring property and thus has an aesthetically pleasing appearance.Type: ApplicationFiled: April 5, 2019Publication date: July 1, 2021Inventors: Je Sun YOO, Ki Young NAM, Yong Yeon HWANG, Jae Yong SIM, Seon Hyeong BAE, Jae Yeon BAE, In Seok KIM
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Publication number: 20210171761Abstract: A thermoplastic resin composition includes a first copolymer including a conjugated diene-based polymer, a unit derived from an aromatic vinyl-based monomer, and a unit derived from a vinyl cyan-based monomer; a second copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer; and, with respect to 100 parts by weight of the sum of the first copolymer and the second copolymer, 2.0 to 10 parts by weight of a third copolymer having a soft segment including a unit derived from a polyalkylene glycol and a hard segment including unit derived from an aromatic dicarboxylic acid or aromatic dicarboxylate and a unit derived from a linear aliphatic diol; and 2.5 to 10 parts by weight of a fourth copolymer including an aromatic dicarboxylic acid-derived unit, a unit derived from a linear aliphatic diol, and a unit derived from a cyclic aliphatic diol.Type: ApplicationFiled: January 10, 2019Publication date: June 10, 2021Inventors: Jae Yeon BAE, Ki Young NAM, Je Sun YOO, Jae Yong SIM, Seon Hyeong BAE, In Seok KIM
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Patent number: 10836898Abstract: The present invention relates to a non-halogen flame retardant resin composition. More particularly, the present invention provides a non-halogen flame retardant resin composition capable of simultaneously exhibiting superior flame retardancy, whiteness, and gloss by addressing problems of a flame retardant resin such as difficulties in realizing V-1 grade or higher flame retardancy when a non-halogen flame retardant is used and poor colorability due to low gloss and whiteness.Type: GrantFiled: October 26, 2017Date of Patent: November 17, 2020Assignee: LG CHEM, LTD.Inventors: Je Sun Yoo, Ki Young Nam, Yong Yeon Hwang, Jae Young Sim, Seon Hyeong Bae, Jae Yeon Bae, In Seok Kim
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Publication number: 20190100647Abstract: The present invention relates to a non-halogen flame retardant resin composition. More particularly, the present invention provides a non-halogen flame retardant resin composition capable of simultaneously exhibiting superior flame retardancy, whiteness, and gloss by addressing problems of a flame retardant resin such as difficulties in realizing V-1 grade or higher flame retardancy when a non-halogen flame retardant is used and poor colorability due to low gloss and whiteness.Type: ApplicationFiled: October 26, 2017Publication date: April 4, 2019Inventors: Je Sun YOO, Ki Young NAM, Yong Yeon HWANG, Jae Young SIM, Seon Hyeong BAE, Jae Yeon BAE, In Seok KIM
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Patent number: 10093823Abstract: The present invention relates to a flame retardant resin composition including (A) 100 parts by weight of a blend resin composition including a styrene copolymer and a polyester elastomer, (B) 1 to 30 parts by weight of an epoxy resin, and (C) 1 to 30 parts by weight of a phosphor-based flame retardant agent. The flame retardant resin composition has improved flame retardant properties and flexibility and is used for coating a wire and a cable.Type: GrantFiled: October 14, 2014Date of Patent: October 9, 2018Assignee: LG CHEM, LTD.Inventors: Jae Young Sim, Ki Young Nam, Yong Yeon Hwang, Je Sun Yoo, Seon Hyeong Bae, Jae Yeon Bae
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Patent number: 10011710Abstract: The present disclosure relates to a flame retardant thermoplastic resin composition having superior thermal stability, and a molded article manufactured from the same. More particularly, the present disclosure provides a flame retardant thermoplastic resin composition exhibiting both superior thermal stability and flame retardancy without harmful gas generation even when injection-molded at high temperature, high pressure, and high speed and a molded article manufactured from the same.Type: GrantFiled: October 18, 2016Date of Patent: July 3, 2018Assignee: LG CHEM, LTD.Inventors: Je Sun Yoo, Ki Young Nam, Yong Yeon Hwang, Jae Young Sim, Seon Hyeong Bae, Jae Yeon Bae, In Seok Kim
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Publication number: 20170342254Abstract: The present disclosure relates to a flame retardant thermoplastic resin composition having superior thermal stability, and a molded article manufactured from the same. More particularly, the present disclosure provides a flame retardant thermoplastic resin composition exhibiting both superior thermal stability and flame retardancy without harmful gas generation even when injection-molded at high temperature, high pressure, and high speed and a molded article manufactured from the same.Type: ApplicationFiled: October 18, 2016Publication date: November 30, 2017Inventors: Je Sun YOO, Ki Young NAM, Yong Yeon HWANG, Jae Young SIM, Seon Hyeong BAE, Jae Yeon BAE, In Seok KIM
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Patent number: 9790355Abstract: Disclosed is a thermoplastic resin composition. Due to addition of the epoxy-based resin, the phosphorous-based flame retardant, the silicon-based compound and the calcium carbonate to the basic resin according to the present invention, a thermoplastic resin composition having superior flame retardancy and excellent rigidity, heat resistance and processability, and a molded article manufactured therefrom may be provided.Type: GrantFiled: October 14, 2015Date of Patent: October 17, 2017Assignee: LG CHEM, LTD.Inventors: Je Sun Yoo, Ki Young Nam, Yong Yeon Hwang, Jae Young Sim, Seon Hyeong Bae, Jae Yeon Bae
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Patent number: 9771833Abstract: A hydrostatic test device for a turbine may include a plurality of feeding holes having a groove part formed with a greater diameter. Sealing members may be fitted into feeding holes in upper or lower casings of a turbine to seal the feeding holes.Type: GrantFiled: December 16, 2014Date of Patent: September 26, 2017Assignee: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.Inventors: Ki Young Nam, Seung Hack Baek, Ho Joo Song
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Patent number: 9522609Abstract: A thermal management system is provided which may be miniaturized and may have a reduced weight by integrating thermal management parts in a fuel cell vehicle. In particular, a new type of thermal management system integrated housing in which a housing of a pump housing part, a housing of a 3-way valve fluid part, and a bypass channel among parts of the thermal management system for a fuel cell vehicle are integrated into a single structure to reduce the size of the overall system.Type: GrantFiled: December 4, 2014Date of Patent: December 20, 2016Assignee: Hyundai Motor CompanyInventors: Min Kyu Lee, Hun Woo Park, Seung Yong Lee, Sung Wook Na, Ki Young Nam, Su Dong Han, Hyung Kook Kim, Hark Koo Kim