Patents by Inventor In-Sik Nam
In-Sik 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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Patent number: 11987667Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.Type: GrantFiled: August 11, 2023Date of Patent: May 21, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Do Young Kim, Hyun Sik Yang, Yu Hyun Kim, Ki Yup Kim, Joo Hyun Nam, Chul Soon Moon, Ji Hae Park, Sung Won Lee, Jun Haeng Lee, Ho Seung Lee
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Publication number: 20240154131Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.Type: ApplicationFiled: February 15, 2022Publication date: May 9, 2024Inventors: Jung Ho KIM, Jun Young KIM, Kah Young SONG, Nak Won KONG, Ju Sung LEE, Kyoung Sik NAM, Chan Mi PARK
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Patent number: 11975855Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.Type: GrantFiled: August 20, 2021Date of Patent: May 7, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Chung Sik Yim, Yong Hyun Nam, Jae Young Choi, Sang Hyun Jung, Dae Hee Lee, Jae Seung Lee, Kyu Hoon Cho
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Publication number: 20240124962Abstract: A steel for a gear includes, based on a total weight of the steel: C: 0.10-0.30 wt %, Si: 0.60-0.80 wt %, Mn: 0.25-0.75 wt %, Cr: 1.80-2.20 wt %, Ni: 0.50-1.50 wt %, Mo: 0.20-0.40 wt %, Nb: 0.025-0.050 wt %, V: 0.030-0.050 wt %, and a balance of Fe and inevitable impurities, wherein contents of Nb and V satisfy the following <Relationship Formula 1>: 0.055<[Nb]+[V]<0.100??<Relationship Formula 1>, wherein [Nb] represents a content of Nb and [V] represents a content of V.Type: ApplicationFiled: December 26, 2023Publication date: April 18, 2024Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI STEEL COMPANYInventors: In Beom Lee, Min Woo Kang, Min Woo Kang, Dong Hwi Kim, Chang Won Kang, Myung Sik Kim, Sung Min Hong, Gung Seung Nam, Sang Won Lee
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Patent number: 11955516Abstract: A semiconductor device includes first and second active patterns, a field insulating film between the first and second active patterns, a first gate structure intersecting the first active pattern and including a first gate electrode and a first gate spacer, a second gate structure intersecting the second active pattern and including a second gate electrode and a second gate spacer, a gate separation structure on the field insulating film between the first and second gate structures, the gate separation structure including a gate separation filling film on a gate separation liner, and a connecting spacer between the gate separation structure and the field insulating film, the connecting spacer protruding from a top surface of the field insulating film, and the gate separation liner contacting the connecting spacer and extending along a top surface and sidewalls of the connecting spacer and along the top surface of the field insulating film.Type: GrantFiled: January 27, 2023Date of Patent: April 9, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-Jun Kim, Woong Sik Nam, Mirco Cantoro
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Publication number: 20240097174Abstract: The present disclosure relates to a secondary battery manufacturing system having a multi-packaging unit, in which multiple packaging units of a secondary battery manufacturing facility are provided and a transfer box on which an electrode assembly is accommodated is transferred to each packaging unit by a transfer unit, wherein the secondary battery manufacturing system includes: an electrode supply unit equipped with a plurality of stacking devices for supplying an electrode assembly in which a plurality of battery cells are stacked; a tab-welding unit; at least one packaging unit; at least one temporary buffer; and a transfer unit.Type: ApplicationFiled: September 14, 2023Publication date: March 21, 2024Inventors: Yong Uk SHIN, Sang Sik CHO, Dae Woon NAM, Dong Jin PARK, Jae Gyun CHOI, Chi Hong AN
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Publication number: 20240079630Abstract: The present disclosure relates to a secondary battery manufacturing system in which a packaging unit of a secondary battery manufacturing facility are configured to have multiple packaging units, and having a multipackaging unit such that a transfer box in which an electrode assembly is seated is transferred to each of the packaging units by a transfer unit, and including an electrode supply unit having a plurality of stacking devices supplying an electrode assembly in which a plurality of battery cells are stacked, a tab welding unit, at least one packaging unit, at least one temporary buffer, and a transfer unit.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Inventors: Yong Uk SHIN, Sang Sik CHO, Dae Woon NAM, Dong Jin PARK, Jae Gyun CHOI, Chi Hong AN
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Publication number: 20240079597Abstract: Proposed is an all-solid-state battery including a self-standing sheet layer positioned on a negative electrode current collector. The all-solid-state battery may include the negative electrode current collector, the self-standing sheet layer positioned on the negative electrode current collector, a solid electrolyte layer positioned on the sheet layer, a positive electrode active material layer positioned on the solid electrolyte layer, and a positive electrode current collector positioned on the positive electrode active material layer. The sheet layer contains carbon nanotubes.Type: ApplicationFiled: May 4, 2023Publication date: March 7, 2024Applicants: Hyundai Motor Company, Kia Corporation, Foundation of Soongsil University-Industry CooperationInventors: Jae Min Lim, Hee Soo Kang, Young Jin Nam, Soon Chul Byun, Young Jin Jeong, Gyo Sik Kim, Hae Joo Kim, Jeong Yun Lee
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Publication number: 20240074258Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.Type: ApplicationFiled: May 5, 2023Publication date: February 29, 2024Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
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Publication number: 20240030460Abstract: Provided is a membrane-electrode assembly having improved binding strength between a polymer electrolyte membrane and a catalyst layer and improved durability of the catalyst layer. An embodiment of the present invention provides a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer disposed on at least one surface of the polymer electrolyte membrane, wherein the catalyst layer contains a first composite and a second composite; the first composite contains a first catalyst containing a support and first metal particles supported on the support, and a first ionomer coated on the surface of the first catalyst; the second composite contains a second catalyst that contains second metal particles and is not supported on a support, and a second ionomer that is not coated on the surface of the second catalyst; and the first ionomer and the second ionomer are identical with or different from each other.Type: ApplicationFiled: November 30, 2021Publication date: January 25, 2024Inventors: Jung Ho KIM, Gyong Bum KO, Jun Young KIM, Sang ll LEE, Kah Young SONG, Dong Jun CHO, Nak Won KONG, Hyeong Su KIM, Kyoung Sik NAM, Ju Sung LEE, Chan Mi PARK, Sun Young JEONG
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Publication number: 20230411633Abstract: The present invention relates to a catalyst layer for a fuel cell, a method for producing the catalyst layer, and a membrane-electrode assembly and a fuel cell including the catalyst layer. More particularly, the invention relates to a catalyst layer for a fuel cell, the catalyst layer including a catalyst, a heat dissipation material, and an ionomer and having an effect that the heat generated by an exothermic reaction in the catalyst layer can be efficiently discharged to the outside and a phenomenon of deterioration of a membrane-electrode assembly caused by temperature increase in the catalyst layer can be suppressed; a method for producing the catalyst layer; and a membrane-electrode assembly and a fuel cell, both including the catalyst layer.Type: ApplicationFiled: December 3, 2021Publication date: December 21, 2023Inventors: Jung Ho KIM, Jun Young KIM, Gyong Bum KO, Sang II LEE, Kah Young SONG, Dong Jun CHO, Nak Won KONG, Hyeong Su KIM, Kyoung Sik NAM, Ju Sung LEE, Chan Mi PARK, Sun Young JEONG
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Publication number: 20230307342Abstract: A circuit board according to an embodiment includes an insulating layer; a circuit pattern disposed on the insulating layer; and a first protective layer disposed on the insulating layer, wherein the first protective layer includes a first opening vertically overlapping at least a part of an upper surface of the circuit pattern; wherein an inner wall of the first protective layer constituting the first opening includes: a first portion having a first inclination, and a second portion disposed on the first portion and having a second inclination different from the first inclination, and wherein the first portion overlaps the circuit pattern in a horizontal direction.Type: ApplicationFiled: August 25, 2021Publication date: September 28, 2023Applicant: LG INNOTEK CO., LTD.Inventor: Il Sik NAM
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Publication number: 20230271166Abstract: The present invention relates to a method of preparing a photocatalyst composite nanofiber using coaxial electrospinning and a photocatalyst composite nanofiber prepared by the same method, and when the photocatalyst composite nanofiber is prepared by such a method, noble metal particles are located on the fiber surface and rGO surrounds the nanofiber, thereby improving photocatalytic performance and reducing costs, and being capable of being applied in various industrial fields for antibacterial treatment and deodorization.Type: ApplicationFiled: December 14, 2022Publication date: August 31, 2023Inventors: Jung Ho HWANG, Sang Mo KANG, Kang Sik NAM, Ji Soo CHOI
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Patent number: 11728409Abstract: A semiconductor device includes first and second active patterns each extending in a first direction and are spaced apart from each other in a second direction that is perpendicular to the first direction. A field insulating layer is disposed between the first active pattern and the second active pattern. A first gate structure is disposed on the first active pattern and extends in the second direction. An interlayer insulating layer is disposed between the first gate structure and the field insulating layer. The interlayer insulating layer includes a first part disposed below the first gate structure. A spacer is disposed between the first gate structure and the first part of the interlayer insulating layer.Type: GrantFiled: December 4, 2020Date of Patent: August 15, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sun Hye Lee, Sung Soo Kim, Ik Soo Kim, Woong Sik Nam, Dong Hyun Roh
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Publication number: 20230253581Abstract: Disclosed are a membrane-electrode assembly and a manufacturing method therefor, in which an electrode is modularized into a degradation-susceptible portion and the remaining portion so as to be conveniently repaired by replacing the degraded module, thereby enabling the reduction of time and costs for maintenance and repair. The membrane-electrode assembly of the present invention comprises: a first electrode; a second electrode; and an electrolyte membrane between the first and second electrodes, wherein the first electrode comprises first and second electrode modules which are separable from each other.Type: ApplicationFiled: November 18, 2021Publication date: August 10, 2023Inventors: Ju Sung LEE, Nak Won KONG, Jung Ho KIM, Jun Young KIM, Kyoung Sik NAM, Chan Mi PARK, Kah Young SONG
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Patent number: 11698179Abstract: A lighting apparatus of vehicles may include a light source unit of emitting light; a first reflection unit of reflecting light incident from the light source unit to discharge the reflected light outside the first reflection unit; a second reflection unit rotatably provided between the light source unit and the first reflection unit to reflect light for allowing light emitted by the light source unit to move to the first reflection unit or blocking the light such that the light is not moved to the first reflection unit and reflecting the light at a position different from the first reflection unit to discharge the light outside depending on a rotational position of the second reflection unit; and a driving unit connected to the second reflection unit and configured of adjusting the rotational position of the second reflection unit.Type: GrantFiled: November 12, 2021Date of Patent: July 11, 2023Assignees: Hyundai Motor Company, Kia Corporation, SL CorporationInventors: Jung Wook Lim, Byoung Suk Ahn, Ki Hong Lee, Seung Hyeok Chang, Jung Hee Seo, Ji Yeon Kim, Yoo Jin Son, Jong Young Kim, Jin Sik Nam, Dong Hyun Go, Mi Hyang Park
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Publication number: 20230217593Abstract: A package substrate according to an embodiment includes an insulating layer; a first outer circuit pattern disposed on an upper surface of the insulating layer; a second outer circuit pattern disposed under a lower surface of the insulating layer; a first connection portion disposed on an upper surface of a first-first circuit pattern of the first outer circuit pattern; a first contact portion disposed on the first connection portion; a first device disposed on the first connection portion through the first contact portion; a second contact portion disposed under a lower surface of a second-first circuit pattern of the second outer circuit pattern; a second device attached to the second-first circuit pattern through the second contact portion; and a second connection portion disposed under a lower surface of a second-second circuit pattern of the second outer circuit pattern; wherein the first connection portion is disposed with a first width and a first interval, and wherein the second connection portion isType: ApplicationFiled: May 26, 2021Publication date: July 6, 2023Inventors: Il Sik NAM, Dong Keun LEE, Hye Jin JO
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Patent number: 11613845Abstract: The present invention relates to an apparatus for manufacturing artificial leather, the apparatus including an embossing molding device capable of efficiently forming an embossed pattern on the surface of artificial leather through vacuum adsorption molding and a method of manufacturing artificial leather using the apparatus.Type: GrantFiled: September 11, 2018Date of Patent: March 28, 2023Assignee: LG Hausys, Ltd.Inventors: Kitae Kim, Jun Hyoung Kim, Eun Sik Nam, Jae Bong Hwang
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Patent number: 11569349Abstract: A semiconductor device includes first and second active patterns, a field insulating film between the first and second active patterns, a first gate structure intersecting the first active pattern and including a first gate electrode and a first gate spacer, a second gate structure intersecting the second active pattern and including a second gate electrode and a second gate spacer, a gate separation structure on the field insulating film between the first and second gate structures, the gate separation structure including a gate separation filling film on a gate separation liner, and a connecting spacer between the gate separation structure and the field insulating film, the connecting spacer protruding from a top surface of the field insulating film, and the gate separation liner contacting the connecting spacer and extending along a top surface and sidewalls of the connecting spacer and along the top surface of the field insulating film.Type: GrantFiled: May 28, 2021Date of Patent: January 31, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho-Jun Kim, Woong Sik Nam, Mirco Cantoro
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Patent number: 11553643Abstract: Disclosed is a mobile robot configured to cut lawn in a work area. The mobile robot may include a main body, a weight sensing sensor, an obstacle sensing sensor, a blade, and a processor. The mobile robot may execute an artificial intelligence (AI) algorithm and/or a machine learning algorithm, and perform communication with other electronic devices in a 5G communication environment. As a result, it is possible to enhance user convenience.Type: GrantFiled: October 2, 2019Date of Patent: January 17, 2023Assignee: LG ELECTRONICS INC.Inventors: Moon Sik Nam, Jung Sik Kim