Patents by Inventor Chang-Wook Lee
Chang-Wook 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).
-
Patent number: 11973277Abstract: Disclosed is a 5G NR antenna device. An antenna module includes an antenna material formed of a metal material and having a semi-planar inverted-F antenna (PIFA) structure, and a support formed in the shape of a hexahedron with side and bottom faces that are bent from the antenna material by stamping, wherein the support and the antenna material are formed as an integral body.Type: GrantFiled: February 22, 2022Date of Patent: April 30, 2024Assignee: Tyco Electronics AMP Korea Co., Ltd.Inventors: Jung-Hoon Kim, Chang Hyun Lee, Dong Wook Park
-
Patent number: 11933207Abstract: Exhaust systems are described. In examples, an exhaust flow path couples exhaust ports with one or more turbochargers of an engine. The exhaust flow path may have a portion flowing through a cylinder head (e.g., couplable to the exhaust ports) and a portion flowing through an exhaust manifold (couplable to the cylinder head and the turbocharger(s)). The flow paths may be shaped to reduce the sharpness of turns between the exhaust ports and the turbocharger(s). For example, curves along the flow path may be less than 90 degrees or have a minimum curve radius, which may vary along the flow path. Additionally, at least two, independent flow paths may exist between the exhaust ports and the turbocharger(s). The cross-sectional shape of any part of the flow path may be elliptical, including at inlets and outlets.Type: GrantFiled: June 23, 2022Date of Patent: March 19, 2024Assignee: PACCAR IncInventors: Greg Bonsen, Paul Hancock, Huateng Yang, Chang-Wook Lee, Olivier Lebastard
-
Patent number: 11930986Abstract: A dishwasher having a structure to prevent deformation of an accommodating container includes a main body, a tub provided inside the main body and including an opening, a door provided to open and close the opening of the tub, a guide rail mounted on an inner wall of the tub, an accommodating container provided to accommodate tableware and be movable along the guide rail, and including a front portion facing the opening and a rear portion, at least one roller rotatably mounted on the rear portion of the accommodating container so that the accommodating container is movable along the guide rail, and a support holder formed on the front portion of the accommodating container to be supported on at least one of the guide rail and the inner wall of the tub.Type: GrantFiled: August 2, 2019Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Johannes Büsing, Woo Jin Shin, Chang Wook Lee, Sang Soo Choi
-
Publication number: 20240086603Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
-
Publication number: 20240072423Abstract: An antenna assembly for use with a wireless communication wearable device. The antenna assembly includes a circuit board with components extending from a surface thereof. The antenna assembly has a first radiator antenna and a second radiator antenna which extends about the perimeter of the first antenna. A first slot is provided between the first radiator antenna and the second radiator antenna. The first slot separates the first radiator antenna from the second radiator antenna.Type: ApplicationFiled: August 29, 2022Publication date: February 29, 2024Applicants: TE Connectivity Solutions GmbH, Tyco Electronics AMP Korea Co., Ltd.Inventors: Chang Hyun LEE, Jung-Hoon Kim, Dong Wook Park, Kiran Vanjani
-
Publication number: 20240060443Abstract: Exhaust systems are described. In examples, an exhaust flow path couples exhaust ports with one or more turbochargers of an engine. The exhaust flow path may have a portion flowing through a cylinder head (e.g., couplable to the exhaust ports) and a portion flowing through an exhaust manifold (couplable to the cylinder head and the turbocharger(s)). The flow paths may be shaped to reduce the sharpness of turns between the exhaust ports and the turbocharger(s). For example, curves along the flow path may be less than 90 degrees or have a minimum curve radius, which may vary along the flow path. Additionally, at least two, independent flow paths may exist between the exhaust ports and the turbocharger(s). The cross-sectional shape of any part of the flow path may be elliptical, including at inlets and outlets.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Applicant: PACCAR IncInventors: Greg BONSEN, Paul HANCOCK, Huateng YANG, Chang-Wook LEE, Olivier LEBASTARD
-
Publication number: 20230417168Abstract: Exhaust systems are described. In examples, an exhaust flow path couples exhaust ports with one or more turbochargers of an engine. The exhaust flow path may have a portion flowing through a cylinder head (e.g., couplable to the exhaust ports) and a portion flowing through an exhaust manifold (couplable to the cylinder head and the turbocharger(s)). The flow paths may be shaped to reduce the sharpness of turns between the exhaust ports and the turbocharger(s). For example, curves along the flow path may be less than 90 degrees or have a minimum curve radius, which may vary along the flow path. Additionally, at least two, independent flow paths may exist between the exhaust ports and the turbocharger(s). The cross-sectional shape of any part of the flow path may be elliptical, including at inlets and outlets.Type: ApplicationFiled: June 23, 2022Publication date: December 28, 2023Applicant: PACCAR IncInventors: Greg BONSEN, Paul HANCOCK, Huateng YANG, Chang-Wook LEE, Olivier LEBASTARD
-
Publication number: 20230347444Abstract: A hot-stamped article and a method of manufacturing same use a tailor welded blank (TWB) method capable of controlling the microstructure of a weld portion to prevent fracture of the weld portion. The method includes: preparing a first sheet and a second sheet having different upper austenite transformation temperatures (A3 temperatures); welding the first sheet and the second sheet using a TWB method to prepare a welded sheet obtained as a result of the first sheet and the second sheet being welded to each other via a weld portion; and hot-stamping the welded sheet heated within a temperature range between an A3 temperature of the first sheet and an A3 temperature of the second sheet.Type: ApplicationFiled: June 7, 2023Publication date: November 2, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chang Wook Lee, Yeon Jung Hwang
-
Patent number: 11737639Abstract: A dishwasher includes a main body, a tub provided in the inside of the main body, a basket provided in the inside of the tub to store dishes, an injection unit configured to spray wash water to wash dishes in the basket, and a circulation pump configured to circulate wash water, a sump arranged on a lower surface of the tub, and a connector provided to connect the circulation pump to the injection unit and having a tubular shape. The sump includes a coupling portion extending upward from the lower surface of the tub, and the connector and the injection unit are connected to each other in the inside of the tub by being coupled to the coupling portion.Type: GrantFiled: December 27, 2019Date of Patent: August 29, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Johannes Büsing, Chang Wook Lee, Kyu Ha Lee
-
Patent number: 11724338Abstract: A hot-stamped article and method of manufacturing same use a tailor welded blank (TWB) method capable of controlling the microstructure of a weld portion to prevent fracture of the weld portion. The hot-stamped article is manufactured by welding a first sheet and a second sheet made of different kinds of materials to each other using the TWB method and hot-stamping a welded sheet. The first sheet and the second sheet have different upper austenite transformation temperatures (A3 temperatures), the first sheet and the second sheet are welded to each other via a weld portion, each of the first sheet and the weld portion has a composite structure comprising ferrite, bainite, and martensite, and the second sheet has a martensite structure.Type: GrantFiled: April 30, 2021Date of Patent: August 15, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chang Wook Lee, Yeon Jung Hwang
-
Publication number: 20230193417Abstract: Disclosed is a hot stamped part, which has improved toughness while maintaining high strength and high hardness, and a method for manufacturing the same. The hot stamped part is formed by performing hot stamping using an iron-based alloy, and includes a reinforced portion formed to have a martensite structure, a softened portion formed to have ferrite and bainite structures, and a transition portion formed between the reinforced portion and the softened portion. The reinforced portion, the transition portion and the softened portion are formed in the thickness direction of the hot stamped part.Type: ApplicationFiled: February 15, 2023Publication date: June 22, 2023Inventors: Yeon Jung Hwang, Jae Ik Yoon, Chang Wook Lee
-
Patent number: 11649521Abstract: A hot stamping component and a manufacturing method thereof include: (a) preparing a blank including 0.27 to 0.33 wt % of carbon (C), more than 0 and 0.40 wt % or less of silicon (Si), 1.10 to 1.60 wt % of manganese (Mn), more than 0 and 0.030 wt % or less of phosphorus (P), more than 0 and 0.015 wt % or less of sulfur (S), 0.10 to 0.60 wt % of chromium (Cr), more than 0 and 0.1 wt % or less of titanium (Ti), and 0.0008 to 0.0050 wt % of boron (B); (b) heat-treating the blank; and (c) molding the heat-treated blank and cooling the molded blank. The component and method may stably provide high strength by minimizing hydrogen charging in a hot stamping manufacturing process and preventing hydrogen delayed fracture due to the hydrogen charging.Type: GrantFiled: May 7, 2021Date of Patent: May 16, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chang-Wook Lee, Yeon-Jung Hwang
-
Patent number: 11471023Abstract: Provided is a dishwasher with a structure capable of improving ease of use. The dishwasher may be installed in a built-in type in a system kitchen including a cabinet having an accommodating space and a counter positioned on the cabinet and including an opening. The dishwasher may include: a tub including a front opening; a front door configured to open or close the front opening; a top door configured to open or close the opening; a basket positioned in the inside of the tub, the basket being taken out through the front opening; and an additional basket being taken out through the opening.Type: GrantFiled: May 24, 2018Date of Patent: October 18, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Soo Choi, Sung Jin Kim, Chang Wook Lee, Seung Gee Hong
-
Patent number: 11412915Abstract: A dish washer includes: a main body; a tub positioned in the inside of the main body, wherein an object that is to be washed is washed in the tub; and an accommodating container positioned in the inside of the tub and accommodating the object that is to be washed, wherein the accommodating container includes: a frame forming an accommodating space in which the object that is to be washed is accommodated; and a shaft rotatably supporting a roller configured to move the accommodating container, wherein both ends of the shaft are supported on the frame.Type: GrantFiled: June 28, 2019Date of Patent: August 16, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Johannes Büsing, Woo Jin Shin, Chang Wook Lee, Sang Soo Choi
-
Publication number: 20220161360Abstract: A hot-stamped article and method of manufacturing same use a tailor welded blank (TWB) method capable of controlling the microstructure of a weld portion to prevent fracture of the weld portion. The hot-stamped article is manufactured by welding a first sheet and a second sheet made of different kinds of materials to each other using the TWB method and hot-stamping a welded sheet. The first sheet and the second sheet have different upper austenite transformation temperatures (A3 temperatures), the first sheet and the second sheet are welded to each other via a weld portion, each of the first sheet and the weld portion has a composite structure comprising ferrite, bainite, and martensite, and the second sheet has a martensite structure.Type: ApplicationFiled: April 30, 2021Publication date: May 26, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chang Wook Lee, Yeon Jung Hwang
-
Publication number: 20220162722Abstract: A hot stamping component and a manufacturing method thereof include: (a) preparing a blank including 0.27 to 0.33 wt % of carbon (C), more than 0 and 0.40 wt % or less of silicon (Si), 1.10 to 1.60 wt % of manganese (Mn), more than 0 and 0.030 wt % or less of phosphorus (P), more than 0 and 0.015 wt % or less of sulfur (S), 0.10 to 0.60 wt % of chromium (Cr), more than 0 and 0.1 wt % or less of titanium (Ti), and 0.0008 to 0.0050 wt % of boron (B); (b) heat-treating the blank; and (c) molding the heat-treated blank and cooling the molded blank. The component and method may stably provide high strength by minimizing hydrogen charging in a hot stamping manufacturing process and preventing hydrogen delayed fracture due to the hydrogen charging.Type: ApplicationFiled: May 7, 2021Publication date: May 26, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chang-Wook Lee, Yeon-Jung Hwang
-
Publication number: 20220154305Abstract: Disclosed is a hot stamped part, which has improved toughness while maintaining high strength and high hardness, and a method for manufacturing the same. The hot stamped part is formed by performing hot stamping using an iron-based alloy, and includes a reinforced portion formed to have a martensite structure, a softened portion formed to have ferrite and bainite structures, and a transition portion formed between the reinforced portion and the softened portion. The reinforced portion, the transition portion and the softened portion are formed in the thickness direction of the hot stamped part.Type: ApplicationFiled: May 4, 2021Publication date: May 19, 2022Inventors: Yeon Jung Hwang, Jae Ik Yoon, Chang Wook Lee
-
Patent number: 11324383Abstract: A dishwasher including a nozzle capable of widening an injection region of washing water includes a main body, a washing tub provided inside the main body, and a nozzle configured to inject washing water into the inside of the washing tub, wherein the nozzle includes an injection port through which the washing water is injected, a guide portion configured to spirally guide the washing water injected through the injection port, and a leg portion configured to connect the guide portion and the injection port.Type: GrantFiled: December 3, 2019Date of Patent: May 10, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Wook Lee, Eun Seok Kim
-
Patent number: 11324381Abstract: A dish washer including: a main body; a tub; a basket configured to receive dishes; a first sprayer and a second sprayer configured to spray water toward the basket; a circulating pump configured to circulate water; and an alternating device configured to provide water from the circulating pump to at least one of the first sprayer or the second sprayer, wherein the alternating device includes a housing including a communicating portion to receive water, and a distributor rotatably positioned inside the housing and formed in the shape of a cylinder, and the distributor includes an inlet portion corresponding to the communicating portion, and at least one distributing hole formed in an outer circumference of the distributor, providing water to at least the one sprayer or the second sprayer, and a guide positioned inside of the distributor including a curved surface for guiding water to the at least one distributing hole.Type: GrantFiled: December 12, 2019Date of Patent: May 10, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Johannes Büsing, Chang Wook Lee, Ji Sun Yang
-
Patent number: D1019504Type: GrantFiled: June 23, 2022Date of Patent: March 26, 2024Assignee: PACCAR IncInventors: Greg Bonsen, Paul Hancock, Huateng Yang, Chang-Wook Lee, Olivier Lebastard