Patents by Inventor Yong Su HAN
Yong Su HAN 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: 20240130417Abstract: The disclosure relates to a tobacco material including a natural flavor material and a method of preparing the tobacco material. The tobacco material may have a core-shell structure in which a core includes a natural flavor material and is surrounded by a shell including a tobacco mixture, such that the aerosol generating article including the tobacco material generates a characteristic flavor.Type: ApplicationFiled: April 3, 2022Publication date: April 25, 2024Applicant: KT&G CORPORATIONInventors: Seok Su JANG, Dae Nam HAN, Yong Hwan KIM, Seung Won LEE
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Publication number: 20240122233Abstract: One or more embodiments relate to an aerosol generating article including: a first portion including an aerosol generating element; a second portion including a cooling element; a third portion including a tobacco element; and a fourth portion including a filter element, wherein the first through fourth portions are sequentially arranged in a longitudinal direction of the aerosol generating article.Type: ApplicationFiled: April 27, 2022Publication date: April 18, 2024Applicant: KT&G CORPORATIONInventors: Seok Su JANG, Dae Nam HAN, Dong Sung KIM, Yong Hwan KIM, Seung Won LEE
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Patent number: 11950632Abstract: Provided is an aerosol generating apparatus including: a susceptor configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; an induction coil arranged around the susceptor and configured to heat the susceptor by induction heating; a switching module configured to switch an electrical path of the induction coil; and a controller electrically connected to the switching module and configured to detect insertion of the aerosol generating article on the basis of a change in an inductance of the induction coil by setting a control mode for the induction coil to a reception mode, and when the insertion of the aerosol generating article is detected, switch the control mode to a transmission mode for activating the induction heating, via the switching module.Type: GrantFiled: May 23, 2022Date of Patent: April 9, 2024Assignee: KT & G CORPORATIONInventors: Yong Hwan Kim, Dae Nam Han, Dong Sung Kim, Seung Won Lee, Seok Su Jang
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Publication number: 20240108052Abstract: An embodiment of the present disclosure discloses tobacco material including: a center portion including a flavor material; and an outer portion including a tobacco mixture, wherein the outer portion surrounds the center portion.Type: ApplicationFiled: April 12, 2022Publication date: April 4, 2024Applicant: KT&G CORPORATIONInventors: Seok Su JANG, Sun Hwan JUNG, Hyeon Tae KIM, Jun Won SHIN, Dae Nam HAN, Yong Hwan KIM, Sung Wook YOON, Seung Won LEE
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Patent number: 11935984Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.Type: GrantFiled: December 14, 2022Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
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Patent number: 11711041Abstract: Embodiments relate to a motor driving system comprising a power network between an inverter and a motor and a method for designing such motor drive system, the motor drive system comprising: an AC motor; an inverter unit for applying a voltage to the AC motor; a controller configured for controlling an output voltage of the inverter unit; and a power network circuit disposed between the inverter unit and the AC motor, wherein the power network circuit is configured with passive element.Type: GrantFiled: February 11, 2019Date of Patent: July 25, 2023Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jung-Ik Ha, Yong Su Han, Ka Hyun Lee, Hyeon Gyu Choi
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Publication number: 20210194403Abstract: Embodiments relate to a motor driving system comprising a power network between an inverter and a motor and a method for designing such motor drive system, the motor drive system comprising: an AC motor; an inverter unit for applying a voltage to the AC motor; a controller configured for controlling an output voltage of the inverter unit; and a power network circuit disposed between the inverter unit and the AC motor, wherein the power network circuit is configured with passive element.Type: ApplicationFiled: February 11, 2019Publication date: June 24, 2021Inventors: Jung-Ik Ha, Yong Su Han, Ka Hyun Lee, Hyeon Gyu Choi
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Patent number: 10498157Abstract: A charging system for improving a power factor and a current quality in a grid stage is provided. The charging system includes a rectifying circuit that is configured to rectify a grid power and a converter that is configured to receive a voltage-current rectified by the rectifying circuit and convert the voltage-current into a charge voltage-current to be provided to a battery. A capacitor is connected across a connection end of the rectifying circuit and the converter. The converter includes a first high frequency switching circuit, a transformer, and a second high frequency switching circuit.Type: GrantFiled: December 12, 2017Date of Patent: December 3, 2019Assignees: Hyundai Motor Company, Kia Motors Corporation, Seoul National University R&DB FoundationInventors: Ho Joon Shin, Mu Shin Kwak, Young Kook Lee, Sung Kyu Kim, Jung Ik Ha, Yong Su Han
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Publication number: 20190148965Abstract: A charging system for improving a power factor and a current quality in a grid stage is provided. The charging system includes a rectifying circuit that is configured to rectify a grid power and a converter that is configured to receive a voltage-current rectified by the rectifying circuit and convert the voltage-current into a charge voltage-current to be provided to a battery. A capacitor is connected across a connection end of the rectifying circuit and the converter. The converter includes a first high frequency switching circuit, a transformer, and a second high frequency switching circuit.Type: ApplicationFiled: December 12, 2017Publication date: May 16, 2019Inventors: Ho Joon Shin, Mu Shin Kwak, Young Kook Lee, Sung Kyu Kim, Jung Ik Ha, Yong Su Han
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Patent number: 10243388Abstract: Disclosed herein is a charging system using a wound rotor synchronous motor, capable of increasing a battery charging capacity while reducing the volume, weight, and/or cost of a vehicle increased due to an on-vehicle charging circuit. The charging system includes an inverter converting a DC output of a battery into a plurality of AC signals having different phases, a wound rotor synchronous motor having a plurality of stator coils, to which the AC signals having different phases are respectively input, and a field coil forming a mutual inductance with the stator coils, the field coil being installed in a rotor to form a magnetic flux using the DC output of the battery, and a controller allowing the battery and the field coil to be insulated from each other in a charge mode in which electricity from a grid is applied to the field coil of the wound rotor synchronous motor.Type: GrantFiled: December 16, 2016Date of Patent: March 26, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Ho Joon Shin, Mu Shin Kwak, Young Kook Lee, Sung Kyu Kim, Jung Ik Ha, Yong Su Han
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Patent number: 10236707Abstract: Disclosed herein is a charging system using a wound rotor synchronous motor (WRSM), capable of reducing volume, weight, and cost of a vehicle increased due to an on-board charging circuit and increasing a battery charge capacity. The charging system using a wound rotor synchronous motor (WRSM) includes an inverter converting power of a battery into alternating current (AC) powers having a plurality of different phases, a WRSM having a plurality of stator coils each receiving AC power of a different phase and a field coil forming mutual inductance with the plurality of stator coils and installed in a rotor to form a magnetic flux using power of the battery, and a controller controlling the battery side and the field coil side are insulated from each other in a charge mode in which grid power is applied to the field coil side of the WRSM.Type: GrantFiled: December 16, 2016Date of Patent: March 19, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motors Corporation, Seoul National University R&DB FoundationInventors: Ho Joon Shin, Mu Shin Kwak, Sung Kyu Kim, Young Kook Lee, Jung Ik Ha, Yong Jae Lee, Yong Su Han
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Publication number: 20180115180Abstract: Disclosed herein is a charging system using a wound rotor synchronous motor, capable of increasing a battery charging capacity while reducing the volume, weight, and/or cost of a vehicle increased due to an on-vehicle charging circuit. The charging system includes an inverter converting a DC output of a battery into a plurality of AC signals having different phases, a wound rotor synchronous motor having a plurality of stator coils, to which the AC signals having different phases are respectively input, and a field coil forming a mutual inductance with the stator coils, the field coil being installed in a rotor to form a magnetic flux using the DC output of the battery, and a controller allowing the battery and the field coil to be insulated from each other in a charge mode in which electricity from a grid is applied to the field coil of the wound rotor synchronous motor.Type: ApplicationFiled: December 16, 2016Publication date: April 26, 2018Applicants: HYUNDAI MOTOR COMPANY, Kia Motors Corporation, Seoul National University R&DB FoundationInventors: Ho Joon Shin, Mu Shin Kwak, Young Kook Lee, Sung Kyu Kim, Jung Ik Ha, Yong Su Han
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Publication number: 20180115181Abstract: Disclosed herein is a charging system using a wound rotor synchronous motor (WRSM), capable of reducing volume, weight, and cost of a vehicle increased due to an on-board charging circuit and increasing a battery charge capacity. The charging system using a wound rotor synchronous motor (WRSM) includes an inverter converting power of a battery into alternating current (AC) powers having a plurality of different phases, a WRSM having a plurality of stator coils each receiving AC power of a different phase and a field coil forming mutual inductance with the plurality of stator coils and installed in a rotor to form a magnetic flux using power of the battery, and a controller controlling the battery side and the field coil side are insulated from each other in a charge mode in which grid power is applied to the field coil side of the WRSM.Type: ApplicationFiled: December 16, 2016Publication date: April 26, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation, Seoul National University R&DB FoundationInventors: Ho Joon Shin, Mu Shin Kwak, Sung Kyu Kim, Young Kook Lee, Jung Ik Ha, Yong Jae Lee, Yong Su Han
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Patent number: 9437563Abstract: The bump structure includes a metal pattern disposed on an electrode pad to have a vertical sidewall and a recessed region surrounded by the vertical sidewalls, a metal post including a lower portion inserted into the recessed region and a protruded portion upwardly extending from the lower portion, and a passivation spacer on a sidewall of the metal post. The metal post is electrically connected to the electrode pad.Type: GrantFiled: November 18, 2014Date of Patent: September 6, 2016Assignee: SK HYNIX INC.Inventors: Taek Joong Kim, Yong Su Han
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Patent number: 9397590Abstract: A double wound rotor type motor with a constant alternating current or direct current power supply input and a control method thereof is disclosed. The wound rotor type motor includes: a stator in which a coil directly connected to a single phase grid power supply or a direct current power supply is wound; a rotor that is rotatably supported in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device.Type: GrantFiled: April 5, 2013Date of Patent: July 19, 2016Assignee: SNU R&DB FoundationInventors: Jung Ik Ha, Yong Su Han
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Patent number: 9257933Abstract: A single external power supply variable speed induction motor and a control method thereof are disclosed. An induction motor includes: a stator in which coils directly connected to a single-phase or 3-phase or more systematic power supply are wound; a rotor that is supported to be rotatable in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device.Type: GrantFiled: August 29, 2012Date of Patent: February 9, 2016Assignee: SNU R&DB FOUNDATIONInventors: Jung Ik Ha, Sung Min Kim, Seung Ki Sul, Yong Su Han
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Publication number: 20150145466Abstract: A double wound rotor type motor with a constant alternating current or direct current power supply input and a control method thereof is disclosed. The wound rotor type motor includes: a stator in which a coil directly connected to a single phase grid power supply or a direct current power supply is wound; a rotor that is rotatably supported in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device.Type: ApplicationFiled: April 5, 2013Publication date: May 28, 2015Applicant: SNU R&DB FOUNDATIONInventors: Jung Ik Ha, Yong Su Han
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Publication number: 20150072518Abstract: The bump structure includes a metal pattern disposed on an electrode pad to have a vertical sidewall and a recessed region surrounded by the vertical sidewalls, a metal post including a lower portion inserted into the recessed region and a protruded portion upwardly extending from the lower portion, and a passivation spacer on a sidewall of the metal post. The metal post is electrically connected to the electrode pad.Type: ApplicationFiled: November 18, 2014Publication date: March 12, 2015Inventors: Taek Joong KIM, Yong Su HAN
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Patent number: 8922009Abstract: The bump structure includes a metal pattern disposed on an electrode pad to have a vertical sidewall and a recessed region surrounded by the vertical sidewalls, a metal post including a lower portion inserted into the recessed region and a protruded portion upwardly extending from the lower portion, and a passivation spacer on a sidewall of the metal post. The metal post is electrically connected to the electrode pad.Type: GrantFiled: March 18, 2013Date of Patent: December 30, 2014Assignee: SK Hynix Inc.Inventors: Taek Joong Kim, Yong Su Han
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Publication number: 20140124922Abstract: The bump structure includes a metal pattern disposed on an electrode pad to have a vertical sidewall and a recessed region surrounded by the vertical sidewalls, a metal post including a lower portion inserted into the recessed region and a protruded portion upwardly extending from the lower portion, and a passivation spacer on a sidewall of the metal post. The metal post is electrically connected to the electrode pad.Type: ApplicationFiled: March 18, 2013Publication date: May 8, 2014Applicant: SK HYNIX INC.Inventors: Taek Joong KIM, Yong Su HAN