Patents by Inventor Myung-won CHOI
Myung-won CHOI 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: 12257341Abstract: The present invention relates to an injectable pharmaceutical composition containing a prodrug of caspase inhibitors, and a preparation method therefor. More specifically, the present invention relates to an injectable pharmaceutical composition, and a preparation method therefor, the composition comprising, as an active ingredient, (2S,3S)-2-(fluoromethyl)-3-((R)-5-isopropyl-3-(isoquinolin-1-yl)-4,5-dihydroisoxazole-5-carboxamido)-5-oxotetrahydrofuran-2-yl acetate, which is a prodrug of caspase inhibitors, or a pharmaceutically acceptable salt or isomer thereof, and comprising, as a biocompatible polymer, microspheres containing poly(lactide-co-glycolide).Type: GrantFiled: May 29, 2020Date of Patent: March 25, 2025Assignee: LG CHEM, LTD.Inventors: Sung Won Kim, Jae Uk Baek, Hyun Seo Park, Myung Won Jin, Jung Gyu Park, Bok Tae Kim, Sei Hyun Choi
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Publication number: 20250096302Abstract: A battery cell pressing jig for assembling a battery cell includes a lower plate of which an upper surface is provided with a first pressing member for seating and arranging a plurality of battery cells thereon, an upper plate which is provided above the lower plate and of which a lower surface is provided with a second pressing member, on which the plurality of battery cells are seated in an arranged state, thereon, a pressing part configured to press both the upper plate and the lower plate toward the battery cell, and a plurality of sensing members coupled onto the upper plate to be electrically connected to the plurality of battery cells.Type: ApplicationFiled: February 27, 2023Publication date: March 20, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Myung Geun OH, Tae Gyu LEE, Hae Won CHOI
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Patent number: 12132988Abstract: Disclosed is a lens assembly. The disclosed lens assembly comprises: a base; a lens unit which is disposed on one side inside the base and moves forward or rearward in the length-wise direction of the base; an optical path changing unit which is disposed on the other side inside the base, and has a portion fixed to the base and the other portion disposed to be movable inside the base; an auto focusing (AF) drive unit that moves the lens unit forward or rearward; and first and second optical image stabilizing (OIS) drive units that move the optical path changing unit in a tiltable posture.Type: GrantFiled: June 16, 2021Date of Patent: October 29, 2024Assignee: Micro Actuator Co., Ltd.Inventors: Dae Soon Lim, Hak Ku Yoon, Myung Won Choi
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Publication number: 20230408735Abstract: Disclosed is a lens assembly applied to a small mobile device. The lens assembly includes: a base; a support inserted into the base to be moved in an optical-axis direction; a lens module coupled to the support and disposed in the base; first and second optical image stabilization drive units each configured to move the lens module in a direction perpendicular to an optical-axis direction; and a plurality of hinge members configured to support the lens module to be moved with respect to the support, wherein each of the plurality of hinge members has one end connected to a coupling groove of the lens module and the other end connected to a coupling groove of the support, and the coupling groove of the lens module and the coupling groove of the support are open in the same direction as each other.Type: ApplicationFiled: October 19, 2021Publication date: December 21, 2023Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI
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Publication number: 20230209196Abstract: Disclosed is a lens assembly. The disclosed lens assembly comprises: a base; a lens unit which is disposed on one side inside the base and moves forward or rearward in the length-wise direction of the base; an optical path changing unit which is disposed on the other side inside the base, and has a portion fixed to the base and the other portion disposed to be movable inside the base; an auto focusing (AF) drive unit that moves the lens unit forward or rearward; and first and second optical image stabilizing (OIS) drive units that move the optical path changing unit in a tiltable posture.Type: ApplicationFiled: June 16, 2021Publication date: June 29, 2023Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI
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Publication number: 20230138300Abstract: A lens assembly applied to a small mobile device is disclosed. The lens assembly comprises: a base; a lens module disposed inside the base; first and second image stabilization driving units for moving the lens module in the direction perpendicular to the optical axis direction; and a plurality of hinge members which movably support the lens module and are disposed to be parallel to each other, wherein the plurality of hinge members have column parts that gradually protrude toward the center thereof and are injection-molded with a synthetic resin material.Type: ApplicationFiled: September 18, 2020Publication date: May 4, 2023Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
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Publication number: 20230040027Abstract: Disclosed are an optical path changing unit and a lens assembly comprising same. The optical path changing unit comprises: a base; a prism unit a part of which is connected to the base and the other part of which is arranged to be movable within the base; and first to third optical image stabilizing (OIS) drive units which change the prism unit into a tiltable position.Type: ApplicationFiled: September 18, 2020Publication date: February 9, 2023Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
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Patent number: 11474320Abstract: The disclosure relates to a micro lens assembly including; a base; a support inserted into the base to be movable in an optical axis direction; a driver for auto focus adjustment configured to move the support in the optical axis direction; a lens unit inserted into the support and including a lens barrel to which a lens part is coupled; a driver for optical image stabilization configured to move the lens unit in the direction perpendicular to the optical axis direction; a plurality of ball bearings arranged between the support and the base for the support to be movable with respect to the base in the optical axis direction; and a plurality of connection members configured to connect the lens unit and the support to each other for the lens unit to be movable with respect to the support and formed of an elastic nonconductor.Type: GrantFiled: June 3, 2019Date of Patent: October 18, 2022Assignee: MICRO ACTUATOR CO., LTD.Inventors: Dae Soon Lim, Hak Ku Yoon, Myung Won Choi, Dong Sung Lee
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Publication number: 20210215902Abstract: The disclosure relates to a micro lens assembly including: a base; a support inserted into the base to be movable in an optical axis direction; a driver for auto focus adjustment configured to move the support in the optical axis direction; a lens unit inserted into the support to be movable in a direction perpendicular to the optical axis direction and including a lens barrel to which a lens part is coupled; a driver for optical image stabilization configured to move the lens unit in the direction perpendicular to the optical axis direction; a plurality of ball bearings arranged between the support and the base for the support to be movable with respect to the base in the optical axis direction; and a plurality of connection members configured to connect the lens unit and the support to each other for the lens unit to be movable with respect to the support and formed of an elastic nonconductor.Type: ApplicationFiled: June 3, 2019Publication date: July 15, 2021Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
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Publication number: 20210132329Abstract: An auto focusing apparatus according to the present invention comprises: a base having an accommodation groove; a lens carrier provided in the accommodation groove of the base; a magnet provided on one surface of the lens carrier; a coil provided to the base so as to face the magnet; a main ball accommodation part formed in a corner of one side of the inner surface of the base facing the magnet on the lens carrier; a sub-ball accommodation part which is provided on the inner surface of the base, on which the main ball accommodation part is not formed, and which supports the other surface of the lens carrier, on which the magnet is not provided; a guide protrusion which is provided on the lens carrier at one side of the magnet and which protrudes toward the main ball accommodation part; and a plurality of balls provided between the main ball accommodation part and the guide protrusion and between the sub-ball accommodation part and the other surface of the lens carrier, wherein one ball is provided between theType: ApplicationFiled: June 18, 2019Publication date: May 6, 2021Applicant: MICRO ACTUATOR CO., LTD.Inventors: Dae Soon LIM, Hak Ku YOON, Myung Won CHOI, Dong Sung LEE
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Patent number: 10901172Abstract: Disclosed is a camera lens assembly having a lens part and a lens carrier for moving the lens part such that the same moves forward and backward in the direction of an optical axis. The disclosed camera lens assembly comprises: a base part; a lens carrier disposed to be slidable along a direction of an optical axis in the base part; and an automatic focal point adjustment driving part having one portion installed to the base part and the remaining portion installed to the lens carrier, to drive the lens carrier to move forward and backward along the direction of the optical axis by means of an electromagnetic force, wherein a part of the lens carrier and a part of the base part are convex-concave-coupled to each other, and a plurality of bearings are arranged on the convex-concave-coupled portion.Type: GrantFiled: February 6, 2017Date of Patent: January 26, 2021Assignee: MICRO ACTUATOR CO., LTD.Inventors: Myung-won Choi, Dae-soon Lim, Hak-ku Yoon, Dong-sung Lee
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Publication number: 20190369356Abstract: An autofocus adjustment apparatus is provided. The autofocus adjustment apparatus includes a base formed with a light-through hole, a carrier inserted into the base and configured to receive a lens barrel configured of one or more lenses, a magnet installed in one surface of the carrier, a coil installed in the base to face the magnet, and at least one or more balls located between the carrier and the base and configured to support the carrier to move along an optical axis direction of the lenses.Type: ApplicationFiled: August 19, 2019Publication date: December 5, 2019Inventors: Dae-soon LIM, Hak-ku YOON, Myung-won CHOI, Dong-sung LEE
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Patent number: 10237458Abstract: A filter switching device used for a camera module and a mobile device that includes a camera module are disclosed. The disclosed filter switching device used for a camera module comprises: a base having a light passage hole formed therein; a filter blade unit that is coupled to the base to rotate about the reference axis of the base and includes a plurality of filters; and a driving unit that rotates the filter blade unit using a magnetic force, wherein one of the plurality of filters is set to the position corresponding to the light passage hole when the filter blade unit rotates by a preset angle in a first direction, and another filter is set to the position corresponding to the light passage hole when the filter blade unit rotates by a preset angle in a second direction that is opposite to the first direction.Type: GrantFiled: March 16, 2016Date of Patent: March 19, 2019Assignee: MICRO ACTUATOR CO., LTD.Inventors: Dae-soon Lim, Hak-ku Yoon, Myung-won Choi
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Publication number: 20190049692Abstract: Disclosed is a camera lens assembly having a lens part and a lens carrier for moving the lens part such that the same moves forward and backward in the direction of an optical axis. The disclosed camera lens assembly comprises: a base part; a lens carrier disposed to be slidable along a direction of an optical axis in the base part; and an automatic focal point adjustment driving part having one portion installed to the base part and the remaining portion installed to the lens carrier, to drive the lens carrier to move forward and backward along the direction of the optical axis by means of an electromagnetic force, wherein a part of the lens carrier and a part of the base part are convex-concave-coupled to each other, and a plurality of bearings are arranged on the convex-concave-coupled portion.Type: ApplicationFiled: February 6, 2017Publication date: February 14, 2019Applicant: MICRO ACTUATOR CO., LTD.Inventors: Myung-won Choi, Dae-soon Lim, Hak-ku Yoon, Dong-sung Lee
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Publication number: 20180246293Abstract: An autofocus adjustment apparatus is provided. The autofocus adjustment apparatus includes a base formed with a light-through hole, a carrier inserted into the base and configured to receive a lens barrel configured of one or more lenses, a magnet installed in one surface of the carrier, a coil installed in the base to face the magnet, and at least one or more balls located between the carrier and the base and configured to support the carrier to move along an optical axis direction of the lenses.Type: ApplicationFiled: February 12, 2018Publication date: August 30, 2018Inventors: Dae-soon LIM, Hak-ku YOON, Myung-won CHOI, Dong-sung LEE
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Publication number: 20180069995Abstract: A filter switching device used for a camera module and a mobile device that includes a camera module are disclosed. The disclosed filter switching device used for a camera module comprises: a base having a light passage hole formed therein; a filter blade unit that is coupled to the base to rotate about the reference axis of the base and includes a plurality of filters; and a driving unit that rotates the filter blade unit using a magnetic force, wherein one of the plurality of filters is set to the position corresponding to the light passage hole when the filter blade unit rotates by a preset angle in a first direction, and another filter is set to the position corresponding to the light passage hole when the filter blade unit rotates by a preset angle in a second direction that is opposite to the first direction.Type: ApplicationFiled: March 16, 2016Publication date: March 8, 2018Applicant: MICRO ACTUATOR CO., LTD.Inventors: Dae-soon LIM, Hak-ku YOON, Myung-won CHOI