Patents by Inventor Kyung-Su Park
Kyung-Su Park 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: 20240145695Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a bimodal-type positive electrode active material for improving the low energy density per unit volume of an overlithiated lithium manganese-based oxide and a lithium secondary battery including the same.Type: ApplicationFiled: May 25, 2023Publication date: May 2, 2024Applicant: ECOPRO BM CO., LTD.Inventors: Ra Na LIM, Hyun Su JUNG, Kyung Min LIM, Eun Hee PARK, Seong Kyun KIM
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Publication number: 20240145694Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, and capable of preventing the degradation of electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide and reducing side reactions between the lithium manganese-based oxide and a liquid electrolyte during high-voltage operation through induction of the growth of primary particles constituting the lithium manganese-based oxide.Type: ApplicationFiled: May 9, 2023Publication date: May 2, 2024Applicant: ECOPRO BM CO., LTD.Inventors: Ra Na LIM, Hyun Su JUNG, Kyung Min LIM, Eun Hee PARK, Seong Kyun KIM
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Publication number: 20240145693Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, which is able to prevent the degradation of the electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide by inducing the growth of primary particles constituting the lithium manganese-based oxide, and prevent the lifetime deterioration of a lithium secondary battery by reducing side reactions between the lithium manganese-based oxide and a liquid electrolyte particularly during high-voltage operation, and at the same time, inhibiting or mitigating the release of a transition metal from the lithium manganese-based oxide, and a lithium secondary battery including the same.Type: ApplicationFiled: May 3, 2023Publication date: May 2, 2024Applicant: ECOPRO BM CO., LTD.Inventors: Ra Na LIM, Hyun Su JUNG, Kyung Min LIM, Eun Hee PARK, Seong Kyun KIM
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Publication number: 20240145677Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a bimodal-type positive electrode active material which is capable of improving the low energy density per unit volume of an overlithiated lithium manganese-based oxide, preventing the degradation of electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide, and particularly preventing the lifetime deterioration of a lithium secondary battery by inhibiting or mitigating the release of a transition metal from the lithium manganese-based oxide, and a lithium secondary battery including the same.Type: ApplicationFiled: May 25, 2023Publication date: May 2, 2024Applicant: ECOPRO BM CO., LTD.Inventors: Ra Na LIM, Hyun Su JUNG, Kyung Min LIM, Eun Hee PARK, Seong Kyun KIM
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Patent number: 11970493Abstract: The present disclosure provides autotaxin (ATX) inhibitor compounds and compositions including said compounds. The present disclosure also provides methods of using said compounds and compositions for inhibiting ATX. Also provided are methods of preparing said compounds and compositions, and synthetic precursors of said compounds.Type: GrantFiled: October 4, 2021Date of Patent: April 30, 2024Assignee: ILDONG PHARMACEUTICAL CO., LTD.Inventors: Sung-Ku Choi, Yoon-Suk Lee, Sung-Wook Kwon, Kyung-Sun Kim, Jeong-Geun Kim, Jeong-Ah Kim, An-Na Moon, Sun-Young Park, Jun-Su Ban, Dong-Keun Song, Kyu-Sic Jang, Ju-Young Jung, Soo-Jin Lee
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IMAGE GENERATING DEVICE SETTING VIRTUAL TRANSMITTERS AND RECEIVERS, AND METHOD OF OPERATING THE SAME
Publication number: 20240134036Abstract: Disclosed is an image generating device, which includes a measurement device including a plurality of transmitters and a plurality of receivers for a multistatic measurement of an object, an image preprocessing device that receives a raw image signal corresponding to the multistatic measurement from the measurement device and generates a preprocessed image signal based on the raw image signal, an image amplifier that generates an amplified image signal based on the preprocessed image signal, and an image restorer that generates a restored image signal corresponding to the object based on the amplified image signal, and the image amplifier is further configured to set up a first virtual transmitter and a first virtual receiver, to obtain first measurement data of a first target transmitter closest to the first virtual transmitter among the plurality of transmitters and a first target receiver closest to the first virtual receiver among the plurality of receivers.Type: ApplicationFiled: October 4, 2023Publication date: April 25, 2024Inventors: Sungwoo JO, Mugeon KIM, JUNGSOO KIM, Kyung Hyun PARK, Il Min LEE, Eui Su LEE, DA HYE CHOI -
Publication number: 20240104801Abstract: Disclosed is an image data generating method. Operations of emitting electromagnetic waves to an object and receiving scan signals scanning the object are performed by using a multi-static transceiver. First image data of a low resolution are generated based on the scan signals. when a first condition associated with the first image data is satisfied, second image data of a high resolution associated with a sub-region of the first image data are generated. When a second condition associated with the second image is satisfied, third image data based on the first image data and the second image data are generated.Type: ApplicationFiled: September 25, 2023Publication date: March 28, 2024Inventors: Sungwoo JO, Kyung Hyun PARK, Il Min LEE, Mugeon KIM, JUNGSOO KIM, Eui Su LEE, DA HYE CHOI
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Patent number: 11942488Abstract: A display device includes: a substrate; a first conductive layer on the substrate and comprising a first signal line; an insulating layer pattern on the first conductive layer; a semiconductor pattern on the insulating layer pattern; a gate insulating layer on the semiconductor pattern; and a second conductive layer comprising a gate electrode on the gate insulting layer and a first source/drain electrode and a second source/drain electrode, each on at least a part of the semiconductor pattern, wherein the insulating layer pattern and the semiconductor pattern have a same planar shape, the semiconductor pattern comprises a channel region overlapping the gate electrode, a first source/drain region on a first side of the channel region and a second source/drain region on a second side of the channel region, and the first source/drain electrode electrically connects the first source/drain region and the first signal line.Type: GrantFiled: March 30, 2023Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyung Jin Jeon, So Young Koo, Eok Su Kim, Hyung Jun Kim, Joon Seok Park, Jun Hyung Lim
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Patent number: 11020118Abstract: Disclosed is a peripheral nerve fixing apparatus, which includes: a suction unit configured to provide a negative pressure to a peripheral nerve at an end portion thereof to fix the peripheral nerve; and a negative pressure generating unit having a vacuum pump for generating a negative pressure and connected to the suction unit so that the negative pressure is provided to the suction unit, wherein at one surface of the end portion of the suction unit, the suction unit includes: a fixing unit provided to contact the peripheral nerve to keep a stable fixed state; and a suction hole formed in the fixing unit so that the negative pressure is provided to the peripheral nerve therethrough.Type: GrantFiled: February 27, 2019Date of Patent: June 1, 2021Assignee: Korea Institute of Science and TechnologyInventors: Donghyun Hwang, Keehoon Kim, Yong Seok Ihn, Sehyuk Yim, Jinwoo Jeong, Sang Rok Oh, Kyung Su Park, Sung Hwa Choi
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Patent number: 10468581Abstract: A method for driving a piezo actuator includes detecting consumption current by stepwise sweeping the frequency of an actuator driving signal to drive the piezo actuator vibrated in response to first and second vibration modes from a first reference frequency and determining a frequency at which the consumption current is inflected to be a first resonant frequency, detecting consumption current by stepwise sweeping the frequency of the actuator driving signal from a second reference frequency and determining a frequency at which the consumption current is inflected to be a second resonant frequency, and outputting an actuator driving signal in response to the first resonant frequency and the second resonant frequency.Type: GrantFiled: July 13, 2016Date of Patent: November 5, 2019Assignee: MPLUS CO., LTD.Inventors: Yeon Ho Son, Dong Su Moon, Kyung Su Park, Joon Choi, Jung Hyun Park
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Publication number: 20190314023Abstract: Disclosed is a peripheral nerve fixing apparatus, which includes: a suction unit configured to provide a negative pressure to a peripheral nerve at an end portion thereof to fix the peripheral nerve; and a negative pressure generating unit having a vacuum pump for generating a negative pressure and connected to the suction unit so that the negative pressure is provided to the suction unit, wherein at one surface of the end portion of the suction unit, the suction unit includes: a fixing unit provided to contact the peripheral nerve to keep a stable fixed state; and a suction hole formed in the fixing unit so that the negative pressure is provided to the peripheral nerve therethrough.Type: ApplicationFiled: February 27, 2019Publication date: October 17, 2019Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Donghyun HWANG, Keehoon KIM, Yong Seok IHN, Sehyuk YIM, Jinwoo JEONG, Sang Rok OH, Kyung Su PARK, Sung Hwa CHOI
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Patent number: 10008658Abstract: A vibrator includes: a housing having an interior space; a vibrating member installed within the housing; a piezoelectric element installed on a top surface of the vibrating member; and space forming parts disposed to face side surfaces of the piezoelectric element, respectively, and forming a space in which a filler is provided, together with the side surfaces of the piezoelectric element.Type: GrantFiled: February 19, 2015Date of Patent: June 26, 2018Assignee: MPLUS CO., LTD.Inventors: Yeon Ho Son, Seung Hyeon Jeong, Joon Choi, Kyung Su Park, Sang Jin Lee, Jae Kyung Kim, Dong Su Moon
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Publication number: 20180097170Abstract: A vibrator includes: a housing having an interior space; a vibrating member having a plate shape, having both end portions fixedly installed within the housing, and including space forming parts disposed on both side surfaces thereof; a piezoelectric element fixedly installed on the vibrating member so as to be disposed inwardly of the space forming parts; and a weighting body disposed on the piezoelectric element and linked to the vibrating member to be vibrated, wherein the piezoelectric element is installed on the vibrating member so as to be disposed to be spaced apart from inner surfaces of the space forming parts at predetermined intervals, and the piezoelectric element includes a main electrode formed by an electrode pair and at least one preliminary electrode formed by an electrode pair and disposed to be spaced apart from the main electrode.Type: ApplicationFiled: December 5, 2017Publication date: April 5, 2018Inventors: Yeon Ho Son, Seung Hyeon Jeong, Joon Choi, Kyung Su Park, Sang Jin Lee, Jae Kyung Kim, Dong Su Moon
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Patent number: 9931671Abstract: There is provided a piezoelectric vibration actuator including: a flat cover member; a vibration portion including a vibration plate that is spaced apart from the cover member in parallel by a predetermined distance and a piezoelectric element that generates a vibration force by repeatedly expanding and contracting according to power applied from the outside; a weight portion disposed on the vibration portion to increase the vibration force of the piezoelectric element; and a binding member fixing the vibration portion and the weight portion. In addition, an enclosure portion is interposed between the weight portion and the vibration portion to enclose the center areas of the vibration portion, thereby making it possible to protect the piezoelectric element.Type: GrantFiled: May 8, 2015Date of Patent: April 3, 2018Assignee: MPLUS CO., LTD.Inventors: Joon Choi, Kyung Su Park, Dong Su Moon, Yeon Ho Son
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Patent number: 9827594Abstract: There is provided a vibration generating device including: a housing having an internal space; a vibration member having one end fixedly attached to the housing; a piezoelectric element installed on the vibration member; and a mass body fixedly attached to the vibration member, wherein the vibration member includes an installation part on which the piezoelectric element is installed, and an extension part extended from at least one side surface of the installation part, and a maximum displacement portion of the vibration member is changed depending on a vibration mode.Type: GrantFiled: March 12, 2015Date of Patent: November 28, 2017Assignee: MPLUS CO., LTD.Inventors: Dong Su Moon, Yeon Ho Son, Kyung Su Park, Joon Choi, Hwa Young Oh
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Patent number: 9722168Abstract: There is provided a vibration generating apparatus including: an elastic member having both end portions fixed to a housing; a piezoelectric element installed on one surface of the elastic member; and a circuit board connected to the piezoelectric element, wherein the elastic member has support parts formed on both side surfaces of both end portions thereof and bent downwardly in order to be installed in the housing, and a portion of the circuit board passing between the support parts has a flat panel shape.Type: GrantFiled: January 6, 2015Date of Patent: August 1, 2017Assignee: MPLUS CO., LTD.Inventors: Dong Su Moon, Kyung Su Park, Sang Jin Lee, Jae Kyung Kim, Joon Choi, Yeon Ho Son
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Patent number: 9660172Abstract: There is provided a vibrator including: an elastic member of which both end portions are fixedly attached to a housing; a piezoelectric element installed on one surface of the elastic member; and a circuit board attached to the elastic member to be connected to the piezoelectric element, wherein an opening portion for a connection between the piezoelectric element and the circuit board is provided in the elastic member, and a step portion insertedly disposed in the opening portion is formed at the circuit board.Type: GrantFiled: November 21, 2014Date of Patent: May 23, 2017Assignee: MPLUS CO., LTD.Inventors: Dong Su Moon, Sang Jin Lee, Jae Kyung Kim, Kyung Su Park, Joon Choi
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Patent number: 9636708Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.Type: GrantFiled: August 1, 2016Date of Patent: May 2, 2017Assignee: MPLUS CO., LTD.Inventors: Yeon Ho Son, Joon Choi, Kyung Su Park, Jae Kyung Kim, Seung Hyeon Jeong, Jun Kun Choi
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Patent number: 9634228Abstract: Disclosed herein is a piezo vibration module, including: a piezo element having a pattern of an internal electrode printed therein and having an external electrode connected to the internal electrode disposed on an outer surface thereof; a flexible printed circuit board (FPCB) having each terminal and applying power to the external electrodes of the piezo element; and a conductive adhesive interposed between the piezo element and the FPCB to electrically connect the piezo element to the flexible printed circuit board.Type: GrantFiled: March 27, 2014Date of Patent: April 25, 2017Assignee: MPLUS CO., LTD.Inventors: Yeon Ho Son, Kyung Su Park, Seung Hyeon Jeong, Joon Choi
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Patent number: 9579691Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.Type: GrantFiled: May 16, 2014Date of Patent: February 28, 2017Assignee: MPLUS CO., LTD.Inventors: Yeon Ho Son, Joon Choi, Kyung Su Park, Jae Kyung Kim, Seung Hyeon Jeong, Jun Kun Choi