Patents by Inventor Jin-Wook Chung
Jin-Wook Chung 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: 9996919Abstract: Provided is a method and apparatus for segmenting airways and pulmonary lobes. An image processing apparatus obtains a first candidate region of an airway from a three-dimensional (3D) human body image by using a region growing method, obtains a second candidate region of the airway based on a directionality of a change in signal intensity of voxels belonging to a lung region segmented from the 3D human body image, segments an airway region by removing noise based on similarity of a directionality of a change in signal intensity of voxels belonging to a third candidate region acquired by combining together the first and second candidate regions.Type: GrantFiled: June 5, 2014Date of Patent: June 12, 2018Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Sang Joon Park, Jin Mo Goo, Jin Wook Chung, Doo Hee Lee, Yang Wook Kim
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Publication number: 20180055469Abstract: A method of processing a medical image includes acquiring a three-dimensional (3D) medical image indicating a blood vessel and a two-dimensional (2D) medical image indicating the blood vessel, determining a blood vessel area in the 3D medical image corresponding to a partial area of the blood vessel in the 2D medical image, and matching the blood vessel area with the partial area in the 2D medical image.Type: ApplicationFiled: February 17, 2016Publication date: March 1, 2018Inventors: Woo-hyun NAM, Yong-sup PARK, Yeong-gil SHIN, Jae-sung LEE, Jin-wook CHUNG, Ji-hye KIM, Yong-geun LEE
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Patent number: 9905739Abstract: A semiconductor light emitting device may include a light emitting package. A light emitting package may include a light emitting stack including a sequential stack of a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. An encapsulation layer may at least partially surround the second conductivity type semiconductor layer, and a wavelength conversion layer may cover the first conductivity type semiconductor layer. One or more of the encapsulation layer and the wavelength conversion layer may have a greater coefficient of thermal expansion (CTE) than a GaN-based compound semiconductor. The semiconductor light emitting device may include a stress applying structure that may apply a tensile stress to the light emitting stack. The light emitting stack may have reduced thermal droop at an operation temperature and improved luminous efficiency.Type: GrantFiled: November 2, 2016Date of Patent: February 27, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-wook Chung, Jung-jin Kim, Pun-jae Choi, Si-han Kim, Sung-don Gang, Ah-young Woo
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Patent number: 9887332Abstract: A semiconductor light-emitting device package includes: a light-emitting structure having a first surface, a second surface opposite to the first surface and side surfaces disposed between the first and the second surfaces, the light-emitting structure comprising a first light-emitting laminate and a second light-emitting laminate, each of the first and the second light emitting laminates including: a first conductivity-type semiconductor layer; an active layer, and a second conductivity-type semiconductor layer, an interconnector provided on the second surface of the light-emitting structure and configured to electrically connect the first and the second light-emitting laminates; a metal guide surrounding the side surfaces of the light-emitting structure; and an encapsulant surrounding the metal guide and the second and the side surfaces of the light-emitting structure and exposing the first surface of the light-emitting structure.Type: GrantFiled: February 29, 2016Date of Patent: February 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Pun Jae Choi, Geun Woo Ko, Yong Min Kwon, Ah Young Woo, Jun Ho Lee, Jin Wook Chung
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Publication number: 20170358763Abstract: The present invention relates to a flexible substrate and a method of manufacturing same and, more particularly, to a flexible substrate and a method of manufacturing same, the flexible substrate having high flexibility, high transparency, and high conductivity, so as to be able to improve the quality of a flexible display device to which it is applied. To this end, the present invention provides a flexible substrate and a method of manufacturing same, the flexible substrate characterized by comprising: a flexible base material; an ITO thin film formed on the flexible base material; and a plurality of nano particles discontinuously distributed within the ITO thin film.Type: ApplicationFiled: September 7, 2015Publication date: December 14, 2017Applicant: Corning Precision Materials Co., Ltd.Inventors: Jin Wook Chung, Min Seok Kim, Hong Yoon
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Patent number: 9783551Abstract: Provided are a pyranochromenyl phenol derivative, a pharmaceutically acceptable salt thereof, or a solvate thereof. Also provided is a pharmaceutical composition for preventing or treating metabolic syndrome or inflammatory disease comprising same. The present invention is efficacious in preventing or treating metabolic syndrome or inflammatory disease and is chemically stable.Type: GrantFiled: December 23, 2014Date of Patent: October 10, 2017Assignee: Glaceum Inc.Inventors: Sang Ku Yoo, Jin Wook Chung, In Geun Jo, Jeong Ho Im, Ku Suk Kang, Jin Young Kim
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Publication number: 20170133563Abstract: A semiconductor light emitting device may include a light emitting package. A light emitting package may include a light emitting stack including a sequential stack of a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. An encapsulation layer may at least partially surround the second conductivity type semiconductor layer, and a wavelength conversion layer may cover the first conductivity type semiconductor layer. One or more of the encapsulation layer and the wavelength conversion layer may have a greater coefficient of thermal expansion (CTE) than a GaN-based compound semiconductor. The semiconductor light emitting device may include a stress applying structure that may apply a tensile stress to the light emitting stack. The light emitting stack may have reduced thermal droop at an operation temperature and improved luminous efficiency.Type: ApplicationFiled: November 2, 2016Publication date: May 11, 2017Applicant: Samsung Electronics Co. , Ltd.Inventors: JIN-WOOK CHUNG, Jung-jin KIM, Pun-jae CHOI, Si-han KIM, Sung-don GANG, Ah-young WOO
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Publication number: 20160351767Abstract: A semiconductor light-emitting device package includes: a light-emitting structure having a first surface, a second surface opposite to the first surface and side surfaces disposed between the first and the second surfaces, the light-emitting structure comprising a first light-emitting laminate and a second light-emitting laminate, each of the first and the second light emitting laminates including: a first conductivity-type semiconductor layer; an active layer, and a second conductivity-type semiconductor layer, an interconnector provided on the second surface of the light-emitting structure and configured to electrically connect the first and the second light-emitting laminates; a metal guide surrounding the side surfaces of the light-emitting structure; and an encapsulant surrounding the metal guide and the second and the side surfaces of the light-emitting structure and exposing the first surface of the light-emitting structure.Type: ApplicationFiled: February 29, 2016Publication date: December 1, 2016Inventors: Pun Jae CHOI, Geun Woo KO, Yong Min KWON, Ah Young WOO, Jun Ho LEE, Jin Wook CHUNG
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Publication number: 20160332388Abstract: A method of forming a transparent 3D object and a transparent 3D object formed by the method are provided. A transparent 3D object may be formed as follows. An internal structure of a 3D object is printed using a 3D printer based on a 3D image file having information about an internal region of the 3D object, and a mold, designed to form the 3D object and divided into at least two regions, is printed using the 3D printer based on the 3D image file. Then, the internal structure is combined with an inner region of the mold, and a transparent material is supplied to the mold. After the transparent material hardens, a transparent 3D object is obtained by removing the mold.Type: ApplicationFiled: May 9, 2016Publication date: November 17, 2016Inventors: Sang Joon PARK, Jin Wook CHUNG, Jin Mo GOO, Doo Hee LEE, Sang Youn LEE, Jung Hoon KIM
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Publication number: 20160272650Abstract: Provided are a pyranochromenyl phenol derivative, a pharmaceutically acceptable salt thereof, or a solvate thereof. Also provided is a pharmaceutical composition for preventing or treating metabolic syndrome or inflammatory disease comprising same. The present invention is efficacious in preventing or treating metabolic syndrome or inflammatory disease and is chemically stable.Type: ApplicationFiled: December 23, 2014Publication date: September 22, 2016Applicant: ERUM BIOTECHNOLOGIES, INC.Inventors: Sang Ku YOO, Jin Wook CHUNG, In Geun JO, Jeong Ho IM, Ku Suk KANG, Jin Young KIM
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Publication number: 20160240733Abstract: A semiconductor light emitting device is provided. The semiconductor light emitting device includes: a support substrate; a first layer disposed on the support substrate and applying tensile stress to the support substrate; a bonding layer disposed on the first layer; a second layer disposed on the bonding layer and applying compressive stress to the support substrate; and a light emitting structure disposed on the second layer and including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer.Type: ApplicationFiled: February 12, 2016Publication date: August 18, 2016Inventors: Tae Young PARK, Sang Bum LEE, Pun Jae CHOI, Sung Joon KIM, Jin Wook CHUNG, Se Jun HAN, Su Min HWANGBO
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Publication number: 20160189373Abstract: Provided is a method and apparatus for segmenting airways and pulmonary lobes. An image processing apparatus obtains a first candidate region of an airway from a three-dimensional (3D) human body image by using a region growing method, obtains a second candidate region of the airway based on a directionality of a change in signal intensity of voxels belonging to a lung region segmented from the 3D human body image, segments an airway region by removing noise based on similarity of a directionality of a change in signal intensity of voxels belonging to a third candidate region acquired by combining together the first and second candidate regions.Type: ApplicationFiled: June 5, 2014Publication date: June 30, 2016Inventors: Sang Joon PARK, Jin Mo GOO, Jin Wook CHUNG, Doo Hee LEE, Yang Wook KIM
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Patent number: 9072293Abstract: Disclosed is a method for directly preparing in situ cyclopropenes for inhibiting ethylene action facilitating ripening and aging of plants via reaction of a cyclopropene precursor such as a compound of Formula (2) or Formula (3) with a fluoride (F?) and immediately applying the same to plants, and an aryl group-containing 1-alkylcyclopropene of Formula (6) effective for inhibiting the action of ethylene.Type: GrantFiled: April 15, 2011Date of Patent: July 7, 2015Assignee: Erum Biotechnologies Inc.Inventors: Sang-Ku Yoo, Jin Wook Chung
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Publication number: 20140159116Abstract: In an exemplary implementation, a semiconductor device includes a III-nitride heterojunction including a III-nitride barrier layer situated over a III-nitride channel layer to form a conduction channel including a two-dimensional electron gas. The semiconductor device further includes a gate electrode coupled to a field plate. The field plate includes a plurality of steps insulated from the conduction channel by a dielectric body and the III-nitride barrier layer. The dielectric body under each one of the plurality of steps contributes to a breakdown voltage that is at least twice a breakdown voltage of the semiconductor device at each corresponding step. The breakdown voltage can correspond to a breakdown voltage of the dielectric body and the III-nitride barrier layer.Type: ApplicationFiled: November 20, 2013Publication date: June 12, 2014Applicant: International Rectifier CorporationInventors: Michael A. Briere, Jin Wook Chung
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Publication number: 20140017134Abstract: Provided is an apparatus for generating 1-methylcyclopropene. The apparatus of the present invention may enable the immediate and convenient generation of 1-methylcyclopropene in a desired location using stable 1-methylcyclopropene precursors.Type: ApplicationFiled: March 20, 2012Publication date: January 16, 2014Applicant: ERUM BIOTECHNOLOGIES, INC.Inventors: Sang Ku Yoo, Jin Wook Chung
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Publication number: 20120322662Abstract: Disclosed are a method for directly preparing in situ cyclopropenes for inhibiting ethylene action facilitating ripening and aging of plants via reaction of a cyclopropene precursor such as a compound of Formula (2) or Formula (3) with a fluoride (F?) and immediately applying the same to plants, and an aryl group-containing 1-alkylcyclopropene of Formula (6) effective for inhibiting the action of ethylene.Type: ApplicationFiled: April 15, 2011Publication date: December 20, 2012Applicant: Erum Biotechnologies Inc.Inventors: Sang-Ku Yoo, Jin Wook Chung
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Patent number: 8075917Abstract: The present invention relates to a paclitaxel composition and the preparation methods thereof to solubilize paclitaxel wherein said composition comprises 4 to 90% by weight of at least one selected from the monoglycerides, 0.01 to 90% by weight of at least one oil and 0.01 to 20% by weight of paclitaxel. Also the present invention relates to a paclitaxel composition including emulsifiers and the preparation methods thereof to solubilize paclitaxel wherein said composition comprises 4 to 90% by weight of at least one selected from the monoglycerides, 0.01 to 90% by weight of at least one emulsifier and 0.01 to 20% by weight of paclitaxel. The composition of the present invention is an effective paclitaxel delivery system since the composition solubilizes paclitaxel, does not form aggregates after being dispersed in water, adsorbs well on the intestinal wall, and therefore has high bioavailability.Type: GrantFiled: July 18, 2003Date of Patent: December 13, 2011Assignee: Daehwa Pharm. Co., Ltd.Inventors: Hesson Chung, Seo-Young Jeong, Ick-Chan Kwon, Yeong-Taek Park, In-Hyun Lee, Soon-Hong Yuk, Young-Wook Choi, Jae-Hyung Park, Jin-Wook Chung
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Publication number: 20100041744Abstract: Oily paclitaxel composition and formulation for chemoembolization and preparation method thereof solubilizing paclitaxel in an oily contrast medium. The composition of the present invention solubilizes paclitaxel and has an advantage of delivering anticancer drug to the target cells by chemoembolization since it is possible to visualize the blood vessel during the chemoembolization process. The present invention also relates to oily paclitaxel composition and formulation additionally comprising chemicals that prevent paclitaxel precipitation for prolonged preservation and the preparation method thereof. Since the composition of the present invention solubilize paclitaxel effectively and can be visualized during chemoembolization, it can be used for TACE to treat hepatoma and other solid tumors.Type: ApplicationFiled: August 12, 2009Publication date: February 18, 2010Applicant: Daehwa Pharm. Co., Ltd.Inventors: Hesson Chung, Seo Young Jeong, Ick Chan Kwon, Yeong Taek Park, In Hyun Lee, Jae Hyung Park, Jin Wook Chung, Young Man Kim
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Publication number: 20090325275Abstract: Cell manipulation and cultivation equipment for the production of cell therapy products has developed for preventing contamination of cells and improving the utility of a space. The equipment includes a room for the production and testing of cell therapy products, the room having an inner space enclosed in all sides and an outer entrance/exit door provided at any one side thereof, an L-shaped partition installed in a position of the room for the production and testing of cell therapy products, the partition having an inner entrance/exit door provided at any one side thereof, and a clean bench device placed inside the partition, the clean bench device including first, second, and third clean benches for preventing contamination of cells and increasing the utility of a space to the maximum extent. The operating of the clean room and clean bench has advantages to prevent contamination and improving the quality and reliability of cell therapy products.Type: ApplicationFiled: February 15, 2007Publication date: December 31, 2009Inventors: Jeong-Yong Choi, Dong-Sam Suh, Chang-Kwon Ko, Seung-Ju Ryu, Hyang-Soon Chang, Jin-Wook Chung, Cheong-Ho Chang
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Publication number: 20090126285Abstract: A facility module is provided for producing and storing a cell therapy product comprising: a Cell Therapy (CT) module one including separately prefabricated units having specific functions and separate entrances and exits so as to minimize contamination, and being capable of producing the cell therapy product, and a Banking of Cell and Tissue (BC) module Two including prefabricated units having specific functions and separate entrances and exits so as to minimize contamination, and being capable of appropriately storing hematopoietic stem cells, bone marrow cells and other cells for a prolonged period. It enables easy and low cost production of the cell therapy product, with sufficient quality to be transplanted into patients, within a short period, and permits clinical application to patients expeditiously.Type: ApplicationFiled: March 16, 2006Publication date: May 21, 2009Inventors: Dong-Sam Suh, Chang-Kwon Ko, Seung-Ju Ryu, Sung-Jun Koh, Eun-Young Lee, Soo-Jin Jung, Dong-il Chang, Jun-Keun Lee, Hyun-Gi Yoon, Hyang-Soon Chang, Yong-Hyun Yoo, Jin-Wook Chung, Cheong-Ho Chang