Patents by Inventor Sung-Hoon Oh
Sung-Hoon Oh 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: 11969272Abstract: A computed tomography (CT) apparatus according to various embodiments may include a gantry including a first rotation device, a second rotation device and a third rotation device which have a ring shape, share an axis of rotation, and are rotatable independently of one another, a plurality of first light sources provided on the first rotation device at regular intervals and configured to emit X-rays to a subject, a plurality of second light sources provided on the second rotation device at regular intervals and configured to emit X-rays to the subject, a detector provided on a region of the third rotation device and configured to detect X-rays passing through the subject, and one or more processors.Type: GrantFiled: June 26, 2020Date of Patent: April 30, 2024Assignee: KOH YOUNG TECHNOLOGY INC.Inventors: Young Jun Roh, Min Sik Shin, Sung Hoon Kang, Tae Seok Oh
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Publication number: 20240136531Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.Type: ApplicationFiled: September 20, 2023Publication date: April 25, 2024Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Ko Eun Kim, Yoon Sung Lee, Chang Hoon Song, Hyeong Jun Choi, Jun Myoung Sheem, Jin Kyo Koo, Young Jun Kim
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Publication number: 20240120477Abstract: A positive electrode material for a lithium secondary battery has improved electron conductivity and surface stability because oxidation-treated carbon nanotubes are stably attached to the surface of an active material. According to one embodiment the positive electrode material includes a positive electrode active material core made of a Li—Ni—Co—Mn-M-O-based material (M=transition metal) and an oxidized carbon nanotube coating layer formed on the surface of the positive electrode active material core and including 1% to 3% by weight of oxidation-treated carbon nanotubes (OCNT) relative to 100% by weight of the positive electrode active material core.Type: ApplicationFiled: July 7, 2023Publication date: April 11, 2024Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Yoon Sung Lee, Ko Eun Kim, Van Chuong Ho, Jun Young Mun
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Publication number: 20240107032Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
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Publication number: 20240105918Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.Type: ApplicationFiled: July 3, 2023Publication date: March 28, 2024Inventors: Seung Min Oh, Sung Ho Ban, Sang Hun Lee, Chang Hoon Song, Yoon Sung Lee, Ko Eun Kim, Van Chuong Ho, Jun Young Mun
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Publication number: 20240083058Abstract: The present disclosure provides an improvement to razor blade coating by a physical vapor deposition method, by forming a hard coating layer as a thin coating layer in which chromium boride, which is a nanocrystalline structure having high hardness, is dispersed in an amorphous mixture of chromium and boron, thereby improving the strength and hardness of the thin coating layer and securing the bonding force by chromium in the amorphous mixture between the hard coating layer and a blade substrate on which an edge of the razor blade is formed.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Inventors: Min Joo PARK, Sung Hoon OH, Seong Won JEONG
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Publication number: 20240075905Abstract: The present invention relates to a coating composition which is for a wiper blade and is for forming a coating layer for lowering the coefficient of friction of a wiper blade rubber base on glass, the coating composition including a lubricant additive and a solvent, wherein the lubricant additive is functionalized graphene capable of self-adhesion to the wiper blade rubber base.Type: ApplicationFiled: March 30, 2021Publication date: March 7, 2024Applicant: BESTGRAPHENE CO., LTDInventors: Myeong Gi KIM, Seong Min CHIN, Sung Min HONG, Ji Taek OH, Jung Hoon KIM
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Publication number: 20240073416Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee UniversityInventors: Sung Chang LIM, Ha Hyun LEE, Se Yoon JEONG, Hui Yong KIM, Suk Hee CHO, Jong Ho KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Dong Gyu SIM, Seoung Jun OH, Gwang Hoon PARK, Sea Nae PARK, Chan Woong JEON
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Patent number: 11858158Abstract: The present disclosure provides an improvement to razor blade coating by a physical vapor deposition method, by forming a hard coating layer as a thin coating layer in which chromium boride, which is a nanocrystalline structure having high hardness, is dispersed in an amorphous mixture of chromium and boron, thereby improving the strength and hardness of the thin coating layer and securing the bonding force by chromium in the amorphous mixture between the hard coating layer and a blade substrate on which an edge of the razor blade is formed.Type: GrantFiled: December 28, 2022Date of Patent: January 2, 2024Assignee: DORCO CO., LTD.Inventors: Min Joo Park, Sung Hoon Oh, Seong Won Jeong
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Publication number: 20230138439Abstract: The present disclosure provides an improvement to razor blade coating by a physical vapor deposition method, by forming a hard coating layer as a thin coating layer in which chromium boride, which is a nanocrystalline structure having high hardness, is dispersed in an amorphous mixture of chromium and boron, thereby improving the strength and hardness of the thin coating layer and securing the bonding force by chromium in the amorphous mixture between the hard coating layer and a blade substrate on which an edge of the razor blade is formed.Type: ApplicationFiled: December 28, 2022Publication date: May 4, 2023Applicant: DORCO CO., LTD.Inventors: Min Joo PARK, Sung Hoon OH, Seong Won JEONG
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Publication number: 20230022996Abstract: The present disclosure provides a razor blade coating by a physical vapor deposition method through performing a deposition with a single composite target composed of dissimilar materials with their area ratio defined to be varied in the single composite target in the direction of transferring the razor blade subject to the deposition, thereby forming a single layer in which the composition ratio of the dissimilar materials gradually changes in the thickness direction of the coating layer to improve the durability of the razor blade coating layer.Type: ApplicationFiled: September 26, 2022Publication date: January 26, 2023Applicant: DORCO CO., LTD.Inventors: Min Joo PARK, Sung Hoon OH, Seong Won JEONG
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Patent number: 11559913Abstract: The present disclosure provides an improvement to razor blade coating by a physical vapor deposition method, by forming a hard coating layer as a thin coating layer in which chromium boride, which is a nanocrystalline structure having high hardness, is dispersed in an amorphous mixture of chromium and boron, thereby improving the strength and hardness of the thin coating layer and securing the bonding force by chromium in the amorphous mixture between the hard coating layer and a blade substrate on which an edge of the razor blade is formed.Type: GrantFiled: May 21, 2020Date of Patent: January 24, 2023Assignee: DORCO CO., LTD.Inventors: Min Joo Park, Sung Hoon Oh, Seong Won Jeong
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Publication number: 20220407220Abstract: The disclosed system may include an enclosure that is configured to house a printed circuit board (PCB). The PCB may have various internal electrical components mounted thereto. The system may also include a radiating component mounted to an opposite side of the PCB. Still further, the system may include a unified grounding structure that couples the PCB to the enclosure in multiple locations. As such, the radiating component may be grounded to the unified grounding structure at the multiple different locations. Various other methods, systems, and computer-readable media are also disclosed, including methods of manufacturing mobile electronic devices.Type: ApplicationFiled: December 14, 2021Publication date: December 22, 2022Inventors: Md Rashidul Islam, Ulf Jan-Ove Mattsson, Yonghua Wei, Sung Hoon Oh, Qian Qiao, Geng Ye, Bruno Cendon Martin
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Publication number: 20220393352Abstract: The disclosed system may include an enclosure that is configured to house internal electrical components disposed on a printed circuit board (PCB). The system may also include a first antenna feed that is electrically connected to the PCB, to the enclosure, and to a radiating coupling arm configured for wireless communication in a first wireless communication band. The system may further include a second antenna feed that is electrically connected to the PCB and to an antenna configured for wireless communication in a second, different wireless communication band. The system may also include a first grounding leg that forms an electrical ground between the PCB and the enclosure, and a second, switchable grounding leg positioned away from the first grounding leg. This switchable grounding leg may provide a controllable electrical ground between the PCB and the enclosure. Various other methods and apparatuses are also disclosed.Type: ApplicationFiled: December 14, 2021Publication date: December 8, 2022Inventors: Sung Hoon Oh, Yonghua Wei, Md Rashidul Islam, Qian Qiao, Ulf Jan-Ove Mattsson, Geng Ye, Bruno Cendon Martin
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Patent number: 11472053Abstract: The present disclosure provides a razor blade coating by a physical vapor deposition method through performing a deposition with a single composite target composed of dissimilar materials with their area ratio defined to be varied in the single composite target in the direction of transferring the razor blade subject to the deposition, thereby forming a single layer in which the composition ratio of the dissimilar materials gradually changes in the thickness direction of the coating layer to improve the durability of the razor blade coating layer.Type: GrantFiled: May 21, 2020Date of Patent: October 18, 2022Assignee: DORCO CO., LTD.Inventors: Min Joo Park, Sung Hoon Oh, Seong Won Jeong
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Patent number: 11220014Abstract: A razor cartridge includes: a blade housing accommodating a plurality of blades including at least a first blade and a second blade; a first contact member arranged at a front side of the plurality of blades with respect to a shaving direction; and a second contact member arranged at a rear side of the plurality of blades with respect to the shaving direction, each blade including an edge portion and a base, wherein a thickness of a first position of the edge portion of the first blade is less than a thickness of a corresponding second position of the edge portion of the second blade, and wherein a first exposure amount of the first blade with respect to a contact plane defined between the first contact member and the second contact member is less than a second exposure amount of the second blade with respect to the contact plane.Type: GrantFiled: July 3, 2019Date of Patent: January 11, 2022Assignee: DORCO CO., LTD.Inventors: Dong Il Kim, Sung Hoon Oh
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Patent number: 10960559Abstract: The present invention is directed to an arrangement of blades mounted within a razor cartridge. The razor cartridge includes a blade housing; and a plurality of blades including a first blade and a second blade, wherein a thickness of an edge portion of the first blade is less than a thickness of an edge portion of the second blade, and wherein a first span in front of the first blade is less than a second span in front of the second blade.Type: GrantFiled: July 12, 2019Date of Patent: March 30, 2021Assignee: DORCO CO., LTD.Inventors: Dong Il Kim, Sung Hoon Oh
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Publication number: 20200368928Abstract: The present disclosure provides a razor blade coating by a physical vapor deposition method through performing a deposition with a single composite target composed of dissimilar materials with their area ratio defined to be varied in the single composite target in the direction of transferring the razor blade subject to the deposition, thereby forming a single layer in which the composition ratio of the dissimilar materials gradually changes in the thickness direction of the coating layer to improve the durability of the razor blade coating layer.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Applicant: DORCO CO., LTD.Inventors: Min Joo PARK, Sung Hoon OH, Seong Won JEONG
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Publication number: 20200368929Abstract: The present disclosure provides an improvement to razor blade coating by a physical vapor deposition method, by forming a hard coating layer as a thin coating layer in which chromium boride, which is a nanocrystalline structure having high hardness, is dispersed in an amorphous mixture of chromium and boron, thereby improving the strength and hardness of the thin coating layer and securing the bonding force by chromium in the amorphous mixture between the hard coating layer and a blade substrate on which an edge of the razor blade is formed.Type: ApplicationFiled: May 21, 2020Publication date: November 26, 2020Applicant: DORCO CO., LTD.Inventors: Min Joo PARK, Sung Hoon OH, Seong Won JEONG
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Publication number: 20200031006Abstract: The present invention is directed to an arrangement of blades mounted within a razor cartridge. The razor cartridge includes a blade housing; and a plurality of blades including a first blade and a second blade, wherein a thickness of an edge portion of the first blade is less than a thickness of an edge portion of the second blade, and wherein a first span in front of the first blade is less than a second span in front of the second blade.Type: ApplicationFiled: July 12, 2019Publication date: January 30, 2020Applicant: DORCO CO., LTD.Inventors: Dong Il KIM, Sung Hoon OH