Patents by Inventor Yoon-Seok Oh

Yoon-Seok 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).

  • Patent number: 11248309
    Abstract: Disclosed is a method of preparing single crystal ingot of barium zirconium oxide. The method includes preparing a cylindrical BaZrO3 ceramic by pulverizing a BaZrO3 compound into a powder and sintering the same into a cylindrical ceramic form, ii) fixing two cylindrical BaZrO3 ceramics to an optical floating zone furnace, joining the two cylindrical BaZrO3 ceramics together and melting the junction at a temperature of 2,600 to 3,500° C. using light emitted from a xenon lamp or laser, and after the melting, moving the two cylindrical BaZrO3 ceramics in a direction parallel to an axis of rotation thereof, enabling the molten junction to be solidified, and thereby growing a single crystal.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: February 15, 2022
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventor: Yoon Seok Oh
  • Publication number: 20210002784
    Abstract: Disclosed is a method of preparing single crystal ingot of barium zirconium oxide. The method includes preparing a cylindrical BaZrO3 ceramic by pulverizing a BaZrO3 compound into a powder and sintering the same into a cylindrical ceramic form, ii) fixing two cylindrical BaZrO3 ceramics to an optical floating zone furnace, joining the two cylindrical BaZrO3 ceramics together and melting the junction at a temperature of 2,600 to 3,500° C. using light emitted from a xenon lamp or laser, and after the melting, moving the two cylindrical BaZrO3 ceramics in a direction parallel to an axis of rotation thereof, enabling the molten junction to be solidified, and thereby growing a single crystal.
    Type: Application
    Filed: May 30, 2019
    Publication date: January 7, 2021
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventor: Yoon Seok OH
  • Publication number: 20150301649
    Abstract: A touch sensing apparatus may include a noise removing unit removing noise components from digital signals generated based on changes in capacitance; an edge extracting unit extracting edges of the digital signals; a calculating unit calculating an output signal of the noise removing unit and the edges output from the edge extracting unit; and a touch determining unit determining a touch based on an output signal of the calculating unit.
    Type: Application
    Filed: September 15, 2014
    Publication date: October 22, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Su Jong KIM, Ji Hoon KIM, Yoon Seok OH, Do Sang KWON, Hyun Suk LEE, Sang Hyun SIM
  • Publication number: 20150261349
    Abstract: A touch sensing method may include setting at least one touch group according to levels of a plurality of digital data according to changes of capacitance in a plurality of nodes; detecting two nodes having highest levels of the plurality of digital data among the touch group; generating a plurality of combinations by matching nodes defining two vertices, among four vertices of the touch group, facing each other with the two nodes having the highest levels among the plurality of digital data; selecting one combination among the plurality of combinations; and setting an examination region executing a touch separating algorithm according to two points positioned two respective line segments connecting the respective nodes of the selected combination.
    Type: Application
    Filed: October 20, 2014
    Publication date: September 17, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Gil YOON, Yoon Seok OH, Ji Hoon KIM
  • Publication number: 20150253913
    Abstract: There are provided a touch separation method and a touchscreen apparatus. The touch separation method includes: obtaining a digital signal including a plurality of pieces of digital data depending on changes in capacitances in a plurality of nodes; setting at least one touch group depending on levels of the plurality of pieces of digital data; testing pieces of digital data of the at least one touch group in a preset sequence; and determining a trough depending on a level of a combination of two adjacent pieces of digital data facing each other, based on a test target piece of digital data among the pieces of digital data of the at least one touch group.
    Type: Application
    Filed: June 5, 2014
    Publication date: September 10, 2015
    Inventors: Yoon Seok OH, Dae Gil YOON, Ji Hoon KIM, Sang Hyun Sim
  • Publication number: 20150253896
    Abstract: A touchscreen apparatus may include: a panel unit including a plurality of first electrodes and a plurality of second electrodes intersecting with the plurality of first electrodes, and a calculating unit obtaining a plurality of pieces of digital data generated from capacitance of node capacitors formed in intersections between the plurality of first electrodes and the plurality of second electrodes. The calculating unit calculates a noise reference level of a current frame using a plurality of pieces of digital data of the current frame and a plurality of pieces of digital data of a previous frame.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 10, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Su Jong KIM, Ji Hoon KIM, Yoon Seok OH, Do Sang KWON, Hyun Suk LEE
  • Publication number: 20150248178
    Abstract: A touchscreen apparatus may include: a panel unit including a plurality of driving electrodes and a plurality of sensing electrodes intersecting with the plurality of driving electrodes; a sensing circuit unit detecting levels of capacitance from the plurality of sensing electrodes; and a calculating unit generating a plurality of pieces of effective data corresponding to nodes of the plurality of driving electrodes and the plurality of sensing electrodes from the levels of capacitance.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 3, 2015
    Inventors: Yoon Seok Oh, Sang Hyun Sim, Hyun Suk Lee, Ji Hoon Kim
  • Publication number: 20150193071
    Abstract: The present invention discloses a device and a method for recognizing a gesture by use of multi-touch information. The method for recognizing a gesture by use of multi-touch information in accordance with an embodiment of the present invention includes: obtaining one or more first critical nodes, each having a greater node value than a first critical value, from points touched; configuring a task box including all of the one or more first critical nodes; obtaining one or more second critical nodes, each having a greater node value than a second critical value, from the one or more first critical nodes included in the task box; obtaining a peak node having a highest node value compared to surrounding nodes from the second critical nodes; and counting the number of the peak nodes.
    Type: Application
    Filed: April 14, 2014
    Publication date: July 9, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon-Seok OH, Ji-Hoon KIM, Sang-Hyun SIM
  • Patent number: 8982072
    Abstract: There are provided a mobile device and a method of controlling a screen of the mobile device. The mobile device includes: a display unit including an effective display area for displaying a screen; a touch screen panel including a plurality of sensing electrodes; and a control unit detecting a touch input based on a sensing signal generated from the plurality of sensing electrodes and controlling the screen displayed by the display unit, wherein when the touch input corresponds to a previously set first input gesture, the control unit controls such that a size of the screen is reduced at a predetermined first ratio and the reduced screen is only displayed in a portion of the effective display area.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: March 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hyun Sim, Ji Hoon Kim, Bo Yle Seo, Yoon Seok Oh
  • Publication number: 20140354569
    Abstract: Embodiments of the invention provide a mobile phone configured to separate a screen. The mobile phone includes a touch screen configured to display an execution screen of a predetermined application thereon and further configured to sense a touch input by a gesture of a user. The mobile phone further includes a touch input processor configured to measure an X-axis line value and a Y-axis line value of a touch region by the touch input and further configured to determine whether the touch input is an input for separating the screen. Further, the mobile phone includes a controller configured to determine a separation axis of the screen and further configured to separate the screen into one or more regions based on the separation axis when the touch input is determined as the input for separating the screen.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Seok OH, Dae Gil YOON, Ji Hoon KIM, Sang Hyun SIM
  • Patent number: 8859236
    Abstract: The present invention relates to a microorganism with improved production of 5?-xanthosine monophosphate and 5?-guanine monophosphate, and more specifically, to a Corynebacterium sp. microorganism having increased proline dehydrogenase activity compared with an intrinsic activity thereof, a method for producing 5?-xanthosine monophosphate or 5?-guanine monophosphate from the culture medium obtained by culturing the transformed microorganism, and a use of the microorganism for production of 5?-xanthosine monophosphate or 5?-guanine monophosphate.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: October 14, 2014
    Assignee: CJ Cheiljedang Corporation
    Inventors: Jin Man Cho, Jin Nam Lee, Hye Won Kim, Ji Hye Lee, Nan Young Yoon, Kwang Woo Lee, Yoon Seok Oh, Jang Hee Park
  • Patent number: 8815545
    Abstract: Disclosed is a novel microorganism which has a malate dehydrogenase activity higher than that of a wild-type. Also, a recombinant vector which has the structure shown in the cleavage map of FIG. 1, a Corynebacteria strain transformed therewith, and a method of producing 5?-xanthosine monophosphate by culturing the transformed strain are disclosed.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: August 26, 2014
    Assignee: CJ CheilJedang Corporation
    Inventors: Jinman Cho, Hye Won Kim, Jinman Lee, Ji-Hye Lee, Yoon Seok Oh, Jang Hee Park
  • Publication number: 20140168171
    Abstract: There are provided a touch sensing device and a touch sensing method, the touch sensing device including a sensing circuit unit detecting a plurality of changes in capacitance generated in a panel unit, a signal converting unit generating a plurality of pieces of sensing data for determining a touch input from the plurality of changes in capacitance detected by the sensing circuit unit, and an operating unit determining the touch input based on the plurality of pieces of sensing data, wherein the operating unit corrects a coordinate of the touch input by applying a predetermined correction value when it is determined that the coordinate of the touch input is included in an edge region of the panel unit, and sets different correction values according to a touch area of the touch input included in the edge region.
    Type: Application
    Filed: February 21, 2013
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Seok OH, Ji Hoon KIM, Sang Hyun SIM, Bo Yle SEO
  • Publication number: 20140168112
    Abstract: There are provided a touch sensing apparatus and a touch sensing method. The touch sensing method includes: obtaining sensed data from a touchscreen and a touch key; determining whether a touch has been applied to the touch key; and when it is determined that a touch has been applied to the touch key, whether to apply one or more noise canceling algorithms is determined based on the sensed data obtained from the touchscreen.
    Type: Application
    Filed: May 29, 2013
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ji Hoon KIM, Yoon Seok Oh, Sang Hyun Sim, Hyun Suk Lee
  • Publication number: 20140145975
    Abstract: There are provided a touchscreen device and a screen zoom method thereof, the touchscreen device including a panel unit to which a touch is input, a control unit generating a zoom signal according to a line touch input to the panel unit and having a predetermined length, and a display unit enlarging or shrinking a screen according to the zoom signal and outputting the screen.
    Type: Application
    Filed: February 21, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hyun SIM, Yoon Seok Oh, Ji Hoon Kim, Sam Ki Jung
  • Publication number: 20140085208
    Abstract: There are provided a touchscreen device capable of preventing a typing error of a touch keyboard, and an electronic device using the same. The touchscreen device includes a display unit outputting a keyboard touch region including a touch keyboard, a touchscreen to which a touch is made, and a control unit controlling the display unit to output an expanded keyboard having a preset shape by expanding a touch region of a first touch when the first touch is sensed in the keyboard touch region, wherein the first touch is a floating or hovering touch.
    Type: Application
    Filed: August 13, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hyun Sim, Yoon Seok Oh, Ji Hoon Kim
  • Publication number: 20130326395
    Abstract: There are provided a method of unlocking a touch screen and an electronic device using the same. The electronic device includes: a display displaying a locked screen image in a screen locked state; a touch screen to which a touch is input; and a controlling unit unlocking the screen locked state when a first touch event continued for a first preset time or longer in the screen locked state and a second touch event generated within a second preset time after the first touch event has ended are sensed.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 5, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Seok OH, Sang Hyun Sim, Bo Yle Seo, Ji Hoon Kim
  • Publication number: 20130321290
    Abstract: There are provided a method and an apparatus for sensing a touch input. The method of sensing a touch input includes selecting at least a portion of a plurality of nodes in which a sensing signal is generated by a touch input, defining a node group according to the plurality of selected nodes, generating two or more first sub-node groups by dividing a plurality of nodes included in the node group, based on a first axial direction, and determining a first touch vector of the node group by calculating centric coordinates of the respective two or more first sub-node groups.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 5, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Seok OH, Tah Joon Park, Sang Hyun Sim, Bo Yle Seo, Ji Hoon Kim
  • Publication number: 20130285933
    Abstract: There are provided a mobile device and a method of controlling a screen of the mobile device. The mobile device includes: a display unit including an effective display area for displaying a screen; a touch screen panel including a plurality of sensing electrodes; and a control unit detecting a touch input based on a sensing signal generated from the plurality of sensing electrodes and controlling the screen displayed by the display unit, wherein when the touch input corresponds to a previously set first input gesture, the control unit controls such that a size of the screen is reduced at a predetermined first ratio and the reduced screen is only displayed in a portion of the effective display area.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 31, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hyun Sim, Ji Hoon Kim, Bo Yle Seo, Yoon Seok Oh
  • Patent number: 8530200
    Abstract: Disclosed is a method of producing 5?-guanosine monophosphate using a novel microorganism which has a malate dehydrogenase activity higher than that of a wild-type, thereby showing improved ATP productivity. Also, a novel microorganism is disclosed. The method comprises: culturing the corynebacteria strain which is enhanced in malate dehydrogenase activity over the endogenous activity, thus producing ATP in high yield; producing XMP in the culture; adding to the culture an enzyme or microorganism having XMP amination activity; and obtaining GMP from the culture.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: September 10, 2013
    Assignee: CJ Cheiljedang Corporation
    Inventors: Jinman Cho, Hye Won Kim, Yoon Seok Oh, Jang Hee Park