Patents by Inventor Sang Yu

Sang Yu 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).

  • LESION DIAGNOSIS APPARATUS AND METHOD TO DETERMINE REGULARITY OF SHAPE OF LESION
    Publication number: 20130170718
    Abstract: A lesion diagnosis apparatus and method to determine a regularity of a shape of a lesion are provided. The lesion diagnosis apparatus to determine a regularity of a shape of a lesion, includes a lesion area detecting unit configured to form a lesion area by selecting virtual points along a boundary of a lesion included in an image, and a lesion diagnosing unit configured to determine the regularity of the shape of the lesion by analyzing a correlation of the selected virtual points.
    Type: Application
    Filed: June 5, 2012
    Publication date: July 4, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Woo Ryu, Jin-Man Park, Do-Young Kim, Ji-Sang Yu, Dae-Myung Jang
  • Battery and battery pack comprising the same
    Patent number: 8415048
    Abstract: A battery and a battery pack including the battery. The battery includes: a frame; an electrode assembly disposed around the frame; a main body to house the electrode assembly; and electrode terminals extending from the electrode assembly in a first direction, through the main body. A cooling hole extends through opposing sides of the main body, in a second direction that is generally perpendicular to the first direction.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: April 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Meen-seon Paik, Tae-sang Park, Young-min Choi, Jin-hwan Park, Ji-sang Yu, Ji-young Jeong
  • Spectrophotometer using medium energy ion
    Patent number: 8395117
    Abstract: Provided is a spectrophotometer using medium energy ion. The spectrophotometer using medium energy ion is configured to include: an ion source 10 generating ions; a collimator 20 collimating the ions as a parallel beam; an accelerator 30 accelerating the parallel beam; an ion beam pulse generator 40 pulsing the accelerated ion beam; a focusing objective 50 focusing the pulsed ion beam on a specimen 1; a detector 60 detecting a spectroscopic signal of scattered ion from a specimen 1; and a data analyzer 70 analyzing and processing the spectroscopic signal detected by the detector 60.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: March 12, 2013
    Assignees: K-MAC, Korea Research Institute of Standards and Science
    Inventors: Dae Won Moon, Ju Hwang Kim, Yeon Jin Yi, Kyu-Sang Yu, Wan Sup Kim
  • Two dimensional light source using light emitting diode and liquid crystal display device using the two dimensional light source
    Patent number: 8368846
    Abstract: A two-dimensional light source includes a base substrate having holes, wires disposed on a lower surface of the base substrate, a light emitting diode (LED) chip disposed on an upper surface of the base substrate, plugs that connect two electrodes of the LED chip to the wires through the holes, a buffer layer covering the LED chip, and an optical layer that is disposed on the buffer layer and has an optical pattern formed at a portion of the optical layer corresponding to the LED chip.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gi-Cherl Kim, Se-Ki Park, Ju-Young Yoon, Byung-Choon Yang, Seok-Hyun Nam, Sang-Yu Lee
  • Ultrafast magnetic recording element and nonvolatile magnetic random access memory using the magnetic recording element
    Patent number: 8324696
    Abstract: Provided are an ultrafast magnetic recording element and a nonvolatile magnetic random access memory using the same. The magnetic recording element includes a read electrode, a magnetic pinned layer formed on the read electrode, and an insulating layer or a conductive layer formed on the magnetic pinned layer. The magnetic recording element includes a magnetic free layer formed on the insulating layer or the conductive layer, in which a magnetic vortex is formed, and a plurality of drive electrodes applying a current or magnetic field to the magnetic free layer. According to the magnetic recording elements, the magnetic recording element with a simple structure can be realized using a magnetic layer with a magnetic vortex formed, and the magnetic recording element can be accurately driven with low power using a plurality of drive electrodes.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: December 4, 2012
    Assignee: SNU R&DB Foundation
    Inventors: Sang-Koog Kim, Ki-Suk Lee, Young-Sang Yu
  • Method for recording of information in magnetic recording element and method for recording of information in magnetic random access memory
    Patent number: 8300453
    Abstract: Provided are a method for recording information in a magnetic recording element and a method for recording information in a magnetic random access memory. The method for recording information in a magnetic recording element includes preparing the magnetic recording element having a magnetic free layer in which a magnetic vortex is formed. A current or a magnetic field whose direction varies with time is applied to the magnetic free layer to switch a core orientation of a magnetic vortex formed in the magnetic free layer to an upward direction or downward direction from a top surface of the magnetic free layer “0” or “1” is assigned according to the direction of the core orientation of the magnetic vortex formed in the magnetic free layer.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: October 30, 2012
    Assignee: Snu R&DB Foundation
    Inventors: Sang-Koog Kim, Ki-Suk Lee, Young-Sang Yu
  • ANTIHYPERTENSIVE PHARMACEUTICAL COMPOSITION
    Publication number: 20120264772
    Abstract: Provided is an antihypertensive pharmaceutical composition containing Fimasartan, a pharmaceutically acceptable salt thereof, a solvate thereof or a hydrate thereof as an angiotensin II receptor blocker, and Amlodipine, an isomer thereof, a pharmaceutically acceptable salt thereof, a solvate thereof or a hydrate thereof as a calcium channel blocker.
    Type: Application
    Filed: August 8, 2011
    Publication date: October 18, 2012
    Inventors: Seung Ho Kim, Ji Han Kim, Je Hak Kim, Kyung Wan Nam, Yong Ha Chi, Joo Han Lee, Soo Heui Paik, So Jeong Yi, Tae Eun Kim, Seo Hyun Yoon, Joo Youn Cho, Sang Goo Shin, In Jin Jang, Kyung Sang Yu
  • Head-end system for providing two-way VOD service and service method thereof
    Patent number: 8250615
    Abstract: A head-end system for providing a two-way VOD service and a service method thereof are disclosed. The head-end system includes: a terminal which is based on a Java virtual machine and a Java TV/GEM standard middleware and has a VOD navigator application of a tool set form for replaying and controlling an audiovisual (AV) which is processed to be replayed in real time and an application related to the AV which is processed to be replayed in real time; and a two-way VOD head-end system server for providing a VOD content list and content information to the terminal through the Internet and providing information of an application related to an AV which is processed to be replayed and an application execution-related file together when a VOD content is selected and requested by a user.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: August 21, 2012
    Assignee: Alticast Co., Ltd.
    Inventor: Ho Sang Yu
  • Separator having porous coating layer and electrochemical device containing the same
    Patent number: 8168332
    Abstract: A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a plurality of inorganic particles and a binder polymer, wherein the binder polymer includes a first polyvinylidene fluoride based copolymer having solubility of 25 weight % or more with respect to acetone at 35° C.; a second polyvinylidene fluoride-based copolymer having solubility of 10 weight % or less with respect to acetone at 35° C.; and a polymer having a cyano group. This separator decelerates deterioration of life span of an electrochemical device, and prevents disintercalation of inorganic particles in the porous coating layer, thereby improving safety of the electrochemical device.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: May 1, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Yoon-Jung Bae, Pil-Kyu Park, Jong-Hwan Kim, Dong-Hun Han, Han-Ho Lee, Sang-Young Lee, Ji-Sang Yu, Hyun-Min Jang
  • Auto management system for air filter used in battery pack and auto management method for the same
    Patent number: 8150570
    Abstract: An auto management system for an air filter used in a battery pack comprises at least one cell and a case accommodating each of the cells so that there is secured an air flow passage between the neighboring cells. The battery pack is provided with an air inlet at one side and an air outlet on the other side and comprises an air filter detachably mounted at an outside end of the air inlet of the case; a blowing fan provided to one of the air inlet and the air outlet; a flux sensor; a control unit connected to the cells of the battery pack, the blowing fan and the flux sensor, respectively, measuring currents, voltages and temperatures of the respective cells and electrically controlling the blowing fan and the flux sensor.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: April 3, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Yeo Won Yoon, Ji Sang Yu
  • Multi-functional jaw wrench combined with self adjusting socket
    Publication number: 20120067177
    Abstract: A multi-functional jaw wrench combined with self adjusting socket is provided. The multi-functional jaw wrench is comprised of one fixed jaw and one movable jaw at the first end of the handle and a self-adjustable socket that is rotatably attached on the second end of the handle. The self-adjustable socket comprises of many small diameter pins arranged inside of a bore surrounding a six phased rod placed at the center of the bore. The self-adjustable socket is rotatably engaged to a circular gears developed inside of a hole of a socket receiver that is developed on the second end of the handle via a socket head section. Another embodiment of the current invention of the self-adjustable socket receiver can be folded ±90 degrees to align the socket with the handle and enables a user reach a bolts located inside of a structure.
    Type: Application
    Filed: September 22, 2010
    Publication date: March 22, 2012
    Inventor: Paul Sang Yu
  • Power supply, display device, and light source driving apparatus
    Patent number: 8129918
    Abstract: A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a magnitude is varied in accordance with the first switching control signal, the duty sensing signal being indicative of a duty ratio of the first switching control signal, and the DC-DC converter converting the input voltage into a DC output voltage of a predetermined magnitude based on the first switching control signal; and a feedback controlling unit comparing the duty sensing signal with a first reference signal to adjust the duty ratio of the first switching control signal.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: March 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Gil Lee, Ju-Young Yoon, Jong-Seo Lee, Gi-Cherl Kim, Sang-Yu Lee
  • Optical lens, optical package having the same, backlight assembly having the same and display device having the same
    Patent number: 8118458
    Abstract: An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central portion has a convex shape. The peripheral portion has a concave shape. The peripheral portion surrounds the central portion. Therefore, power consumption and manufacturing cost are decreased.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: February 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Ki Park, Sang-Yu Lee, Gi-Cherl Kim, Seok-Hyun Nam, Ju-Young Yoon
  • Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Comprising The Same
    Publication number: 20120009487
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent. The lithium salt includes LiN(CF3SO2)2. The non-aqueous electrolyte solution further includes a sulfate-based compound and vinylene carbonate. A lithium secondary battery having the above non-aqueous electrolyte solution may keep overall high temperature performance in a high level and also improve low temperature power characteristics.
    Type: Application
    Filed: March 26, 2010
    Publication date: January 12, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Ra-Young Hwang, Ji-Sang Yu
  • Method for read-out of information in magnetic recording element and method for read-out of information in magnetic random access memory
    Patent number: 8094487
    Abstract: Provided are a method for read-out of information in a magnetic recording element and a method for read-out of information in a magnetic random access memory. In the method, a magnetic recording element including a magnetic free layer where a magnetic vortex is formed is prepared, and “0” or “1” is assigned according to a core orientation of a magnetic vortex formed in the magnetic free layer. The magnetic vortex core formed in the magnetic free layer rotates on the magnetic free layer by applying a current or magnetic field, of which a direction varies with time, to the magnetic free layer with the magnetic vortex formed. “0” or “1” assigned according to the core orientation of the magnetic vortex formed in the magnetic free layer is read out by measuring a characteristic caused by a difference in a rotation radius of the magnetic vortex core.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: January 10, 2012
    Assignee: SNU R&DB Foundation
    Inventors: Sang-Koog Kim, Ki-Suk Lee, Young-Sang Yu
  • Rechargeable lithium battery using separator partially coated with gel polymer
    Patent number: 8003263
    Abstract: Disclosed are a separator for a battery, which is coated with a gel polymer over 40-60% of total separator area, and a rechargeable lithium battery using the separator. The separator partially coated with a gel polymer reduces the battery resistance so that the battery power can be improved. Additionally, the separator increases electrolyte impregnation rate and provides uniform electrolyte impregnation, thereby improving the life, capacity and high-rate discharge property of a battery. Further, the separator permits electrode reactions to be performed uniformly, thereby preventing lithium precipitation and improving the battery safety.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: August 23, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Jee Ho Kim, Ji Sang Yu, Jeong Hee Choi
  • Light generating device, backlight assembly having the same, and display apparatus having the backlight assembly
    Patent number: 8002421
    Abstract: A light-generating device includes a driving substrate and a plurality of light source arrays. The driving substrate has a rectangular planar shape. The plurality of light source arrays is formed on the driving substrate. The light source arrays include at least one light emitting diode to generate light in response to power being applied through the substrate, and the light source arrays are spaced apart from each other. Thus, heat generated from the light-generating device is rapidly dissipated from the light-generating device, improving brightness of the light, brightness uniformity of the light and color reproducibility of the light.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: August 23, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chun-Ho Song, Sang-Yu Lee, Gi-Cherl Kim, Seoek-Hwan Kang, Sang-Gil Lee, Ju-Young Yoon
  • TWO DIMENSIONAL LIGHT SOURCE USING LIGHT EMITTING DIODE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE TWO DIMENSIONAL LIGHT SOURCE
    Publication number: 20110163343
    Abstract: A two-dimensional light source includes a base substrate having holes, wires disposed on a lower surface of the base substrate, a light emitting diode (LED) chip disposed on an upper surface of the base substrate, plugs that connect two electrodes of the LED chip to the wires through the holes, a buffer layer covering the LED chip, and an optical layer that is disposed on the buffer layer and has an optical pattern formed at a portion of the optical layer corresponding to the LED chip.
    Type: Application
    Filed: March 21, 2011
    Publication date: July 7, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gi-Cherl KIM, Se-Ki PARK, Ju-Young YOON, Byung-Choon YANG, Seok-Hyun NAM, Sang-Yu LEE
  • Spectrophotometer Using Medium Energy Ion
    Publication number: 20110133081
    Abstract: Provided is a spectrophotometer using medium energy ion. The spectrophotometer using medium energy ion is configured to include: an ion source 10 generating ions; a collimator 20 collimating the ions as a parallel beam; an accelerator 30 accelerating the parallel beam; an ion beam pulse generator 40 pulsing the accelerated ion beam; a focusing objective 50 focusing the pulsed ion beam on a specimen 1; a detector 60 detecting a spectroscopic signal of scattered ion from a specimen 1; and a data analyzer 70 analyzing and processing the spectroscopic signal detected by the detector 60.
    Type: Application
    Filed: July 28, 2009
    Publication date: June 9, 2011
    Applicants: K-MAC, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Dae Won Moon, Ju Hwang Kim, Yeon Jin Yi, Kyu-Sang Yu, Wan Sup Kim
  • Two dimensional light source using light emitting diode and liquid crystal display device using the two dimensional light source
    Patent number: 7932970
    Abstract: A two-dimensional light source includes a base substrate having holes, wires disposed on a lower surface of the base substrate, a light emitting diode (LED) chip disposed on an upper surface of the base substrate, plugs that connect two electrodes of the LED chip to the wires through the holes, a buffer layer covering the LED chip, and an optical layer that is disposed on the buffer layer and has an optical pattern formed at a portion of the optical layer corresponding to the LED chip.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gi-Cherl Kim, Se-Ki Park, Ju-Young Yoon, Byung-Choon Yang, Seok-Hyun Nam, Sang-Yu Lee