Patents by Inventor Yong-Hoon An

Yong-Hoon An 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).

  • Biodegradable polymer microparticles and preparation method thereof
    Patent number: 8329856
    Abstract: The present invention relates to a preparation method for a biodegradable polymer microparticle and a microparticle prepared by the method. More particularly, the present invention relates to a method for preparing a polymer microparticle, wherein the method includes the steps of: dissolving a biodegradable polyester-based polymer in DMSO (Dimethyl Sulfoxide); spraying the solution in a low temperature hydrocarbon solution to provide a frozen DMSO microparticle; adding the microparticle in a low temperature salt aqueous solution to dissolve DMSO; and removing salt. The present invention provides a method for preparing a novel polymer microsphere which can be injected through a syringe due to excellent physical properties (such as biocompatibility, biodegradability, porosity, mechanical strength) and the microcarrier's size-adjustability, and can be easily mass-produced.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: December 11, 2012
    Assignee: Regen Biotech Inc.
    Inventors: Gun Poong Kim, Yong Hoon Lee, Kun Pil Lee
  • SEMICONDUCTOR DEVICE, SEMICONDUCTOR PACKAGE, AND ELECTRONIC DEVICE
    Publication number: 20120306062
    Abstract: A semiconductor device, a semiconductor package, and an electronic device are provided. The electronic device includes a first semiconductor package disposed on a circuit substrate. A second semiconductor package is provided on the circuit substrate and spaced apart from the first semiconductor package. An insulating electromagnetic shielding structure is provided on the top and the lateral surfaces of the first semiconductor package. A conductive electromagnetic shielding structure is provided on the circuit substrate to cover the first and second semiconductor packages and the insulating electromagnetic shielding structure.
    Type: Application
    Filed: April 2, 2012
    Publication date: December 6, 2012
    Inventors: Yong-Hoon KIM, In-Ho CHOI, Keung-Beum KIM
  • Vertical type semiconductor device and method of manufacturing a vertical type semiconductor device
    Patent number: 8324056
    Abstract: A vertical pillar semiconductor device may include a substrate, a group of channel patterns, a gate insulation layer pattern and a gate electrode. The substrate may be divided into an active region and an isolation layer. A first impurity region may be formed in the substrate corresponding to the active region. The group of channel patterns may protrude from a surface of the active region and may be arranged parallel to each other. A second impurity region may be formed on an upper portion of the group of channel patterns. The gate insulation layer pattern may be formed on the substrate and a sidewall of the group of channel patterns. The gate insulation layer pattern may be spaced apart from an upper face of the group of channel patterns. The gate electrode may contact the gate insulation layer and may enclose a sidewall of the group of channel patterns.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Son, Jong-Wook Lee, Jong-Hyuk Kang
  • Semiconductor device
    Patent number: 8319538
    Abstract: A semiconductor device including a common delay circuit configured to delay an input signal in response to a delay control code to output a first delayed input signal and a second delayed input signal; a first delay circuit configured to delay the first delayed input signal in response to the delay control code and to output a first output signal; and a second delay circuit configured to delay the second delayed input signal in response to the delay control code and to output a second output signal.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: November 27, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Yong-Hoon Kim, Hyun-Woo Lee
  • VERTICAL-TYPE NON-VOLATILE MEMORY DEVICES AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20120292686
    Abstract: In a semiconductor device, and a method of manufacturing thereof, the device includes a substrate of single-crystal semiconductor material extending in a horizontal direction and a plurality of interlayer dielectric layers on the substrate. A plurality of gate patterns are provided, each gate pattern being between a neighboring lower interlayer dielectric layer and a neighboring upper interlayer dielectric layer. A vertical channel of single-crystal semiconductor material extends in a vertical direction through the plurality of interlayer dielectric layers and the plurality of gate patterns, a gate insulating layer being between each gate pattern and the vertical channel that insulates the gate pattern from the vertical channel.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 22, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Hoon Son, Jong-Wook Lee
  • Thermoplastic resin foam
    Patent number: 8314160
    Abstract: A thermoplastic resin foam which has both high reflectance and superior shape-retention properties, suitable for use in backlights and illumination boxes for illumination signboards, lighting fixtures, displays and the like. The thermoplastic resin foam is manufactured by a manufacturing method including a procedure for holding a resin sheet composed of thermoplastic resin (A) and thermoplastic resin (B), which has a functional group having an affinity with thermoplastic resin (A), within a pressurized inert gas atmosphere to enable the resin sheet to contain inert gas, and a procedure for foaming by heating the resin sheet containing inert gas at a temperature higher than the softening temperature of thermoplastic resin, under normal pressure.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: November 20, 2012
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Kohji Masuda, Masayasu Ito, Kojiro Inamori, Naoki Yoshida, Michiaki Kawakami, Hiroyuki Yamazaki, Hidehumi Miyagi, Yong Hoon Kim
  • ELECTRODE ADDITIVES COATED WITH ELECTRO CONDUCTIVE MATERIAL AND LITHIUM SECONDARY COMPRISING THE SAME
    Publication number: 20120288761
    Abstract: Provided are an electrode additive coated with a coating material made of electrically conductive materials such as metal hydroxides, metal oxides or metal carbonates, and an electrode and a lithium secondary battery comprising the same. The electrode additive in accordance with the present invention can improve high temperature storage characteristics of the battery, without deterioration of performance thereof.
    Type: Application
    Filed: May 16, 2012
    Publication date: November 15, 2012
    Inventors: Hong-Kyu PARK, Kwang Hoon KIM, Sun kyu KIM, Seung Il YOO, Jae-Up JANG, Yong Hoon KWON, Kyungmin CHUN
  • Vertical-type semiconductor devices and methods of manufacturing the same
    Patent number: 8309417
    Abstract: In a vertical-type memory device and a method of manufacturing the vertical-type memory device, the vertical memory device includes an insulation layer pattern of a linear shape provided on a substrate, pillar-shaped single-crystalline semiconductor patterns provided on both sidewalls of the insulation layer pattern and transistors provided on a sidewall of each of the single-crystalline semiconductor patterns. The transistors are arranged in a vertical direction of the single-crystalline semiconductor pattern, and thus the memory device may be highly integrated.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: November 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Son, Jong-Wook Lee, Jong-Hyuk Kang
  • Methods of fabricating MOS transistors having recesses with elevated source/drain regions
    Patent number: 8304318
    Abstract: Methods of fabricating metal-oxide-semiconductor (MOS) transistors having elevated source/drain regions are provided. The MOS transistors formed by these methods may include a gate pattern formed to cross over a predetermined region of a substrate. Recessed regions are provided in the substrate adjacent to the gate pattern. Epitaxial layers are provided on bottom surfaces of the recessed regions. High concentration impurity regions are provided in the epitaxial layers. The recessed regions may be formed using a chemical dry etching techniques.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Son, Si-Young Choi, Byeong-Chan Lee, Deok-Hyung Lee, In-Soo Jung
  • Repeater and method for processing signal, and method for converting synchronous frequency thereof
    Patent number: 8306472
    Abstract: A repeater having different input and output frequencies converts a signal received with the input frequency to a first intermediate frequency signal based on a local oscillating frequency for intermediate frequency conversion, and converts the first intermediate frequency signal to a second intermediate frequency signal by performing digital processing on the first intermediate frequency signal. Then, the repeater generates a first frequency tone signal that corresponds to a difference between the input and output frequencies, and generates a second frequency tone signal from the local oscillating frequency for intermediate frequency conversion and the first frequency tone signal. The repeater up-converts the second intermediate frequency signal to the output frequency based on the second frequency tone signal, and transmits the signal.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: November 6, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyoung Soo Lim, Ho Min Eum, Sung Ik Park, Jae Hyun Seo, Yong Tae Lee, Yong Hoon Lee, Sung-Hoon Kim, Heung Mook Kim, Jong Soo Lim, Soo In Lee
  • Developing unit of image forming apparatus
    Patent number: 8290410
    Abstract: A developing unit provided in an image forming apparatus includes a regulating member that improves developer layer regulation performance. The developing unit is configured to feed developer to a photoconductor, on which an electrostatic latent image is formed, to form an image. The regulating member of the developing unit includes a bending portion contacting an outer peripheral surface of a developing device provided in a frame of the developing unit. The width of the regulating member is variable to increase rearward from the bending portion. The regulating member may further include an extension portion extending from the bending portion. Sealing members may be attached to both ends of the frame of the developing unit so as to contact the respective ends of the bending portion.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: October 16, 2012
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Jong Woo Lee, Yong Hoon Lee
  • Methods of booting application processors from external devices
    Patent number: 8291210
    Abstract: An electronic information system comprises an external storage device and an application processor. The external storage device stores boot code and the application processor is adapted to receive the boot code from the external storage device and to perform a system booting operation during a power-up operation by executing the boot code.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: October 16, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Kim, Yun-Tae Lee, Sung-Up Choi
  • Heated eyelash groomer
    Patent number: 8267099
    Abstract: An eyelash groomer having multiple functions on a function head portion of the groomer. The number of functions depend upon the number of function head pieces. Each function head pieces is recommended to have a plurality of small bridges protruding perpendicularly from its respective bases to cage a heating element accessible to each function head piece of the function head of the eyelash groomer. The bridges also prevent the skin from directly contacting the heating element but allow the eyelashes direct contact for optimum curling. The bridges also serve as a guide for the eyelashes because the eyelashes enter at the intervals or spaces between the bridges. The heating element run horizontally beneath each function head piece. A heating mechanism heats the heating element and a protection case houses the components of the heating mechanism and serves as a handle for the eyelash groomer.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: September 18, 2012
    Inventor: Yong Hoon Cho
  • ADHESIVE FILM AND TOUCH PANEL
    Publication number: 20120231245
    Abstract: The present invention relates to an adhesive film and to a touch panel. According to the present invention, even when the adhesive film is applied to a touch panel, for example, a capacitive touch panel, and directly attached to a conductive layer, the adhesive film effectively prevents the resistance of the conductive layer from being raised and exhibits good heat resistance. In addition, according to the present invention, an adhesive film having superior durability, optical characteristics, cuttability, workability, wettability and resistance to warping is provided.
    Type: Application
    Filed: March 14, 2011
    Publication date: September 13, 2012
    Applicant: LG HAUSYS, LTD
    Inventors: Jang-Soon Kim, Min-Seok Song, Eok-Hyung Lee, Won-gu Choi, Jae-Gwan Lee, Yong-Hoon Lee, Hak-Rhim Han
  • Multi-level phase-change memory device and method of operating same
    Patent number: 8259490
    Abstract: A multi-level cell (MLC) phase-change memory device divides data into data groups each comprising multiple bits of data, and stores each of the data groups in a selected phase-change memory cell. A data group is stored in a selected phase-change memory cell by applying a pulse current to the selected phase-change memory cell with a pulse current characteristic corresponding to a data value of the data group. The pulse current characteristic can comprise, for instance, a magnitude, downward slope, or duration of the pulse current. Data is read from a selected phase-change memory cell by sensing a voltage of a bitline connected to the selected phase-change memory cell and comparing the sensed voltage simultaneously with a plurality of reference voltages.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Hoon Kang, Dong Yang Lee
  • Package on package structure
    Patent number: 8253228
    Abstract: A package on package structure includes a lower package and an upper package. The lower package includes a first semiconductor chip disposed in a chip region of an upper surface of a first substrate. The upper package includes a second semiconductor chip disposed on an upper surface of a second substrate, and a decoupling capacitor disposed in an outer region of a lower surface of the second substrate. The lower surface of the second substrate opposes the upper surface of the second substrate and faces the upper surface of the first substrate. The plane area of the second substrate is larger than the plane area of the first substrate. The outer region of the lower surface of the second substrate extends beyond a periphery of the first substrate.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Kim, Byeong-Yeon Cho, Hee-Seok Lee
  • Method and system for transmitting/receiving data in a communication system
    Patent number: 8243840
    Abstract: Provided are a system and a method for transmitting/receiving data in a communication system. The method includes calculating a processing matrix of a transmission unit for transmitting data, a processing matrix of a reception unit for receiving the data, a channel matrix formed by a plurality of transmission antennas and a plurality of reception antennas, and a parameter of the transmission data, when the data to be transmitted to the plurality of reception antennas via the plurality of transmission antennas is generated; determining a minimum value of a Minimum Mean Square Error (MMSE) according to the calculated matrixes and parameter; and transmitting/receiving the data using an MMSE multiplexing scheme based on the determined minimum MMSE value.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: August 14, 2012
    Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science & Technology (KAIST)
    Inventors: In-Soo Hwang, Cheol-Woo You, Jin-Gon Joung, Yong-Hoon Lee, Yong-Up Jang, Won-Yong Shin
  • ROLLER FOR IMAGING APPARATUS AND IMAGING APPARATUS INCLUDING THE ROLLER
    Publication number: 20120201572
    Abstract: A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.
    Type: Application
    Filed: February 7, 2012
    Publication date: August 9, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Soon-nam Kim, Hee-won Jung, Moon-young Kim, Dong-jin Park, Myoung-su Baek, Yong-hoon Lee
  • BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20120201050
    Abstract: A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface.
    Type: Application
    Filed: July 27, 2011
    Publication date: August 9, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui Jeong KANG, Juhwa HA, Hyeeun PARK, Cheolyong NOH, Seung Hwan BAEK, Yong-Hoon KWON
  • Vertical-type non-volatile memory devices and methods of manufacturing the same
    Patent number: 8236650
    Abstract: In a semiconductor device, and a method of manufacturing thereof, the device includes a substrate of single-crystal semiconductor material extending in a horizontal direction and a plurality of interlayer dielectric layers on the substrate. A plurality of gate patterns are provided, each gate pattern being between a neighboring lower interlayer dielectric layer and a neighboring upper interlayer dielectric layer. A vertical channel of single-crystal semiconductor material extends in a vertical direction through the plurality of interlayer dielectric layers and the plurality to of gate patterns, a gate insulating layer being between each gate pattern and the vertical channel that insulates the gate pattern from the vertical channel.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: August 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Son, Jong-Wook Lee