Patents by Inventor Hyung Hwan An

Hyung Hwan 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).

  • Publication number: 20160168775
    Abstract: Provided are a washing machine motor including: an outer shaft connected to a washing tub; an inner shaft rotatably disposed inside the outer shaft and connected to a pulsator; an inner rotor connected to the outer shaft; an outer rotor connected to the inner shaft; a stator disposed between the inner rotor and the outer rotor with an air gap; and a planetary gear set mounted on the inner shaft so as to reduce a rotational speed. The washing machine motor includes the planetary gear set which increases a torque by reducing a rotational speed in the inner shaft connected to the pulsator to thereby allow implementation of a large-capacity washing machine.
    Type: Application
    Filed: July 18, 2014
    Publication date: June 16, 2016
    Inventors: Byung Soo KIM, Hyung Hwan KO
  • Publication number: 20160156255
    Abstract: A double stator includes: a stator core; a bobbin wrapped on an outer circumferential surface of the stator core; and a first coil wound on one side of the stator core and a second coil wound on the other side of the stator core. The stator core comprises: a lamination type core portion formed by laminating a plurality of iron pieces, on an outer surface of which a first press-fit groove is formed, and on an inner surface of which a second press-fit groove is formed; a first integration type core portion fixed to the first press-fit groove of the lamination type core portion, integrally formed by metal powders, and on which a first coil is wound; and a second integration type core portion fixed to the second press-fit groove of the lamination type core portion, integrally formed by metal powders, and on which a second coil is wound.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Inventors: Byung Soo KIM, Hak Rok KIM, Hyung Hwan KO
  • Publication number: 20150318805
    Abstract: A motor driving apparatus for a washing machine, in which a motor is a washing machine motor with a double stator and a double rotor respectively having first and second U-phase, V-phase, and W-phase stator coils, includes: a motor controller for generating a drive signal in accordance with a washing mode, a rinsing mode and a dewatering mode; an inverter for generating a three-phase alternating-current (AC) power, in which any one-phase AC power of the three-phase AC power is applied in common to any one-phase stator coil of the first and second U-phase, V-phase, and W-phase stator coils for the washing machine motor; and a switching unit for switching to apply the remaining two-phase AC power of the three-phase AC power to any two-phase stator coils of the remaining two-phase stator coils of the first and second U-phase, V-phase, and W-phase stator coils for the washing machine motor.
    Type: Application
    Filed: July 14, 2015
    Publication date: November 5, 2015
    Inventors: Byung Soo KIM, Hyung Hwan KO
  • Publication number: 20150303780
    Abstract: Provided are a stator having a three-coil wiring structure, a BLDC motor using the same, and a driving method thereof, in which coils are wound by using a three-coil wiring method, to thus minimize a ratio between slots and poles, and to thereby reduce cogging noise, and a gap between cores is set small, to thus increase an effective area between a magnet and a core and to thereby reduce leakage magnetic flux. The BLDC motor includes: a stator having a plurality of split cores that are disposed between an inner rotor and an outer rotor, and on which coils of three phases are connected and wound in a three-phase drive method, in which the plurality of split cores include a number of core groups in which the coils of the respective phases are wound on three consecutive split cores in sequence of a forward direction, a reverse direction, and a forward direction, and the three consecutive split cores generate magnetic flux in opposite directions to each other.
    Type: Application
    Filed: March 29, 2013
    Publication date: October 22, 2015
    Inventors: Byung Soo Kim, Se Ki Lee, Hyung Hwan Ko, Seong Cheol Park
  • Patent number: 9112897
    Abstract: A system comprises an end-user device including a browser and a security component capable of executing a security policy, the security policy to be downloaded from a website; and a website including a security policy downloadable to the security component.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: August 18, 2015
    Assignee: Advanced Network Technology Laboratories Pte Ltd.
    Inventors: Wee Tuck Teo, Teck Kang Toh, Hyung Hwan Chung
  • Publication number: 20150194852
    Abstract: A single rotor type motor includes: a stator including a plurality of stator cores that are divided in a plural number and radially arranged, a bobbin made of an insulating material and wrapped on an outer surface of each of the stator cores, and coils wound on an outer surface of the bobbin; and a single rotor disposed with a certain gap from any one surface of an inner surface of the stator and an outer surface thereof, wherein a wiring unit for electrically wiring coils wound on each stator core is integrally formed with the bobbin, and the wiring unit is arranged at an opposing end to an end facing the rotor of the stator core.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 9, 2015
    Inventors: Byung Soo KIM, Hyung Hwan KO
  • Publication number: 20150188378
    Abstract: A single rotor type motor includes: a stator including a plurality of stator cores that are split and radially arranged, a bobbin made of an insulating material and wrapped on an outer surface of each of the stator cores, coils wound on an outer surface of the bobbin, an upper fixing plate disposed on the upper surfaces of the stator cores and on which the stator cores are radially arranged, and a lower fixing plate that is disposed on the lower surfaces of the stator cores and is coupled with the upper fixing plate; and a single rotor disposed with a certain gap from any one surface of an inner surface of the stator and an outer surface thereof The plurality of wiring units for electrically connecting between the coils wound around each of the stator cores are formed integrally on the upper surface of the upper fixing plate.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 2, 2015
    Inventors: Byung Soo KIM, Hyung Hwan KO
  • Patent number: 9029273
    Abstract: A method for forming a silicon oxide film of a semiconductor device is disclosed. The method of forming the silicon oxide film of the semiconductor device includes performing surface processing using an amine-based compound, so that the uniformity and density of the silicon oxide film may be improved.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 12, 2015
    Assignees: SK Hynix Inc.
    Inventors: Hyung Soon Park, Kwon Hong, Jong Min Lee, Hyung Hwan Kim, Ji Hye Han, Geun Su Lee
  • Patent number: 8975132
    Abstract: A semiconductor device with an isolation layer buried in a trench includes an interface layer formed on the surface of the trench, a buffer layer formed in the interface layer at a bottom corner of the trench, a liner layer formed over the interface layer, and a gap-fill layer gap-filling the trench over the liner layer. The trench includes a micro-trench formed at the bottom corner thereof, and the buffer layer fills the micro-trench.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 10, 2015
    Assignee: SK Hynix Inc.
    Inventors: Hyung-Hwan Kim, Bong-Ho Choi, Jin-Yul Lee, Seung-Seok Pyo
  • Patent number: 8941157
    Abstract: A semiconductor device includes a plurality of first conductive patterns separated by a damascene pattern, a second conductive pattern buried in the damascene pattern, and a spacer including an air gap between the second conductive pattern and the first conductive patterns.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: January 27, 2015
    Assignee: SK Hynix Inc.
    Inventors: Hyung-Hwan Kim, Seong-Su Lim, Sung-Eun Park, Seung-Seok Pyo, Min-Cheol Kang
  • Publication number: 20140302663
    Abstract: A semiconductor device with an isolation layer buried in a trench includes an interface layer formed on the surface of the trench, a buffer layer formed in the interface layer at a bottom corner of the trench, a liner layer formed over the interface layer, and a gap-fill layer gap-filling the trench over the liner layer. The trench includes a micro-trench formed at the bottom corner thereof, and the buffer layer fills the micro-trench.
    Type: Application
    Filed: June 18, 2014
    Publication date: October 9, 2014
    Inventors: Hyung-Hwan KIM, Bong-Ho CHOI, Jin-Yul LEE, Seung-Seok PYO
  • Publication number: 20140303256
    Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of blood-brain barrier disorder comprising fluoxetine as an active ingredient. More particularly, fluoxetine inhibits the expressions of matrix metalloproteinase(MMP)-2, MMP-9, and MMP-12, which are reported to be related to blood-brain barrier (BBB) disruption and inflammatory reaction after spinal cord injury, specifically inhibits the activations of MMP-2 and MMP-9, inhibits the decomposition of ZO-1, the most representative tight junction protein, so as to maintain tight junction between endothelial cells and to protect blood-brain barrier thereby, inhibits the increase of blood-brain barrier permeability, and inhibits the expressions of chemoattractants of blood cells, such as CXCL-1, CXCL-2, CCL-2, CCL-3 and CCL-4 so as to reduce inflow of blood into spinal cord and recover exercise function which has been deteriorated by spinal cord injury.
    Type: Application
    Filed: October 19, 2012
    Publication date: October 9, 2014
    Applicant: UNIVERSITY INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Tae Young Yune, Tae Hwan Oh, Hyung Hwan Baik, Jee Youn Lee
  • Patent number: 8841198
    Abstract: An isolation layer of a semiconductor device and a process for forming the same is described herein. The isolation layer includes a trench that is defined and formed in a semiconductor substrate. A first liner nitride layer is formed on the surface of the trench and a flowable insulation layer is formed in the trench including the first liner nitride layer. The flowable insulation layer is formed such to define a recess in the trench. A second liner nitride layer is formed on the recess including the flowable insulation layer and the first liner nitride layer. Finally, an insulation layer is formed in the recess on the second liner nitride layer to completely fill the trench.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: September 23, 2014
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hyung Hwan Kim, Kwang Kee Chae, Jong Goo Jung, Ok Min Moon, Young Bang Lee, Sung Eun Park
  • Publication number: 20140217545
    Abstract: A semiconductor device includes a plurality of first conductive patterns separated by a damascene pattern, a second conductive pattern buried in the damascene pattern, and a spacer including an air gap between the second conductive pattern and the first conductive patterns.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: SK hynix Inc.
    Inventors: Hyung-Hwan KIM, Seong-Su LIM, Sung-Eun PARK, Seung-Seok PYO, Min-Cheol KANG
  • Patent number: 8786047
    Abstract: A semiconductor device with an isolation layer buried in a trench includes an interface layer formed on the surface of the trench, a buffer layer formed in the interface layer at a bottom corner of the trench, a liner layer formed over the interface layer, and a gap-fill layer gap-filling the trench over the liner layer. The trench includes a micro-trench formed at the bottom corner thereof, and the buffer layer fills the micro-trench.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: July 22, 2014
    Assignee: SK Hynix Inc.
    Inventors: Hyung-Hwan Kim, Bong-Ho Choi, Jin-Yul Lee, Seung-Seok Pyo
  • Publication number: 20140179118
    Abstract: A surface treatment method for a semiconductor device includes providing a substrate where a plurality of projected patterns are formed, forming a hydrophobic coating layer on a surface of each of the plurality of projected patterns, rinsing the substrate with deionized water, and drying the substrate, wherein the hydrophobic coating layer is formed using a coating agent that includes phosphate having more than one hydrocarbon group, phosphonate having more than one hydrocarbon group, or a mixture thereof.
    Type: Application
    Filed: March 15, 2013
    Publication date: June 26, 2014
    Applicant: SK hynix Inc.
    Inventors: Sung-Hyuk CHO, Hyo-Sang KANG, Sung-Ki PARK, Kwon HONG, Hyung-Soon PARK, Hyung-Hwan KIM, Young-Bang LEE, Ji-Hye HAN, Tae-Yeon JUNG, Hyeong-Jin NOR
  • Patent number: 8697525
    Abstract: A semiconductor device includes a plurality of first conductive patterns separated by a damascene pattern, a second conductive pattern buried in the damascene pattern, and a spacer including an air gap between the second conductive pattern and the first conductive patterns.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: April 15, 2014
    Assignee: SK Hynix Inc.
    Inventors: Hyung-Hwan Kim, Seong-Su Lim, Sung-Eun Park, Seung-Seok Pyo, Min-Cheol Kang
  • Publication number: 20140057458
    Abstract: A method for forming a silicon oxide film of a semiconductor device is disclosed. The method of forming the silicon oxide film of the semiconductor device includes performing surface processing using an amine-based compound, so that the uniformity and density of the silicon oxide film may be improved.
    Type: Application
    Filed: March 15, 2013
    Publication date: February 27, 2014
    Applicant: SK HYNIX INC.
    Inventors: Hyung Soon PARK, Kwon HONG, Jong Min LEE, Hyung Hwan KIM, Ji Hye HAN, Geun Su LEE
  • Publication number: 20140007933
    Abstract: Disclosed are a thin film solar cell and a method of manufacturing the thin film solar cell. The thin film solar cell according to an exemplary embodiment of the present invention thin film solar cell includes a substrate: a front electrode layer formed on the substrate; an oxide layer formed on the front electrode layer: a light absorbing layer (intrinsic layer) formed on the oxide layer; and a back electrode layer formed on the light absorbing layer, wherein the oxide layer is formed of a material selected from MoO2, WO2, V2O5, NiO and CrO3.
    Type: Application
    Filed: August 10, 2012
    Publication date: January 9, 2014
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Seoung Yoon RYU, Dong Ho KIM, Kee Seok NAM, Yong Soo JEONG, Jung Dae KWON, Sung Hun LEE, Jung Heum YUN, Gun Hwan LEE, Hyung Hwan JUNG, Sung Gyu PARK, Chang Su KIM, Jae Wook KANG, Keong Su LIM, Sang II PARK
  • Publication number: 20140011314
    Abstract: Disclosed are a thin film solar cell and a method of manufacturing the thin film solar cell. The thin film solar cell according to an exemplary embodiment of the present invention thin film solar cell includes a substrate: a front electrode layer formed on the substrate; an oxide layer formed on the front electrode layer: a light absorbing layer (intrinsic layer) formed on the oxide layer; and a back electrode layer formed on the light absorbing layer, wherein the oxide layer is formed of a material selected from MoO3, WO3, V2O5, NiO and CrO3.
    Type: Application
    Filed: August 9, 2013
    Publication date: January 9, 2014
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Seoung Yoon Ryu, Dong Ho Kim, Kee Seok Nam, Yong Soo Jeong, Jung Dae Kwon, Sung Hun Lee, Jung Heum Yun, Gun Hwan Lee, Hyung Hwan Jung, Sung Gyu Park, Chang Su Kim, Jae Wook Kang, Koeng Su Lim, Sang Il Park