Patents by Inventor Hyun Ho Oh

Hyun Ho 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).

  • Publication number: 20250083371
    Abstract: Provided is a method for preparing a recycled ABS resin, and the method for preparing a recycled ABS resin includes: preparing an extrusion feed including an acrylonitrile butadiene styrene (ABS) base resin including polyurethane, a metal carboxylic acid salt, and a polyhydric alcohol; and supplying the extrusion feed to an extruder to perform a depolymerization reaction of the polyurethane and extruding the extrusion feed.
    Type: Application
    Filed: February 16, 2023
    Publication date: March 13, 2025
    Applicant: LG CHEM, LTD.
    Inventors: Sang Ho LEE, Hyun Taek OH, Seong Beom HEO, Gyo Hee KIM, Seon Cheol CHA, Seo Hwa KIM, Yeong Min KIM, Sang Cheol SHIN
  • Publication number: 20250073742
    Abstract: Provided is a control device and a substrate processing apparatus including the same. The substrate processing apparatus includes a support unit configured to support and rotate a first substrate, the support unit including a spin chuck, a spray unit configured to spray a processing fluid on the first substrate, a correction unit on a swing arm and configured to irradiate a beam onto the first substrate when the processing fluid is provided on the first substrate, wherein the swing arm is adjacent to the spin chuck and is configured to move the correction unit to a target point on the first substrate, and a controller configured to control the spin chuck and the swing arm, and correct a position error of the swing arm using a second substrate, wherein a plurality of anchor patterns are on the second substrate.
    Type: Application
    Filed: July 10, 2024
    Publication date: March 6, 2025
    Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
  • Publication number: 20250075050
    Abstract: A method for preparing a recycled polymer is provided. The method includes: bringing a recovered polymer containing an additive into contact with an impregnation solvent in an impregnation tank to obtain a slurry containing a swollen polymer and an eluate; separating the slurry into a solid mixture containing the swollen polymer and a liquid mixture containing the eluate in a solid-liquid separator; and obtaining a recycled polymer from the solid mixture and recovering the additive from the liquid mixture, wherein the impregnation solvent is a mixed solvent of two or more solvents.
    Type: Application
    Filed: July 24, 2023
    Publication date: March 6, 2025
    Inventors: Sang Ho Lee, Jong Suh Park, Hyun Taek Oh, Do Dam Kim, Jue Hyung Kang, Jun Sik Kim, Jin Sook Ryu, Seon Cheol Cha
  • Patent number: 12244023
    Abstract: A pouch-type battery case according to an embodiment of the present invention can include a cup part configured to accommodate an electrode assembly of stacked electrodes and separators. The cup part comprises a plurality of outer walls forming a periphery of the cup part, and a plurality of die edges connecting the plurality of outer walls to a side or degassing part. At least one of the die edges can be rounded to define a curvature radius of 1 mm or less. The cup part can have a depth of 6.5 mm or less.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: March 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Se Young Oh, Jeong Min Ha, Geun Hee Kim, Hyun Beom Kim, Hyung Ho Kwon
  • Publication number: 20250065360
    Abstract: A control device and a substrate processing apparatus including the same are provided. The substrate processing apparatus includes: a support unit including a spin head and configured to support and to rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a correction unit in a swing arm, the correction unit configured to move to a target point on the substrate and to irradiate a beam when the processing liquid is sprayed onto the substrate; and a control unit configured to calculate the target point, wherein the control unit is configured to convert image coordinates associated with a first coordinate system and then to calculate the target point by converting the image coordinates associated with the first coordinate system into image coordinates associated with a second coordinate system, and the second coordinate system is based on rotation angles of the spin head and the swing arm.
    Type: Application
    Filed: July 10, 2024
    Publication date: February 27, 2025
    Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
  • Patent number: 12206177
    Abstract: An operation method of a first communication node may comprise: receiving one or more polarized radio signals transmitted from a second communication node included in the communication system through one or more receive polarized antennas included in the first communication node; performing a receive polarized antenna alignment state adjustment operation so that a detection result for a magnitude of an electric field excited by the one or more polarized radio signals is maximized; and receiving a first polarized signal transmitted from the second communication node through at least part of the one or more receive polarized antennas based on a result of the receive polarized antenna alignment state adjustment operation.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: January 21, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Hoon Oh, Jang Yeol Kim, Jae Ho Lee, Hyun Joon Lee, In Kui Cho
  • Patent number: 8206309
    Abstract: The blood pressure monitoring apparatus and method are disclosed that can monitor a blood pressure of a subject using an electrocardiogram signal, a pulse wave signal and a body characteristic information of the subject, wherein the electrocardiogram signal and the pulse wave signal of the subject are monitored to remove a noise signal generated from monitoring of the pulse wave signal, allowing monitoring a precise blood pressure of the subject, and calculating the pulse wave analysis information using the monitored pulse wave signal, and using the electrocardiogram signal and the pulse wave signal to calculate a pulse transit time (PPT), and plugging a calculated pulse wave propagation time, pulse wave analysis information and body characteristic information of the subject into a predetermined regression equation to monitor the blood pressure.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: June 26, 2012
    Assignee: LG Electronics Inc.
    Inventors: Hyun Ho Oh, Bong Chu Shim, Youn Jae Lee, Kwy Ro Lee, Seong Moon Cho, Hyung Ki Hong
  • Patent number: 7731665
    Abstract: An apparatus and method for precisely measuring various biological information of a user's body by using a single measuring apparatus enable precisely and effectively measuring biological information including body fat, pulse and a blood vessel aging degree. By measuring an infrared absorbance or infrared rays irradiated to a measurement target according to a modulation and tuning method and obtaining the information with reference to supplementary biological information obtained from a user, the plurality of biological information can be precisely measured at a low driving voltage through the modulation and tuning method by using a single infrared light source. Also, the measuring apparatus can be reduced in size by simplifying its construction and can be effectively integrated into various device.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: June 8, 2010
    Assignee: LG Electronics, Inc.
    Inventors: Kwy-Ro Lee, Hyun-Ho Oh, Min-Jae Jung, Hyung-Ki Hong, Seong-Moon Cho, Youn-Jae Lee
  • Publication number: 20090100847
    Abstract: The ice maker for refrigerator and driving method thereof disclosed herein have advantages over a full ice level detection method using mechanical device in that an ice height can be more accurately detected by a detection signal reflected from ice, wherein an ultrasonic signal is transmitted to the ice to sense the height of ice in the ice storage bin using the reflected ultrasonic signal, enabling to precisely detect the ice height, prevent the overflow of ice, prolong the life and prevent the failure of the ice maker for refrigerator.
    Type: Application
    Filed: October 22, 2008
    Publication date: April 23, 2009
    Inventors: Kyung Hee MOON, Hyun Ho OH, Moo Sub KIM
  • Publication number: 20080249382
    Abstract: The blood pressure monitoring apparatus and method are disclosed that can monitor a blood pressure of a subject using an electrocardiogram signal, a pulse wave signal and a body characteristic information of the subject, wherein the electrocardiogram signal and the pulse wave signal of the subject are monitored to remove a noise signal generated from monitoring of the pulse wave signal, allowing monitoring a precise blood pressure of the subject, and calculating the pulse wave analysis information using the monitored pulse wave signal, and using the electrocardiogram signal and the pulse wave signal to calculate a pulse transit time (PPT), and plugging a calculated pulse wave propagation time, pulse wave analysis information and body characteristic information of the subject into a predetermined regression equation to monitor the blood pressure.
    Type: Application
    Filed: April 4, 2008
    Publication date: October 9, 2008
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyun-Ho OH, Bong-Chu SHIM, Youn-Jae LEE, Kwy-Ro LEE, Seong-Moon CHO, Hyung-Ki HONG
  • Publication number: 20080214942
    Abstract: Disclosed are an apparatus and method for measuring a blood pressure capable of enhancing accuracy and reliability for a blood pressure. According to the apparatus and method, a blood pressure is obtained by using a pulse transit time (PTT) calculated based on a pulse wave measured with a minimized error, a subject's body information, pulse analysis information, and environment information together measured when measuring the pulse wave.
    Type: Application
    Filed: February 7, 2008
    Publication date: September 4, 2008
    Applicant: LG Electronics Inc.
    Inventors: Hyun-Ho OH, Bong-Chu Shim, Gyoung-Soo Kim, Yun-Hee Ku, Seong-Moon Cho, Hyung-Ki Hong
  • Patent number: 7356235
    Abstract: A light guide plate for a surface light-emitting device and a method of manufacturing the same are disclosed wherein the light guide plate is constructed in the form of an optical waveguide including an upper cladding film, core films formed with V-cut grooves, and a lower cladding film, so that since the upper and lower cladding films with a relatively low refractive index are respectively located on upper and lower surfaces of the core films, external foreign substances cannot penetrate into the core films, and the core films are not brought into contact with other components, whereby optical transmission properties are not changed and brightness can be also enhanced, and since the V-cut grooves are formed or both the V-cut grooves and optical waveguides are formed at the same time by means of a simple hot embossing process, the manufacturing costs can be saved.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: April 8, 2008
    Assignee: LG Electronics Inc.
    Inventors: Chul Chae Choi, Min Soo Noh, Hyun Ho Oh, Chan Ho Park
  • Publication number: 20070078310
    Abstract: An apparatus and method for precisely measuring various biological information of a user's body by using a single measuring apparatus enable precisely and effectively measuring biological information including body fat, pulse and a blood vessel aging degree. By measuring an infrared absorbance or infrared rays irradiated to a measurement target according to a modulation and tuning method and obtaining the information with reference to supplementary biological information obtained from a user, the plurality of biological information can be precisely measured at a low driving voltage through the modulation and tuning method by using a single infrared light source. Also, the measuring apparatus can be reduced in size by simplifying its construction and can be effectively integrated into various device.
    Type: Application
    Filed: September 5, 2006
    Publication date: April 5, 2007
    Inventors: Kwy-Ro Lee, Hyun-Ho Oh, Min-Jae Jung, Hyung-Ki Hong, Seong-Moon Cho, Youn-Jae Lee
  • Patent number: 7036377
    Abstract: An apparatus for calculating vibration displacement of a vibrator according to one aspect of the present invention includes a mirror attached to a predetermined portion of a vibrator; a light emitting unit installed at a predetermined position spaced apart from the mirror and irradiating light on the mirror; a light receiving unit installed side by side with the light emitting unit, receiving light reflected by the mirror and generating an output voltage corresponding to the amount of the receiving light; and a vibration displacement calculating unit for calculating vibration displacement of the vibrator based on the generated output voltage.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: May 2, 2006
    Assignee: LG Electronics Inc.
    Inventors: Hyun Ho Oh, Seong A Kim
  • Publication number: 20030133643
    Abstract: Disclosed is an optical switch which increases a transmission rate without using a mechanical driving method and does not generate optical loss. To this end, in the optical switch, incident light beam from a plurality of input ports is propagated to a plurality of output ports as it is or the light beam is diffracted through a Bragg grating, and the diffracted light beam is propagated to the plurality of output ports.
    Type: Application
    Filed: January 9, 2003
    Publication date: July 17, 2003
    Applicant: LG Electronics Inc.
    Inventors: Hyun Ho Oh, Jong Uk Bu, Don Hee Lee
  • Publication number: 20030030885
    Abstract: A spatial light modulation array, which is capable of controlling the diffraction characteristic of light in each portion in a substrate, a method for manufacturing the same, and a laser display device, which is capable of displaying an image regardless of mechanical reliability using the spatial light modulator in the form of an array are provided. The laser display device includes a lens for converting a laser beam oscillated by a light source into a one-dimensional slit beam, a spatial light modulation array for determining the diffraction degree of the slit beam according to the voltage applied to the pixel electrodes, diffracting the slit beam, and delivering the slit beam, a blocking portion for selectively transmitting the diffracted beam, a condensing lens for condensing the selectively transmitted beam, and a scanner for scanning the condensed beam to a screen.
    Type: Application
    Filed: May 30, 2002
    Publication date: February 13, 2003
    Applicant: LG Electronics Inc.
    Inventors: Hyun-Ho Oh, Jong-Uk Bu, Don-Hee Lee