Patents by Inventor Soo-Min Lee

Soo-Min Lee 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: 20190068145
    Abstract: A signal amplifier includes a first amplifier, a second amplifier, and an output. The first amplifier amplifies a first input signal to form a first amplified output signal. The first input signal has a common mode voltage in a first voltage range, and the first amplified output signal has a common mode voltage in a second voltage range different from the first voltage range. The second amplifier amplifies a second input signal to form a second amplified output signal. The first input signal has the common mode voltage in the second voltage range and the second amplified output signal has the common mode voltage in the second voltage range. The output outputs the first amplified output signal or the second amplified output signal as an amplified output signal.
    Type: Application
    Filed: May 9, 2018
    Publication date: February 28, 2019
    Inventor: Soo Min LEE
  • Publication number: 20190056439
    Abstract: The present invention relates to an apparatus for measuring low frequency noise having shielding characteristics, and enhance the accuracy of measurement of low frequency noise of a sample by blocking the flow of electromagnetic waves in the gap between the chamber and the door.
    Type: Application
    Filed: July 13, 2017
    Publication date: February 21, 2019
    Applicant: KOREA SENSOR LAB CO., LTD.
    Inventor: Soo Min LEE
  • Patent number: 10208195
    Abstract: The present invention relates to a polypropylene resin composition and a cable cladded with the same. More particularly, the present invention relates to a polypropylene resin composition, including 25 to 35% by weight of a polypropylene polymer, 15 to 25% by weight of a styrene block copolymer, 15 to 25% by weight of a poly(arylene ether) resin, 26 to 35% by weight of a phosphorus flame retardant, and 0 to 10% by weight of a processing additive. In accordance with the present invention, a polypropylene resin composition including a small amount of flame retardant but exhibiting excellent flame resistance, insulation performance, processability, and property balance, and a cable cladded with the same are provided.
    Type: Grant
    Filed: June 12, 2016
    Date of Patent: February 19, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Byung Wook Lee, Gun Ko, Soo Min Lee, Sang Wook Na
  • Publication number: 20190031823
    Abstract: The present invention relates to a polyester resin composition and a molded article produced therefrom. The polyester resin composition includes: about 80 wt % to about 98 wt % of a polybutylene terephthalate resin; about 0.1 wt % to about 5 wt % of a carbodiimide-based compound; about 0.1 wt % to about 5 wt % of a nucleating agent; and about 0.5 wt % to about 15 wt % of an inorganic filler having a non-spherical or non-circular cross-section.
    Type: Application
    Filed: July 30, 2018
    Publication date: January 31, 2019
    Inventors: Seung Yeon LEE, Jong Su KIM, Jung Hwan LEE, Jung Won KIM, Yi Seul JEON, Min Cheol SHIN, Soo Min LEE
  • Patent number: 10171274
    Abstract: A data transmission and reception system may include: a data transmission apparatus configured to generate N Tx signals having discrete levels using N binary data, and output the N Tx signals to N single-ended signal lines, respectively, where N is a natural number equal to or larger than 2; and a data reception apparatus configured to receive the N Tx signals transmitted in parallel through the single-ended signal lines, and restore the N binary data by comparing the received N Tx signals to each other.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 1, 2019
    Assignees: SK HYNIX INC., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hong June Park, Soo Min Lee, Yong Ju Kim, Hae Kang Jung
  • Publication number: 20180176126
    Abstract: A data transmission and reception system may include: a data transmission apparatus configured to generate N Tx signals having discrete levels using N binary data, and output the N Tx signals to N single-ended signal lines, respectively, where N is a natural number equal to or larger than 2; and a data reception apparatus configured to receive the N Tx signals transmitted in parallel through the single-ended signal lines, and restore the N binary data by comparing the received N Tx signals to each other.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 21, 2018
    Inventors: Hong June PARK, Soo Min LEE, Yong Ju KIM, Hae Kang JUNG
  • Patent number: 9944792
    Abstract: A modified poly(arylene ether) resin composition includes a mixed resin that includes a poly(arylene ether) resin, a styrene-based resin and a polyolefin resin; a flame retardant; and mineral oil. A weight-average molecular weight of the mineral oil is 460 to 1,000 g/mol. A wire is manufactured using the modified poly(arylene ether) resin composition.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: April 17, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Jong Kuk Choi, Sang Ho Lee, Nam Jib Park, Soo Min Lee, Sung Ho Lee
  • Patent number: 9890282
    Abstract: Disclosed are a flame retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering flame retardancy of the resin composition, and an electric wire comprising the same. The flame retardant thermoplastic resin composition comprises a matrix resin that comprises 20% to 40% by weight of a poly arylene ether resin, 20% to 40% by weight of a vinyl aromatic resin and 5% to 17% by weight of a polypropylene resin comprising a rubber ingredient, and 10% to 30% by weight of a flame retardant, based on a total weight of the resin composition.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: February 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Soo Min Lee, Jong Kuk Choi, Sung Ho Lee, Eung Soo Kim, Sang Ho Lee, Nam Jib Park
  • Publication number: 20180002523
    Abstract: The present invention relates to a non-halogen thermoplastic resin composition and a cable including the same. More particularly, the present invention provides a non-halogen thermoplastic resin composition in which a halogen-based flame retardant causing environmental and human health problems is not included and the content of a phosphorus flame retardant causing decrease in appearance and properties is decreased, but which has identical or superior mechanical strength, chemical resistance, heat resistance, and flame retardancy, compared to existing thermoplastic resin compositions, and a cable including the same.
    Type: Application
    Filed: November 24, 2016
    Publication date: January 4, 2018
    Inventors: Gun KO, Sung Hwan LIM, Byung Wook LEE, Soo Min LEE, Sang Wook NA, Sung Moon CHOI
  • Patent number: 9856420
    Abstract: Disclosed are a polyolefin-based flame retardant resin composition and a molded product. The present invention relates to a polyolefin-based flame retardant resin composition satisfying flame retardancy (particularly, UL94V V-0, V-1, and V-2 grades, an auto ignition property of 15 seconds or less, and eco-friendly flame retardancy), improved extrusion properties, a melt index, tensile elongation, or appearance quality required in use of extruded tube molds and the like for insulation and wiring in electrical and electronic products, and vehicles using a particular phosphate-based flame retardant, and a molded product manufactured from the composition are disclosed.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: January 2, 2018
    Assignee: LG CHEM. LTD.
    Inventors: Hong Jin Kim, Eung Soo Kim, Jong Su Kim, Soo Min Lee, Yoon Young Kim
  • Patent number: 9822252
    Abstract: Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: November 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung Hwan Lim, Jong Kuk Choi, Sang Ho Lee, Nam Jib Park, Soo Min Lee, Sung Ho Lee
  • Publication number: 20170306175
    Abstract: The present invention relates to a poly(arylene ether) resin composition and a cable coated with the same. More particularly, the present invention relates to a poly(arylene ether) resin composition, including 20 to 40% by weight of a poly(arylene ether) resin, 15 to 35% by weight of a low-molecular weight styrene-based block copolymer having a weight-average molecular weight of 90,000 g/mol or less, 10 to 30% by weight of a high-molecular weight styrene-based block copolymer having a weight-average molecular weight of 95,000 g/mol or more, 1 to 20% by weight of a flame retardant, and 0 to 20% by weight of an additive. In accordance with the present invention, a poly(arylene ether) resin composition having superior flame retardancy, tensile strength, flexibility, extrusion processability, elongation, and appearance characteristics and a cable coated with the same are provided.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 26, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Sung Hwan LIM, Nam Jib PARK, Gun KO, Soo Min LEE, Sang Wook NA, Byung Wook LEE
  • Publication number: 20170292015
    Abstract: The present invention relates to a polypropylene resin composition and a cable cladded with the same. More particularly, the present invention relates to a polypropylene resin composition, including 25 to 35% by weight of a polypropylene polymer, 15 to 25% by weight of a styrene block copolymer, 15 to 25% by weight of a poly(arylene ether) resin, 26 to 35% by weight of a phosphorus flame retardant, and 0 to 10% by weight of a processing additive. In accordance with the present invention, a polypropylene resin composition including a small amount of flame retardant but exhibiting excellent flame resistance, insulation performance, processability, and property balance, and a cable cladded with the same are provided.
    Type: Application
    Filed: June 12, 2016
    Publication date: October 12, 2017
    Inventors: Sung Hwan LIM, Byung Wook LEE, Gun KO, Soo Min LEE, Sang Wook NA
  • Patent number: 9788383
    Abstract: Embodiments provide a lighting apparatus including a light source unit including a first light source and a second light source, a light source driving unit including a first driver configured to supply first supply current to the first light source and a second driver configured to supply second supply current to the second light source, and a controller configured to control the first driver so as to vary the level of the first supply current and to control the second driver so as to fix the level of the second supply current.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 10, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Gwui Youn Park, Myeong Jeong Kim, Soo Min Lee, Yu Won Lee
  • Publication number: 20170198140
    Abstract: The present invention relates to a modified poly(arylene ether) resin composition. More particularly, the present invention relates to a modified poly(arylene ether) resin composition including 10 to 40% by weight of a poly(arylene ether) resin, 30 to 70% by weight of a polyamide resin, 1 to 20% by weight of a polyolefin based resin, 1 to 10% by weight of a compatibilizer, and 1 to 20% by weight of an impact modifier, and a molded article manufactured using the same. The modified poly(arylene ether) resin composition according to the present invention exhibits reduction of property change due to moisture and provides low specific gravity and superior impact strength, heat resistance, and property balance.
    Type: Application
    Filed: February 12, 2016
    Publication date: July 13, 2017
    Inventors: Nam Jib PARK, Sang Ho LEE, Se Yeong JU, Soo Min LEE, Song Kuk CHOI, Sung Ho LEE
  • Patent number: 9670361
    Abstract: Disclosed are a halogen-based flame retardant glass fiber reinforced polyamide resin composition and a method of preparing the same. A halogen-based flame retardant glass fiber reinforced polyamide resin composition comprising styrene-maleimide based copolymer having a high thermal decomposition temperature to secure flame retardancy and appearance required in electric and electronic components and a method of preparing the same are provided.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 6, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Mi Ah Lee, Sang Rock Lee, Jong Chan Lee, Soo Min Lee, Bong Taek Kang, Jae Kyung Yang
  • Patent number: 9631091
    Abstract: Disclosed are a flame retardant poly(arylene ether) resin composition and a flame retardant non-crosslinked cable. According to the present invention, provided are a flame retardant poly(arylene ether) resin composition to provide flexibility, flame retardancy, productivity, extrusion processability, etc. while maintaining heat resistance, and a flame retardant non-crosslinked cable manufactured using the composition.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: April 25, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung Hwan Lim, Nam Jib Park, Sang Ho Lee, Soo Min Lee, Jong Kuk Choi, Sang Wook Na
  • Publication number: 20170085466
    Abstract: A data transmission and reception system may include: a data transmission apparatus configured to generate N Tx signals having discrete levels using N binary data, and output the N Tx signals to N single-ended signal lines, respectively, where N is a natural number equal to or larger than 2; and a data reception apparatus configured to receive the N Tx signals transmitted in parallel through the single-ended signal lines, and restore the N binary data by comparing the received N Tx signals to each other.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 23, 2017
    Inventors: Hong June PARK, Soo MIn LEE, Yong Ju KIM, Hae Kang JUNG
  • Publication number: 20160369097
    Abstract: Disclosed are a halogen-based flame retardant glass fiber reinforced polyamide resin composition and a method of preparing the same. A halogen-based flame retardant glass fiber reinforced polyamide resin composition comprising styrene-maleimide based copolymer having a high thermal decomposition temperature to secure flame retardancy and appearance required in electric and electronic components and a method of preparing the same are provided.
    Type: Application
    Filed: December 10, 2014
    Publication date: December 22, 2016
    Inventors: Mi Ah LEE, Sang Rock LEE, Jong Chan LEE, Soo Min LEE, Bong Taek KANG, Jae Kyung YANG
  • Publication number: 20160362551
    Abstract: A modified poly(arylene ether) resin composition includes a mixed resin that includes a poly(arylene ether) resin, a styrene-based resin and a polyolefin resin; a flame retardant; and mineral oil. A weight-average molecular weight of the mineral oil is 460 to 1,000 g/mol. A wire is manufactured using the modified poly(arylene ether) resin composition.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 15, 2016
    Inventors: Sung Hwan LIM, Jong Kuk CHOI, Sang Ho LEE, Nam Jib PARK, Soo Min LEE, Sung Ho LEE