Patents by Inventor Dong Sung Seo

Dong Sung Seo 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: 20240404729
    Abstract: A grounding resistance and ground rod corrosion reducer that is capable of making use of montmorillonite, smectite, and vermiculite to apply antacid effect to acidified grounding environments, thereby decreasing a corrosion rate of a ground rod and providing an excellent grounding resistance reduction rate. The grounding resistance and ground rod corrosion reducer contains 50 to 75% by weight of a grounding resistance soil mixture made up of the montmorillonite, the smectite, and the vermiculite, 20 to 40% by weight of magnesium hydroxide, and 5 to 15% by weight of graphite, based on the total weight thereof.
    Type: Application
    Filed: November 22, 2023
    Publication date: December 5, 2024
    Inventors: Dong-Jin KIM, Wan-Sung KWON, Sang-Won SEO, Yong-Su KIM, Sung-Joon LEE, Jae-Sang YOO
  • Publication number: 20240355376
    Abstract: A voltage generation circuit includes a voltage generation unit configured to generate a reference voltage using a power supply voltage and output the reference voltage through a voltage output node. The voltage generation circuit also includes a pre-charge unit configured to drive the voltage output node using the power supply voltage in response to a pre-charge control signal. The voltage generation circuit further includes a pre-charge control unit configured to generate at least one sampling voltage using the power supply voltage and generate the pre-charge control signal according to a result obtained by comparing the at least one sampling voltage with the reference voltage.
    Type: Application
    Filed: August 23, 2023
    Publication date: October 24, 2024
    Applicant: SK hynix Inc.
    Inventors: Jae Hyeong HONG, In Seok KONG, Bon Kwang KOO, Gwan Woo KIM, Heon Ki KIM, Beom Kyu SEO, Keun Seon AHN, Soon Sung AN, Sung Hwa OK, Jung Yeop LEE, Ji Young LEE, Dong Wook JANG, Jun Seo JANG, Sun Ki CHO, Eun Ji CHOI
  • Publication number: 20240325281
    Abstract: Provided are a multilayer cleaning agent composition including a perfluorinated oil, a hydrophilic functional group-bonded fluorine-based additive, and a polyol, and a method of cleaning a fluorine-based reactive skin protectant using the same. The composition may rapidly and safely clean a reactive skin protectant including the fluorine-based component which is applied to skin for preventing a chemical agent from penetrating into the skin and decomposition products thereof, thereby cleanly removing residues.
    Type: Application
    Filed: March 22, 2024
    Publication date: October 3, 2024
    Inventors: Hae Eun JOE, Chang Hwan KIM, Dong Sung SEO, Sang Woong KIM, Young CHO
  • Patent number: 12105278
    Abstract: A spacer includes an outer circumferential surface in contact with a lens barrel, and an inner circumferential surface forming a hole for controlling an amount of light, a first length of the hole in a first direction, intersecting an optical axis, and a second length of the hole in a second direction, intersecting the optical axis, are different from each other, and a first distance from the outer circumferential surface to the inner circumferential surface, extended in the first direction, is less than a second distance from the outer circumferential surface to the inner circumferential surface, extended in the second direction.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: October 1, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Shin Yang, In Gun Kim, Sot Eum Seo, Ju Sung Park
  • Patent number: 12108135
    Abstract: A camera module includes a first lens module having a first lens barrel accommodating a first lens group, and a second lens module spaced apart from the first lens module in an optical axis direction, configured to be moveable in the optical axis direction, and having a second lens barrel accommodating a second lens group, the first lens barrel includes a first through-hole on one side and a first opening on the other side, the second lens barrel includes a second opening opposing the first opening on one side and a second through-hole on the other side, a diameter of the first opening is greater than a diameter of the first through-hole, and a diameter of the second opening is greater than a diameter of the second through-hole, and a light shielding member is disposed at one or more of the first opening and the second opening.
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: October 1, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Shin Yang, Sot Eum Seo, Ju Sung Park
  • Patent number: 12066596
    Abstract: A cover window includes a base layer; a first coating layer on the base layer; and a second coating layer on the first coating layer. The first coating layer directly contacts a first part of an upper surface of the base layer and exposes a second part of the upper surface of the base layer, the upper surface of the base layer consists of the first part and the second part, and the second coating layer directly contacts the second part of the upper surface of the base layer exposed by the first coating layer, and an upper surface of the first coating layer.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hyun Ko, Hyun Seung Seo, Dong Sung Lee, Yong Kyu Kang, Hui Yeon Shon, Hyun Kyung Yun
  • Publication number: 20240130952
    Abstract: Provided are the reactive topical skin protectant formulations including: water or moisture; plate-like inorganic particle powder; and one or more selected from the group consisting of a) liquid perfluoride, b) polyol, c) perfluorinated polymer powder, d) polysaccharides, e) liquid silicon-based material, and f) additives, and the reactive topical skin protectant formulations may provide an effect of safely protecting the skin from various lesions and risks occurring by liquid chemical agents or harmful toxic substances penetrating the human skin.
    Type: Application
    Filed: March 28, 2023
    Publication date: April 25, 2024
    Inventors: Hae Eun JOE, Chang Hwan KIM, Dong Sung SEO, Sang Woong KIM, Young CHO
  • Patent number: 11577642
    Abstract: A turn signal lamp for an outside mirror is disclosed. The turn signal lamp comprises a lens and a light source module coupled to one side of the lens. The light source module includes a printed circuit board (PCB), a PCB assembly including a light emitting diode (LED) disposed on the PCB to output light, and a light source module case configured to accommodate the PCB assembly in an internal space. The light source module case includes a recess formed horizontally along a circumference of a surface of the light source module case. The lens includes a lens protrusion in which a part of the lens protrudes in a shape corresponding to the recess. The lens protrusion is inserted into the recess to come into close contact with a front surface of the recess, so that the light source module and the lens are coupled to each other.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: February 14, 2023
    Assignee: SMR Automotive Modules Korea Ltd.
    Inventors: Jae Geun Lee, Sung Ho Jung, Dong Sung Seo
  • Publication number: 20220348133
    Abstract: A turn signal lamp for an outside mirror is disclosed. The turn signal lamp comprises a lens and a light source module coupled to one side of the lens. The light source module includes a printed circuit board (PCB), a PCB assembly including a light emitting diode (LED) disposed on the PCB to output light, and a light source module case configured to accommodate the PCB assembly in an internal space. The light source module case includes a recess formed horizontally along a circumference of a surface of the light source module case. The lens includes a lens protrusion in which a part of the lens protrudes in a shape corresponding to the recess. The lens protrusion is inserted into the recess to come into close contact with a front surface of the recess, so that the light source module and the lens are coupled to each other.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 3, 2022
    Inventors: Jae Geun LEE, Sung Ho JUNG, Dong Sung SEO
  • Publication number: 20140341956
    Abstract: Disclosed herein is a anti-UV composition for protecting the scalp. The anti-UV composition for protecting the scalp of the present invention includes a fermented broth of Outtuynia cordata, Perilla frutescens, and Camellia sinensis; a UV blocking agent; and a pigment in an effective amount, respectively, thereby enabling the blocking of UV rays via scattering, reflecting, and absorbing, thus preventing scalp damage and alopecia due to UV while helping to recover scalp health and thus promoting the expression of new hair.
    Type: Application
    Filed: May 19, 2014
    Publication date: November 20, 2014
    Applicants: LA CROIX CO., LTD.
    Inventors: Ki Ho BANG, Doo Kyung MOON, Dong Sung SEO
  • Patent number: 7976737
    Abstract: The present invention relates to solution type silver organo-sol ink for forming electrically conductive patterns. The present invention provides silver organo-sol ink of solution type for forming electrically conductive pattern comprising effective amount of silver aromatic carboxylate and a reactive organic solvents, which can form chelate or complex with silver, are, for example, organic solvents having keton, mercapto, carboxyl, aniline or sulfurous functional group, substituted or unsubstituted. By the present invention, silver organo-sol ink of solution type basically having higher content of silver is obtained. The solution type ink of the present invention can be used for forming conductive patterns in flat panel display such as plasma display panel(PDP) to reduce the numbers of steps for pattern forming drastically.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: July 12, 2011
    Assignee: Exax Inc.
    Inventors: Soon Yeong Heo, Dong Sung Seo, Eun Ji Lee, Hyun Myung Jang
  • Publication number: 20110005428
    Abstract: The present invention relates to solution type silver organo-sol ink for forming electrically conductive patterns. The present invention provides silver organo-sol ink of solution type for forming electrically conductive pattern comprising effective amount of silver aromatic carboxylate and a reactive organic solvents, which can form chelate or complex with silver, are, for example, organic solvents having keton, mercapto, carboxyl, aniline or sulfurous functional group, substituted or unsubstituted. By the present invention, silver organo-sol ink of solution type basically having higher content of silver is obtained. The solution type ink of the present invention can be used for forming conductive patterns in flat panel display such as plasma display panel(PDP) to reduce the numbers of steps for pattern forming drastically.
    Type: Application
    Filed: December 12, 2005
    Publication date: January 13, 2011
    Inventors: Soon Yeong Heo, Dong Sung Seo, Eun Ji Lee, Hyun Myung Jang
  • Publication number: 20090090273
    Abstract: The present invention relates to solution type silver organo-sol ink for forming electrically conductive patterns. The present invention provides silver organo-sol ink of solution type for forming electrically conductive pattern comprising effective amount of silver CO to C16 aliphatic carboxylate saturated or unsaturated, linear or branched, unsubstituted or substituted with amino, nitro and/or hydroxy group(s) having 1 to 3 carboxyl groups or silver aromatic carboxylate; and organic solvent. By the present invention, silver organo-sol inks of solution type basically having higher content of silver for various reducing or metallizing temperatures are obtained. The solution type ink of the present invention can be used for forming conductive patterns in flat panel display such as plasma display panel(PDP) to reduce the numbers of steps for pattern forming.
    Type: Application
    Filed: January 11, 2007
    Publication date: April 9, 2009
    Applicant: EXAX INC,
    Inventors: Soon Yeong Heo, Dong Sung Seo, Eun Ji Lee, Seung Jun Han, Kwang Seop Kim, Hyun Myung Jang
  • Patent number: 6540823
    Abstract: The present invention relates to a novel zinc magnesium titanate represented by formula (I): Zn2−xMgx.yTiO4 in which x denotes a real number of 0.5 to 1.5; and y denotes an integer of 1 or 2, and to a process for preparing the same and a thermoregulating functional composition which comprises zinc magnesium titanate of formula (I).
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: April 1, 2003
    Assignee: LG Chemical Ltd.
    Inventors: Dong Sung Seo, Hong Ha Sohn, Ji Ho Park, Seh Hoon Kang, Young Chang Yoo
  • Patent number: 6030627
    Abstract: The present invention relates to an antimicrobial pigment, its production process, and a cosmetic composition containing the pigment. More particularly, it relates to an antimicrobial cosmetic pigment produced by forming an amorphous glassy inorganic coating layer of metal oxides over the surface of inorganic cosmetic pigment and intercalating antimicrobial metals inside the lattice structure of the coating layer, it's production process, and a cosmetic composition containing it. Silica, either alone or as the principal ingredient in combination with one or more oxides selected from the group consisting of zinc oxide, magnesium oxide, calcium oxide, aluminum oxide, lithium oxide, sodium oxide, potassium oxide, and ferric oxide is utilized as the metal oxide and the composition utilizes silver, copper and zinc as the antimicrobial metals.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: February 29, 2000
    Assignee: Lucky Ltd.
    Inventors: Dong Sung Seo, Se Hun Kang, Sung Won Choi