Patents by Inventor Min Seo

Min 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).

  • Patent number: 11850902
    Abstract: The present invention is directed to providing a strut suspension system configured to improve a steering property by reducing steering frictional resistance when a steering wheel is rotationally manipulated and having a relatively simple mechanical structure to reduce the number of components and manufacturing costs and to secure a large space for installing main components such as an engine and the like. Disclosed is a strut suspension system configured to absorb impact and vibrations transferred to a vehicle body from a road surface through a wheel. The strut suspension system includes a strut provided between the vehicle body and the wheel and to which a knuckle arm connecting a steering system of a vehicle to the wheel is connected to be relatively rotatable when the steering system performs steering and a stabilizer link having one end connected to a stabilizer bar configured to increase roll rigidity of the vehicle body and the other end coupled to prevent the strut from rotating.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: December 26, 2023
    Assignee: CTR CO., LTD.
    Inventor: Sun Min Seo
  • Publication number: 20230408591
    Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.
    Type: Application
    Filed: August 25, 2023
    Publication date: December 21, 2023
    Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
  • Publication number: 20230374241
    Abstract: Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 23, 2023
    Applicants: HYUNDAI COMPANY, KIA Corporation, PIUSYS CO., LTD., NVH KOREA, INC.
    Inventors: Jung Wook Lee, Se Hoon Kim, Ji Wan Kim, Jin Hyung Lee, Seong Je Kim, Dae Yong Kim, Jong Hyun Ryu, Myung Sik Lee, Min Seo Wu
  • Publication number: 20230353431
    Abstract: A low power PAM-4 output transmitter is disclosed. The lower power PAM-4 output transmitter comprises a first source series terminated SST branch configured to include unit cells having transistors which are selectively activated in response to an input signal outputted from an encoder; a second SST branch configured to include unit cells having transistors which are selectively activated in response to a negative signal of the input signal; and a common voltage switch H3 configured to short or open the first SST branch and the second SST branch. Here, differential signals are outputted from both terminals of the first SST branch and the second SST branch by making the first SST branch and the second SST branch short or open according to an operation of the common voltage switch.
    Type: Application
    Filed: June 30, 2023
    Publication date: November 2, 2023
    Inventors: CHang Sik YOO, Hyeong Min SEO, Ji Yun HAN
  • Publication number: 20230340633
    Abstract: Provided is a method of manufacturing a high-strength cold rolled steel sheet. The method includes: preparing a slab; heating the slab to 1,150° C. to 1,250° C.; finish hot rolling the heated slab within 900° C. to 980° C.; cooling the slab at an average cooling rate of 10° C./sec to 100° C./sec; winding the slab in 500° C. to 700° C.; cold rolling the slab at a cold-rolling reduction ratio of 30% to 60% to obtain a cold rolled steel sheet; continuously annealing the cold rolled steel sheet at Ae3+30° C. to Ae3+80° C.; primarily cooling the continuously annealed steel sheet at an average cooling rate of 10° C./s or less to 560° C. to 700° C. and secondarily cooling the steel sheet at an average cooling rate of 10° C./s or more to 270° C. to 330° C.; and reheating the cooled steel sheet at a temperature increase rate of 5° C./s or lower to a temperature in a range of 380° C. to 460° C.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 26, 2023
    Inventors: Young-Roc IM, Jong-Chan PARK, Jai-Hyun KWAK, Min-Seo KOO
  • Patent number: 11800732
    Abstract: The present disclosure relates to an organic light emitting diode including an emitting material layer that has a host and two different delayed fluorescent materials whose energy levels are controlled and an organic light emitting device including the diode. Exciton energy is transferred from a first delayed fluorescent dopant to a second delayed fluorescent dopant, which has singlet and triplet energy levels lower than singlet and triplet energy levels of the first delayed fluorescent dopant and a narrow FWHM (full-width at half maximum) compared to the first delayed fluorescent dopant so that efficient light emission can be realized.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: October 24, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chun-Ki Kim, Joong-Hwan Yang, Bo-Min Seo, Dae-Wi Yoon
  • Patent number: 11795304
    Abstract: The present invention provides an improved method of quantitative and/or qualitative analysis of a target molecule using nitrocellulose membrane (NCM). In particular, the present invention provides a porous nitrocellulose membrane that includes a surface and an organic nanostructured molecule that is non-covalently attached to the surface of NCM. The organic nanostructured molecule has a branched region that includes a plurality of terminal region (e.g., terminal end) moieties that are non-covalently attached or bound to a surface of the porous NCM. The organic nanostructured molecule also comprises a linear region that includes a covalently attached capture molecule that is adapted to selectively bind to a target molecule. The NCM of the invention provides an improved reproducibility, reliability, and selectivity compared an NCM in the absence of the organic nanostructured molecule.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 24, 2023
    Assignee: NB Postech
    Inventors: Joon Won Park, Sung Min Seo
  • Patent number: 11796601
    Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: October 24, 2023
    Assignee: SK On Co., Ltd.
    Inventors: Doo Jin Jeong, Jeong Min Seo, Kyu Min Hwang, Byung Eun Lee
  • Publication number: 20230327226
    Abstract: An active material recovery apparatus includes a heat treatment bath and a screening wall extending along a first axis. The heat treatment bath includes a heating zone and the screening wall includes a cooling zone. The active material recovery apparatus includes an exhaust injection and a degassing system. The heat treatment bath is configured to remove a binder and a conductive material in an active material layer and to perform heat treatment in air on an electrode scrap including the active material layer on a current collector. The screen wall is configured to recover the active material in powder form. The active material recovery apparatus is configured to separately recover the current collector that does not pass through the screening wall. The heat treatment bath includes protrusions in a sawtooth shape on a first cross-section orthogonal to the first axis.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 12, 2023
    Inventors: Min-Seo KIM, Se-Ho PARK, Doo-Kyung YANG
  • Patent number: 11774508
    Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: October 3, 2023
    Assignee: SK On Co., Ltd.
    Inventors: Kyung Chul Ko, Jeong Min Seo, Byung Eun Lee
  • Publication number: 20230305338
    Abstract: A light modulating device is disclosed herein. In some embodiments, a light modulating device includes a first substrate, a second substrate, a light modulation layer, and a retardation film, wherein each of the first and second substrates has a first surface and a second surface, wherein the first and second surfaces are disposed opposite to each other, wherein the first surfaces of the first and second substrates face each other, wherein the light modulation layer is disposed between the first and second substrates, wherein the retardation film is formed on the second surface of the first substrate or the second substrate, and wherein the retardation film has an in-plane phase difference in a range of 100 nm to 300 nm for light having a wavelength of 550 nm. The light modulating device can be control omnidirectional light leakage in a black mode while having excellent optical properties and mechanical properties.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 28, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Min Jun Gim, Sergey Belyaev, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Jung Woon Kim, Han Min Seo
  • Patent number: 11753693
    Abstract: Provided is a high-strength cold rolled steel sheet, a high-strength hot-dip galvanized steel sheet manufactured using the cold rolled steel sheet, and manufacturing methods therefor, the high-strength cold rolled steel sheet comprising, by wt %, 0.17-0.21% of carbon (C), 0.3-0.8% of silicon (Si), 2.7-3.3% of manganese (Mn), 0.3-0.7% of chromium (Cr), 0.01-0.3% of aluminum (Al), 0.01-0.03% of titanium (Ti), 0.001-0.003% of boron (B), 0.04% or less of phosphorus (P), 0.02% or less of sulfur (S), 0.01% or less of nitrogen (N) and the balance of iron (Fe) and other inevitable impurities, wherein the amounts of carbon (C), silicon (Si) and aluminum (Al) satisfy the following mathematical relation (1). [Mathematical relation (1)] [C]+([Si]+[Al])/5?0.35% (wherein [C], [Si] and [Al] respectively mean the wt % of C, Si and Al.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: September 12, 2023
    Assignee: POSCO CO., LTD
    Inventors: Young-Roc Im, Jong-Chan Park, Jai-Hyun Kwak, Min-Seo Koo
  • Patent number: 11752752
    Abstract: Provided is a low-density clad steel sheet having excellent formability and fatigue properties, including a base material; and cladding materials provided on both side surfaces of the base material, wherein the base material is a lightweight steel sheet including, by weight, C: 0.3 to 1.0%, Mn: 4.0 to 16.0%, Al: 4.5 to 9.0%, and a remainder of Fe and inevitable impurities, and each of the cladding materials is martensitic carbon steel including, by weight, C: 0.1 to 0.45%, Mn: 1.0 to 3.0%, and a remainder of Fe and inevitable impurities.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: September 12, 2023
    Assignee: POSCO CO., LTD
    Inventors: Tae-Jin Song, Min-Seo Koo
  • Publication number: 20230280616
    Abstract: A light modulating device is disclosed herein. In some embodiments, a light modulating device includes a light modulation film layer, wherein the light modulation film layer includes a first substrate, a second substrate, and a liquid crystal layer, wherein the liquid crystal layer is disposed between the first and second substrates, wherein the liquid crystal layer and is capable of implementing twisted orientation, and wherein a K value is in a range of 0.15 to 0.4. The light modulation device can stably maintain designed optical properties even after an encapsulation process in which a pressure is applied, such as an autoclave process. The light modulating device can also stably maintain the orientation state of the light modulation layer while effectively securing adhesive force between upper and lower substrates.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 7, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Min Jun Gim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Jung Woon Kim, Han Min Seo
  • Patent number: 11746203
    Abstract: Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: September 5, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, PIUSYS Co., Ltd., NVH Korea, Inc.
    Inventors: Jung Wook Lee, Se Hoon Kim, Ji Wan Kim, Jin Hyung Lee, Seong Je Kim, Dae Yong Kim, Jong Hyun Ryu, Myung Sik Lee, Min Seo Wu
  • Patent number: 11745034
    Abstract: A powered air purifying respirator composing 2-channel structure for air support includes: a mask unit that is worn on a face to surround a mouth or nostrils of a user; a generator unit that causes outside air to flow in and supplies the air to the mask unit; and first and second connector units that are formed to provide channels of the air by being connected to the mask unit and the generator unit at both sides of the first and second connectors, where the generator unit includes a fan driving module having first and second air supply holes at both sides of the fan driving module, the first and second air supply holes communicating with end portions of the first and second connector units.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 5, 2023
    Assignee: SERVORE CO., LTD.
    Inventors: Woon Su Seo, Jeong Min Seo
  • Publication number: 20230275278
    Abstract: A method of recovering an active material from a positive electrode scrap and reusing the active material is provided.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 31, 2023
    Inventors: Min-Seo KIM, Se-Ho PARK, Doo-Kyung YANG
  • Patent number: 11740551
    Abstract: The present application relates to a method for producing a substrate which includes a step of exposing and developing a photosensitive resin composition layer formed on a surface of a substrate base layer to produce spacers. The method for producing a substrate of the present application can uniformly form spacers having a height according to a desired cell gap and can also freely control the height of the spacers.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: August 29, 2023
    Inventors: Jun Haeng Lee, Yeon Keun Lee, Jung Doo Kim, Han Min Seo, Cheol Ock Song, Nam Seok Bae
  • Publication number: 20230263331
    Abstract: A reverse coffee extraction device according to an embodiment includes a pump configured to pump water upwards; and a brewing container installed above the pump to extract coffee, wherein the water pumped upwards is delivered to the brewing container and moves upwards, and the coffee in the brewing container is brewed and extracted to an outside while the water supplied down moves up.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 24, 2023
    Inventors: Seung Min HWANG, Byong Min SEO, Su Nam OH, Sang Mok KIM
  • Patent number: D999228
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: September 19, 2023
    Assignee: AHAM CO., LTD.
    Inventors: Min Seo Kim, Yong Su Lee