Patents by Inventor In Yong Seo

In Yong 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: 20200259189
    Abstract: Provided is a method of manufacturing a separator for a fuel cell comprising: accumulating fibers obtained by electrospinning a spinning solution in which a polymer and a solvent are mixed to obtain a first support having first pores in a three-dimensional network structure; electrospraying a spraying solution in which a first ion exchange resin and a solvent are mixed to spray droplets of the first ion exchange resin on the first support body; accumulating fibers obtained by electrospinning a spinning solution in which a polymer and a solvent are mixed on the first support to form a second support having second pores in a three-dimensional network structure; and electrospraying a spraying solution in which a second ion exchange resin and a solvent are mixed to spray droplets of the second ion exchange resin on the second support body and fill the second ion exchange resin in the second pores.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Inventor: In Yong SEO
  • Patent number: 10738024
    Abstract: Synthetic cremastranone and cremastranone analogs are disclosed. Additionally, methods for synthesizing cremastranone and cremastranone analogs are disclosed. Methods of treating ocular neovascularization disorders and treating angiogenesis-mediated disease are also disclosed.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: August 11, 2020
    Assignee: Indiana University Research and Technology Corporation
    Inventors: Timothy W. Corson, Halesha D. Basavarajappa, Seung-Yong Seo, Bit Lee, Xiang Fei
  • Publication number: 20200215490
    Abstract: A filter medium including: a porous first support; nanofiber webs respectively stacked at the upper and lower parts of the first support, and made of a plurality of nanofibers of which the diameters have a standard deviation of 300 nm or less; and a porous second support interposed between the first support and the nanofiber web. The filter medium is implemented by fibers having uniform diameters, and thus is easily manufactured to have a predetermined pore diameter and simultaneously has excellent uniformity of the pore diameters, thereby having excellent filtering efficiency and being more suitable when selectively separating specific objects. Backwashing is enabled at uniform pressure during backwashing such that high cleaning power is obtained. The filter medium has excellent water permeability and excellent mechanical strength so as to minimize the shape and structural deformation and damage of the filter medium.
    Type: Application
    Filed: July 23, 2018
    Publication date: July 9, 2020
    Applicant: AMOGREENTECH CO., LTD.
    Inventors: Ui Young JEONG, In Yong SEO
  • Patent number: 10695486
    Abstract: A liquid drug-filtering filter medium is provided, which can include a nanofiber web having a three-dimensional network structure for filtering foreign substances included in a liquid drug. According to the embodiment, the occurrence of differential pressure when drawing in and filtering a liquid drug is minimized, and thus the liquid drug may be quickly drawn into a syringe cylinder within a short time and by applying small force, and at the same time, the filtration rate of foreign substances in the liquid drug is very outstanding. A method for producing the liquid drug-filtering filter medium is also provided, which enables the very easy adjustment of a pore structure of the filter medium or the diameters of the pores in order to enable the pore structure to minimize the occurrence of differential pressure or change the differential pressure to a target level.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 30, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: In Yong Seo, Ui Young Jeong
  • Patent number: 10689614
    Abstract: Provided is a cell culture support, which is a support for attaching and culturing cells, and which includes: a fibrous web which is made by accumulating fibers of a biodegradable polymer and on which a plurality of pores are formed; and a plurality of beads formed on the fibers to secure spaces through which the cells penetrate into the fibrous web and grow therein.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: June 23, 2020
    Assignee: AMOLIFESCIENCE CO., LTD.
    Inventors: In Yong Seo, Seung Hoon Lee, Song Hee Koo, Ji Hyun Lee
  • Patent number: 10694287
    Abstract: Disclosed is a waterproof sound-transmitting sheet, which includes a waterproof layer of a nonporous material and a support layer of a porous material, and maintains waterproof performance and sound transmission performance at a water pressure of about 10 atm. The disclosed waterproof sound-transmitting sheet includes a waterproof layer formed of a film shape of a nonporous material, a first adhesive layer having one surface adhered to one surface of the waterproof layer, and a support layer formed of a film shape of a porous material, and having one surface adhered to the other surface of the adhesive layer; and the support layer can be composed of metal mesh or nonwoven fabric.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 23, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Kang-Sik Shin, In-Yong Seo, Ba-Wool Yoo
  • Patent number: 10684719
    Abstract: The present disclosure relates to an apparatus for sensing touch pressure. The apparatus for sensing touch pressure, according to one mode of the present disclosure, includes: a first substrate provided with a first electrode unit formed thereon; a second substrate provided with a second electrode unit formed thereon; and a porous membrane member provided between the first substrate and the second substrate and deformed or restored according to touch pressure applied to the first substrate.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: June 16, 2020
    Assignees: AMOGREENTECH CO., LTD., AMOSENSE CO., LTD.
    Inventors: In-Tae Yeo, Byoung-Su Jin, In Yong Seo, Sung-Baek Dan
  • Patent number: 10682613
    Abstract: Provided is an adsorptive liquid filter including: a support tube having a hollow portion formed in a tubular shape and having a plurality of throughholes penetrating the hollow portion from an outer circumferential surface thereof; and an adsorptive membrane which is enclosed by the outer circumferential surface of the support tube and adsorbs foreign substances contained in contaminated liquid, the adsorption membrane including: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and is made by accumulating ion exchange nanofibers for adsorbing foreign substances.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: June 16, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: In Yong Seo, Ui Young Jeong
  • Patent number: 10682599
    Abstract: Provided are filter media for liquid filters and a method of manufacturing the same, in which a thin filter layer is formed and the content of nanofibers weighs light, by laminating a low weight nanofiber web on a porous nonwoven fabric, and thus a less differential pressure is applied before and after filtering, to thereby increase a pass flow rate. The filter medium includes: a porous support that plays a strength support role; and a nanofiber web that is laminated on one side of the porous support and is made of nanofibers of a polymer material, in which the nanofiber web comprises fine pores of a three-dimensional structure, through which a liquid to be treated passes, wherein content of the nanofibers is less than 5 gsm.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: June 16, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Jun Sik Hwang, In Yong Seo
  • Publication number: 20200172765
    Abstract: A multilayer adhesive tape in which an interface separation between layers does not occur even at in extremely low temperature atmosphere is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which attaching force among the first outer adhesive layer, the intermediate adhesive layer, and the second outer adhesive layer is maintained after the multilayer adhesive tape is treated in liquefied nitrogen for 15 seconds.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 4, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hokyung Song, Dong Hoon Lim, Ju Yong Seo, Jun Man Choi, Woo Yeon Kim, Jae Sung Hong, Jang Soon Kim, Sle Lee, Kwang Su Seo
  • Publication number: 20200147939
    Abstract: Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.
    Type: Application
    Filed: May 18, 2018
    Publication date: May 14, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jae Sung Hong, Dong Hoon Lim, Ju Yong Seo, Jun Man Choi, Woo Yeon Kim, Ho Kyung Song, Jang Soon Kim, Sle Lee, Kwang Su Seo
  • Patent number: 10653047
    Abstract: An electromagnetic wave shielding sheet for a shield-can is disclosed, which is disposed between a metal bracket and a shield-can for shielding electromagnetic waves generated in a circuit element. It includes: a first conductive sheet part which includes a first conductive sheet having an electrical conductivity and conductive adhesive members disposed on both surfaces of the first conductive sheet; a pressure imparting member which is disposed on one surface of the first conductive sheet part and is compressible by an external force; and a second conductive sheet part which includes a second conductive sheet having an electrical conductivity and disposed on one surface of the first conductive sheet part to cover at least one surface of the pressure imparting member, and is electrically connected to the first conductive sheet part.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: May 12, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: In Yong Seo
  • Publication number: 20200137891
    Abstract: Provided is a method of manufacturing a printed circuit nano-fiber web. A method of manufacturing a printed circuit nano-fiber web according to an embodiment of the present invention includes (1) a step of electrospinning a spinning solution including a fiber-forming ingredient to manufacture a nano-fiber web; and (2) a step of forming a circuit pattern to coat an outer surface of nano-fiber included in a predetermined region on the nano-fiber web using an electroless plating method. According to the present invention, a circuit pattern-printed nano-fiber web having flexibility and resilience suitable for future smart devices may be realized. In addition, a circuit pattern may be densely formed to a uniform thickness on a flexible nano-fiber web using an electroless plating method, and the flexible nano-fiber web may include a plurality of pores.
    Type: Application
    Filed: April 20, 2018
    Publication date: April 30, 2020
    Applicant: AMOGREENTECH CO., LTD
    Inventor: In Yong SEO
  • Patent number: 10621098
    Abstract: A computing device includes a processor and a non-volatile dual in-line memory module (NVDIMM) connected to the processor. The NVDIMM includes a first memory having a first processing speed and a first storage capacity, a second memory having a second processing speed lower than the first processing speed and a second storage capacity larger than the first storage capacity, and a controller that evicts or fetches data between the first memory and the second memory. When the processor recognizes a first situation to evict data or a second situation to prefetch data, the processor transmits a command including first information of a logical address of data associated with the first situation or the second situation, second information of a length of the data associated with the first situation or the second situation, and third information indicating the first situation or the second situation to the NVDIMM.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: April 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Soon Jo, Sung Yong Seo, Joo Young Hwang
  • Patent number: 10609848
    Abstract: Provided is a flexible electromagnetic wave shielding material. An electromagnetic wave shielding material according to an embodiment of the present invention includes a conductive nanofiber web having a nanofiber web formed of a nanofiber and including multiple pores and a metal layer covering at least a portion of the nanofiber disposed on a surface portion of the nanofiber web, wherein a metal particle is provided in at least some of the pores; and an elastic member brought in contact with one surface of the conductive nanofiber web of the metal layer.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 31, 2020
    Assignee: Amogreentch Co., Ltd.
    Inventors: In Yong Seo, Ui Young Jeong, Jun Woo Lee
  • Publication number: 20200100403
    Abstract: Provided is a flexible electromagnetic wave shielding material. An electromagnetic wave shielding material according to an embodiment of the present invention is implemented to include a conductive fiber web including a conductive composite fiber including a metal shell part covering an outside of a fiber part such that the conductive composite fiber forms multiple pores; and a first conductive component provided in at least some of the pores. The electromagnetic wave shielding material is so excellent in flexibility, elasticity, and creasing/recovery that the electromagnetic wave shielding material may be freely changed in shape, and can be brought in complete contact with a surface where the electromagnetic wave shielding material is intended to be disposed even if the surface has a curved shape such as an uneven portion or a stepped portion, thus exhibiting excellent electromagnetic wave shielding performance.
    Type: Application
    Filed: December 12, 2017
    Publication date: March 26, 2020
    Applicant: AMOGREENTECH CO., LTD.
    Inventors: In Yong SEO, Ui Young JEONG, Jun Woo LEE
  • Publication number: 20200095484
    Abstract: A multilayer adhesive tape exhibiting high step coverage and having both high reworkability and excellent punchability is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which a glass transition temperature of the intermediate adhesive layer is ?40° C. or more and 0° C. or less, a glass transition temperature of each of the first outer adhesive layer and the second outer adhesive layer is ?60° C. or more and ?20° C. or less, and a difference in glass transition temperature between each of the first outer adhesive layer and the second outer adhesive layer and the intermediate adhesive layer is 5° C. or more and 25° C. or less.
    Type: Application
    Filed: May 18, 2018
    Publication date: March 26, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sle Lee, Dong Hoon Lim, Ju Yong Seo, Jun Man Choi, Woo Yeon Kim, Ho Kyung Song, Jae Sung Hong, Jang Soon Kim, Kwang Su Seo
  • Patent number: 10596780
    Abstract: Provided are a flexible electromagnetic shielding sheet and an electronic device having the same. The flexible electromagnetic shielding sheet includes: a pressure-sensitive adhesive tape having an electrically conductive adhesive layer on one surface thereof; a fiber web adhered to the electroconductive adhesive layer and formed by accumulating fibers; a metal layer formed on at least one surface of the fiber web to shield electromagnetic waves; and an insulating film bonded to the fiber web on which the metal layer is formed. Further, the pressure-sensitive adhesive tape includes: a fiber-accumulating type substrate formed by accumulating a plurality of fibers and having a plurality of pores; and an electrically conductive adhesive layer formed on either surface of the fiber-accumulating type substrate, and made of an electrically conductive adhesive material filled in the plurality of pores and electrically connected to the fiber-accumulating type substrate by an applied pressure.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 24, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: In Yong Seo, Ui Young Jeong
  • Publication number: 20200087618
    Abstract: Provided is a method of manufacturing a cell culture support having improved cell adhesion and mobility. The method includes: mixing a hydrophilic polymer, a hydrophobic polymer and a solvent to prepare an electro-spinning solution having a viscosity from 50 cps to 2000 cps; electro-spinning the electro-spinning solution to form polymer fibers having beads formed on each of the fibers; accumulating the polymer fibers to form a fibrous web having pores; and penetrating a culture solution into the pores of the fibrous web. The beads have a diameter larger than that of the polymer fibers.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Inventors: In Yong SEO, Seung Hoon LEE, Song Hee KOO, Ji Hyun LEE
  • Publication number: 20200086099
    Abstract: A dermal adhesive patch is provided. The dermal adhesive patch according to an exemplary embodiment of the present invention is adhered to skin through an ampoule containing a mixing ingredient, a drying ingredient, a viscosity control ingredient, and a moisturizing ingredient. The dermal adhesive patch comprises: a support body; and a membrane layer formed as a nanofiber web having pores to block moisture and to allow air to pass through the membrane layer, and detachably laminated on one surface of the support body.
    Type: Application
    Filed: December 8, 2017
    Publication date: March 19, 2020
    Applicant: AMOLIFESCIENCE CO., LTD.
    Inventors: In Yong SEO, Ji Hyun LEE