Patents by Inventor Hee Ahn

Hee Ahn 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: 20150139912
    Abstract: The present invention relates to a CT contrast agent for detecting a thrombus, comprising fibrin-targeted peptide sequence-conjugated glycol chitosan-gold nanoparticles. The CT contrast agent for detecting a thrombus according to an embodiment of the present invention may allow rapid and repeated acquisition of CT image information related to the size and location of a thrombus in cardio-cerebral vascular thrombosis, and also enables the imaging monitoring of cerebral thrombus.
    Type: Application
    Filed: May 13, 2013
    Publication date: May 21, 2015
    Inventors: Dong Eog Kim, Jeong Yeon Kim, In Cheol Sun, Sung Kyung Park, Cheol Hee Ahn, Kwang Meyung Kim
  • Publication number: 20150125956
    Abstract: The present invention relates to a composition for maturing dendritic cells, comprising, as a maturation-promoting factor, Interleukin-1? (IL-1?), Interleukin-6 (IL-6), Tumor necrosis factor-? (TNF-?), Interferon-? (IFN-?), Prostaglandin E2 (PGE2), Picibanil (OK432) and/or Poly IC. The composition for maturing dendritic cells of the present invention may have the effects of not only improving the ability of dendritic cells to induce an immune response, but also of decreasing the antigen non-specific immune response of dendritic cells and increasing antigen-specific immune response of dendritic cells, thus maximizing the effects of immunotherapy.
    Type: Application
    Filed: May 30, 2013
    Publication date: May 7, 2015
    Applicant: JW CREAGENE INC.
    Inventors: Yoon Lee, Hye-Won Kang, Seung-Soo Han, Young-Mok Kim, Yong-Soo Bae, Seo-Hee Ahn
  • Patent number: 9018312
    Abstract: A thermoplastic resin composition with improved impact resistance can include (A) about 30 to about 99 parts by weight of an epoxy group-containing styrenic polymer comprising (A1) about 5 to about 100% by weight of an epoxy group-containing vinyl copolymer containing about 0.001 to about 5.0 mol % of an epoxy compound; and (A2) about 0 to about 95% by weight of a rubber modified styrenic copolymer resin; (B) about 1 to about 70 parts by weight of a polyester resin; (C) about 0.001 to about 10 parts by weight of a silicone oil, per 100 parts by weight of a base resin comprising (A) and (B); (D) about 3 to about 20 parts by weight of a bromine-containing flame retardant, per 100 parts by weight of a base resin comprising (A) and (B); and (E) about 0.1 to about 6 parts by weight of a flame retardant aid, per 100 parts by weight of a base resin comprising (A) and (B).
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: April 28, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Se Bum Son, Sung Hee Ahn, In Hwan Oh, Sung Duk Hwang
  • Publication number: 20150093576
    Abstract: Disclosed herein are carbon nanotubes and a method of manufacturing the same. The carbon nanotubes include at least one element selected from aluminum (Al), magnesium (Mg) and silicon (Si) and at least one metal selected from cobalt (Co), nickel (Ni), iron (Fe), manganese (Mn) and molybdenum (Mo), and have an intensity ratio (ID/IG) of about 1.10 or less as measured by Raman spectroscopy and a carbon purity of about 98% or higher. The carbon nanotubes prepared by the method can be controlled in terms of carbon purity and preparation yield while eliminating the need for post-refining treatment.
    Type: Application
    Filed: September 29, 2014
    Publication date: April 2, 2015
    Inventors: Seung Yong BAE, Yun Tack LEE, Byeong Yeol KIM, Joong In KIM, Sung Hee AHN
  • Publication number: 20150073156
    Abstract: The present invention relates to a production method of ?-methylene lactone which comprises the following steps: (A) a step of producing an enolate intermediate by making lactone react with alkyl formate under the presence of an alkoxide base; and (B) making the enolate intermediate react with paraformaldehyde. The production method of the present invention is capable of reducing the process time, improving yield, and minimizing the contamination of a reactor.
    Type: Application
    Filed: July 20, 2012
    Publication date: March 12, 2015
    Inventors: Myung Ryul Lee, Sun Dae Kim, In Sik Jeon, Won Gi Lee, Sung Hee Ahn, Sang Hyun Hong
  • Publication number: 20150074587
    Abstract: A method of controlling a mobile terminal, and which includes displaying a touch keypad on a touch screen of the mobile terminal, the touch keypad including character input regions, at least one specific character input region including a first character symbol and a second character symbol; displaying an output window above the touch keypad, the output window displaying character symbols touched on the character input regions; receiving a touch selection signal indicating a touch selection of the specific character input region; as long as the received touch selection signal is received, displaying the keypad and a new character input region with the second character symbol being displayed larger than the second character symbol displayed in the specific character input region; and displaying the second character symbol in the output window when the touch selection is released from the new character input region.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 12, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: U-Beom HEO, Jeong-Hee AHN, Joo-Ho LEE, Kyung-Wook PARK
  • Patent number: 8927642
    Abstract: A thermoplastic resin composition includes (A) thermoplastic resin in an amount of about 100 parts by weight, (B) flame retardant in an amount of about 1 to about 10 parts by weight, and (C) carbon nanotubes in an amount of about 0.005 to about 0.05 parts by weight. The thermoplastic resin composition of the present invention can have excellent anti-dripping properties.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: January 6, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Yun Tack Lee, Sung Hee Ahn, Seon Ae Lee, Byeong Yeol Kim, Won Jun Choi, Seung Yong Bae
  • Publication number: 20140378589
    Abstract: A silane compound is represented by Formula 1: wherein each R1 is independently a single bond, an ether group, a carbonyl group, a thioether group, a sulfone group, or a substituted or unsubstituted C1 to C20 hydrocarbon group, R2 and R3 are each independently a substituted or unsubstituted C1 to C20 hydrocarbon group, each R4 is independently hydrogen or a C1 to C5 hydrocarbon group, each X is independently halogen, a hydroxyl group, or C1 to C20 alkoxy, each Y is independently a single bond, an amide group, a thioester group, a hydroxyethylene group, a carbonyl group, an aromatic group or an ester group, a and b are each independently an integer from 1 to 3, a+b is 4, m is an integer from 0 to 5, n is an integer from 5 to 50, and p and q are each independently an integer from 0 to 4.
    Type: Application
    Filed: February 17, 2014
    Publication date: December 25, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Su Hak BAE, Sung Hee AHN, Hyun Joo HAN, Ha Na RA, Hyun Ho LEE
  • Patent number: 8902169
    Abstract: A device, computer program product and method of inputting a character in a touch screen device, in which a touch area is partitioned into a plurality of array positions, and one or more letters are assigned to each of the partitioned array positions. The method comprises the steps of: partitioning a touch area of the touch panel into a plurality of array positions and assigning one or more characters to each of the partitioned array positions; sensing an expansion event of selecting one among the array positions; dividing the touch area into a plurality of selection positions and assigning the characters assigned to the array position selected by the expansion event to the respective selection positions; sensing a selection event of selecting one among the selection positions; and recognizing the character assigned to the selection position selected by the selection event as an input character.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: December 2, 2014
    Assignee: LG Electronics Inc.
    Inventors: U-Beom Heo, Jeong-Hee Ahn, Joo-Ho Lee, Kyung-Wook Park
  • Publication number: 20140335535
    Abstract: The present invention relates to a peptide marker for cancer diagnosis and a cancer diagnosis method using the same, more precisely to a peptide marker for cancer diagnosis screened by the following steps: separating and concentrating glycoproteins including a certain glycan chain related to the occurrence of cancer; hydrolyzing the glycoproteins to obtain polypeptides; and quantitatively analyzing the polypeptides to identify certain polypeptides that can track quantitative changes in glycoproteins glycosylated in a specific manner by the occurrence of cancer, and to a cancer diagnosis method using the said peptide marker.
    Type: Application
    Filed: March 12, 2014
    Publication date: November 13, 2014
    Applicant: Korea Basic Science Institute
    Inventors: Yeong Hee AHN, Jong Shin YOO
  • Publication number: 20140323391
    Abstract: Disclosed herein are biomarkers useful for identifying and/or classifying bacterial infections in a subject.
    Type: Application
    Filed: March 15, 2014
    Publication date: October 30, 2014
    Applicant: Duke University
    Inventors: Ephraim Tsalik, Vance Fowler, Christopher W. Woods, Joseph E. Lucas, Geoffrey S. Ginsburg, Sun Hee Ahn
  • Publication number: 20140322487
    Abstract: The thermoplastic resin composition of the present invention comprises: (A) a rubber-modified aromatic vinyl-based graft copolymer resin; (B) a polyester resin; (C) a maleimide-based polymer; (D) a copolymer resin of a modified aromatic vinyl compound-cyanide vinyl compound comprising a functional group which can react with a polyester; and (E) an aromatic vinyl-based resin copolymerized with an alkyl(meth)acrylate, wherein the aromatic vinyl-based resin copolymerized with the alkyl(meth)acrylate (E) is included in the composition at approximately 6 to 12 percent by weight.
    Type: Application
    Filed: September 14, 2012
    Publication date: October 30, 2014
    Applicant: Chell Industries Inc.
    Inventors: Dong Kil Choi, Dong Min Park, Sung Hee Ahn, Jae Won Lee
  • Publication number: 20140284408
    Abstract: The present invention relates to a container for a stirrer used in a stirrer stirring objects through a centrifugal force. The container for the stirrer includes a container body of which the top is opened and in which a receiving space is formed, an outer lid coupled to the top of the container body, and a crushing unit including a supporting member disposed in the receiving space, and a crushing member extending outward from the supporting member and crushing and stirring the objects received in the receiving space. Thus, nanoparticle-sized objects can be rapidly crushed and stirred without agglomeration.
    Type: Application
    Filed: May 30, 2014
    Publication date: September 25, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Du Seong Yoon, Song Taek Oh, Ji Hee Ahn
  • Patent number: 8802318
    Abstract: A compound that is a polymerization product of a compound composition that contains a diisocyanate-based compound and an aromatic polyol, a composition that contains the compound and an interpenetration polymer, a fuel cell electrode including either the compound or the composition, a fuel cell electrolyte membrane including either the compound or the composition, and a fuel cell including at least one selected from the group consisting of the fuel cell electrode and the fuel cell electrolyte membrane.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: August 12, 2014
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Seong-woo Choi, Cheol-hee Ahn, Jung-ock Park, So-young Park
  • Publication number: 20140187691
    Abstract: A flame retardant includes a polymer including a unit represented by Formula 1: wherein A and B are each independently a single bond, C1 to C5 alkylene, C1 to C5 alkylidene, C5 to C6 cycloalkylidene, —S— or —SO2—, provided that A and B are different from each other; R1 and R4 are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C6 to C20 aryl, or substituted or unsubstituted C6 to C20 aryloxy; R2, R3, R5 and R6 are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl, or halogen; a, b, c and d are each independently an integer from 0 to 4; m is an integer from 0 to 500; and n is an integer from 1 to 500. The flame retardant polyamide resin composition can have excellent flame retardancy and can maintain crystallinity.
    Type: Application
    Filed: December 12, 2013
    Publication date: July 3, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Seung Woo JANG, Chang Hong KO, Min Soo LEE, Sung Hee AHN
  • Publication number: 20140187702
    Abstract: A thermoplastic resin composition includes (A) thermoplastic resin in an amount of about 100 parts by weight, (B) flame retardant in an amount of about 1 to about 10 parts by weight, and (C) carbon nanotubes in an amount of about 0.005 to about 0.05 parts by weight. The thermoplastic resin composition of the present invention can have excellent anti-dripping properties.
    Type: Application
    Filed: July 3, 2013
    Publication date: July 3, 2014
    Inventors: Yun Tack Lee, Sung Hee Ahn, Seon Ae Lee, Byeong Yeol Kim, Won Jun Choi, Seung Yong Bae
  • Publication number: 20140147727
    Abstract: Provided are a cathode active material having high capacity and excellent lifetime characteristics as well as being inexpensive by mixing transition metal oxide having high irreversible capacity with composite dimensional manganese oxide (CDMO) of the following Chemical Formula 1, which has high capacity and good lifetime characteristics but is difficult to be charged and discharged by being used alone, and a lithium secondary battery including the cathode active material: xMnO2·(1?x)Li2MnO3(0<x<1).
    Type: Application
    Filed: November 22, 2013
    Publication date: May 29, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hwan PARK, Hyun Seok LEE, Youn Kyoung LEE, Ji Hee AHN, Hoe Jin HAH
  • Patent number: 8722280
    Abstract: A hyper-branched polymer having a degree of branching in the range of about 0.05 to about 1 includes a dendritic unit, a linear unit, and a terminal unit, wherein the hyper-branched polymer, an electrode for a fuel cell including the hyper-branched polymer, an electrolyte membrane for a fuel cell including the hyper-branched polymer, and a fuel cell including at least one of the electrode and the electrolyte membrane. Such a hyper-branched polymer included in a fuel cell provides excellent thermal resistance and phosphoric acid resistance and increase the performance of the fuel cell.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: May 13, 2014
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Seong-woo Choi, Cheol-hee Ahn, Jung-ock Park, Mi-jung Yim
  • Publication number: 20140053425
    Abstract: Disclosed is a laundry drying rack. The laundry drying rack in accordance with an embodiment of the present invention includes a plurality of fixing hangers disposed in parallel to each other on a drying rack frame on which laundry is hung, a plurality of oscillating links each performing a swing motion with respect to each fixing hanger as a pivot axis, a plurality of oscillating hangers each connected to a lower end of the oscillating link and shaking the laundry, hung on the fixing hanger, at the bottom of the corresponding fixing hanger, a driving unit generating power, and an electric unit providing the power generated by the driving unit as an oscillating force for the oscillating links.
    Type: Application
    Filed: August 24, 2013
    Publication date: February 27, 2014
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY
    Inventors: Yoon Su BAEK, Jong Hyun CHOI, Myung Hoon Sim, Dong Hee AHN, Nu Ri SEO
  • Publication number: 20140024636
    Abstract: Provided is a sulfamide derivative having an adamantyl group represented by the following Formula 1, or a pharmaceutically acceptable salt thereof. The sulfamide derivative suppresses the activity of 11?-hydroxysteroid dehydrogenase type 1 (11?-HSD1), and is useful in the treatment of various diseases that are mediated by 11?-HSD1.
    Type: Application
    Filed: March 30, 2012
    Publication date: January 23, 2014
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Ki Young Kim, Jin Hee Ahn, Seung Kyu Kang, Sang Dal Rhee, Myung Ae Bae, Sung Hoon Ahn, Hee Youn Kim, Won Hoon Jung, Nam Sook Kang