Patents by Inventor Su Jin Choi

Su Jin Choi 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: 10558078
    Abstract: A polarizing layer includes a substrate and a plurality of parallel wires disposed on the substrate. Each of the plurality of wires includes a base layer disposed on the substrate and an anti-reflective layer disposed on the base layer. The base layer includes aluminum or an aluminum alloy. The anti-reflective layer has a thickness within a range of 12 nm to 40 nm.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung In Baek, Hyun Eok Shin, Su Jin Choi, Sang Gab Kim, Ji Hun Kim, Hyeon Hwan Kim, Jung Gun Nam, Young Eun Park, Joon Yong Park, Jin Ho Park, Gyung Min Baek, Yun Jong Yeo, Gug Rae Jo, Hyun Ji Ha, Youn Ho Han
  • Publication number: 20200017730
    Abstract: Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 16, 2020
    Inventors: Ji Ho HWANG, Jun Ok MOON, Young Lyeol YANG, Chang Suk LEE, Sang Gwon MOON, Su Jin CHOI
  • Publication number: 20200017729
    Abstract: Provided is an adhesive composition including lysine, citric acid, and water, wherein the lysine and the citric acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, citric acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the citric acid, and the water are adjusted such that precipitates of the lysine and the citric acid do not form in the adhesive composition.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 16, 2020
    Inventors: Ji Ho HWANG, Jun Ok MOON, Young Lyeol YANG, Chang Suk LEE, Sang Gwon MOON, Su Jin CHOI
  • Publication number: 20190317263
    Abstract: A liquid crystal display device includes a light guide plate, an optical film, a quantum dot film, a display panel, a light source unit, and an optical filter. The light guide plate includes a light incident surface and a light emission surface. The optical film is disposed in the light emission surface on the light guide plate, and has a first refractive index. The quantum dot film is disposed on the optical film. The display panel is disposed on the quantum dot film, and displays an image. The light source unit is spaced apart from the light incident surface of the light guide plate, and emits a light. The optical filter is disposed in the light incident surface such that the optical filter is spaced apart from the light source unit, and reflects a first light, which has an angle of incidence greater than a predetermined angle of incidence, among the light.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 17, 2019
    Inventors: Youn Ho Han, Seung In Baek, Jung Hwan Yi, Mi Ra Gwon, Young Eun Park, Su Jin Choi
  • Publication number: 20190264215
    Abstract: The present disclosure relates to a polypeptide having an acyltransferase activity or a microorganism including the same; a composition for preparing N-acetyl-L-methionine, the composition including the polypeptide or microorganism; and a method of preparing N-acetyl-L-methionine using the polypeptide or microorganism. Further, the present disclosure relates to a polynucleotide encoding the polypeptide and an expression vector including the polynucleotide. Since the microorganism including a novel acyltransferase according to the present disclosure has enhanced acyltransferase activity, this microorganism can be efficiently used for producing N-acetyl-L-methionine by acetylating L-methionine.
    Type: Application
    Filed: July 19, 2017
    Publication date: August 29, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: So Yeon HONG, Jinseung PARK, Hye Min PARK, Su Jin CHOI, Jun Ok MOON, Sung Gun LEE, Jinwoo JEON
  • Patent number: 10316339
    Abstract: The present invention relates to a polypeptide having a resistant to feedback inhibition by methionine and an activity of homoserine O-succinyltransferase, a O-succinyl homoserine-producing microorganism expressing the polypeptide, and a method for producing O-succinyl homoserine using the same.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: June 11, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Su Jin Choi, So Young Kim, Chang Il Seo, Yong Uk Shin, Young Lyeol Yang, Hye Won Um, Hye Min Park, Sung Hoo Jhon, Byung Hoon Jung
  • Patent number: 10268880
    Abstract: The present invention relates to an apparatus and method of an animal recognition using nose patterns, and particularly to an apparatus and method of an animal recognition comprising a body stabilizer unit to minimize movement of the subject animal for optimal nose pattern image acquisition, an image acquisition unit to obtain and store the nose pattern image, and an image recognition unit to generate, enroll, verify, and identify the raw or processed nose pattern code from the acquired nose pattern image.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: April 23, 2019
    Assignee: ISCILAB CORPORATION
    Inventors: Nam Sook Wee, Su Jin Choi, Haeng Moon Kim, Hyeong In Choi
  • Publication number: 20180364521
    Abstract: A polarizing layer includes a substrate and a plurality of parallel wires disposed on the substrate. Each of the plurality of wires includes a base layer disposed on the substrate and an anti-reflective layer disposed on the base layer. The base layer includes aluminum or an aluminum alloy. The anti-reflective layer has a thickness within a range of 12 nm to 40 nm.
    Type: Application
    Filed: January 12, 2018
    Publication date: December 20, 2018
    Inventors: Seung In Baek, Hyun Eok Shin, Su Jin Choi, Sang Gab Kim, Ji Hun Kim, Hyeon Hwan Kim, Jung Gun NAM, Young Eun Park, Joon Yong Park, Jin Ho Park, Gyung Min Baek, Yun Jong Yeo, Gug Rae Jo, Hyun Ji Ha, Youn Ho Han
  • Publication number: 20180317522
    Abstract: A bio-based N-acetyl-L-methionine and a preparation method thereof, a feed additive containing the N-acetyl-L-methionine, a feed composition containing the feed additive, and a method for raising animals which includes feeding a feed additive containing the N-acetyl-L-methionine or a feed composition containing the feed additive to animals.
    Type: Application
    Filed: October 14, 2016
    Publication date: November 8, 2018
    Inventors: Jin Woo JEON, Jun Ok MOON, Jin Seung PARK, Su Jin CHOI, Kuk Ki HONG, Jeong Hyun KIM, Hye Min PARK, So Yeon HONG
  • Patent number: 9890404
    Abstract: The present invention relates to a putrescine-producing microorganism and a method for producing putrescine using the same. To be more specific, the present invention is directed to a microorganism given the ability to produce putrescine which is generated by blocking a biosynthetic pathway from ornithine to arginine, increasing the intracellular level of glutamate, enhancing the biosynthetic pathway of ornithine from glutamate, and introducing extracellular ornithine decarboxylase; and a method for producing putrescine by using the microorganism.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: February 13, 2018
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyang Choi, Kyoung Min Lee, Min Sun Kang, Sung Hoo Jhon, Hye Won Um, Su Jin Choi, Han Won Lee, Soo An Shin
  • Publication number: 20170247727
    Abstract: Provided are a microorganism having an ability to produce O-succinylhomoserine or succinic acid, and a method of producing O-succinylhomoserine or succinic acid by using the same.
    Type: Application
    Filed: June 3, 2015
    Publication date: August 31, 2017
    Inventors: Hye Min PARK, Kuk Ki HONG, Gyu Hyeon SONG, Young Lyeol YANG, Min Sun KANG, Jong Hyun YOON, Byung Hoon JUNG, Su Jin CHOI
  • Patent number: 9720246
    Abstract: A complex spatial light modulator for modulating a phase and amplitude of a light beam and a 3-dimensional (3D) display including the same are provided. The complex spatial light modulator includes a spatial light modulator modulating a phase of a light beam, a lenticular lens array disposed next to the spatial light modulator, and a volume holographic lens array spaced apart from the lenticular lens array and allowing light beams output from the lenticular lens array to be superimposed and to interfere with each other, and so that the phase and an amplitude of the light beam are simultaneously modulated.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 1, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Kang-hee Won, Hwi Kim, Gee-young Sung, Hoon Song, Hong-seok Lee, Su-jin Choi
  • Patent number: 9677099
    Abstract: The present invention relates to a recombinant microorganism having enhanced ability of producing putrescine at high yield, which is generated by weakening the activity of NCgl1469 in a microorganism of Corynebacterium genus that is modified to produce putrescine, and a method for producing putrescine using the same.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: June 13, 2017
    Assignee: CJ Cheiledang Corporation
    Inventors: Su Jin Choi, Hyang Choi, Min Sun Kang, Sung Hoo Jhon, Kyoung Min Lee, Hye Won Um, Young Lyeol Yang
  • Publication number: 20170101656
    Abstract: Provided are a microorganism of the genus Escherichia for producing O-succinylhomoserine and a method for producing O-succinylhomoserine using the same.
    Type: Application
    Filed: January 22, 2015
    Publication date: April 13, 2017
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Su Jin CHOI, Kuk Ki HONG, Young Lyeol YANG, Min Sun KANG, Hye Min PARK, Gyuhyeon SONG, Jong Hyun YOON
  • Patent number: 9593353
    Abstract: The present invention relates to a polypeptide having a resistant to feedback inhibition by methionine and an activity of homoserine O-succinyltransferase, a O-succinyl homoserine-producing microorganism expressing the polypeptide, and a method for producing O-succinyl homoserine using the same.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: March 14, 2017
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Su Jin Choi, So Young Kim, Chang Il Seo, Yong Uk Shin, Young Lyeol Yang, Hye Won Um, Hye Min Park, Sung Hoo Jhon, Byung Hoon Jung
  • Publication number: 20160335495
    Abstract: The present invention relates to an apparatus and method for acquiring an image for iris recognition using a distance of a facial feature, the apparatus comprising: a buffer for photographing one or more facial images of a subject being photographed so as to acquire an image for iris recognition and storing the photographed facial images; a facial feature distance calculating unit for calculating a distance of a facial feature from the facial images stored in the buffer; an actual distance estimating unit for estimating an actual distance between the subject being photographed and a camera from the distance of the face feature calculated by the facial feature distance calculating unit, and confirming, from of the estimated distance, that the subject being photographed exists in an iris photographing space; and an iris image acquiring unit for acquiring an eye image from the facial images of the subject being photographed that has been confirmed as existing in the iris photographing space by the actual distanc
    Type: Application
    Filed: December 30, 2014
    Publication date: November 17, 2016
    Inventors: Dae Hoon KIM, Hyeong In CHOI, Byung Jin JUN, Thi Thanh Tuyen NGUYEN, Su Jin CHOI, Haeng Moon KIM
  • Publication number: 20160304918
    Abstract: The present invention relates to a polypeptide having a resistant to feedback inhibition by methionine and an activity of homoserine O-succinyltransferase, a O-succinyl homoserine-producing microorganism expressing the polypeptide, and a method for producing O-succinyl homoserine using the same.
    Type: Application
    Filed: October 22, 2014
    Publication date: October 20, 2016
    Inventors: Su Jin CHOI, So Young KIM, Chang Il SEO, Yong Uk SHIN, Young Lyeol YANG, Hye Won UM, Hye Min PARK, Sung Hoo JHON, Byung Hoon JUNG
  • Publication number: 20160304919
    Abstract: The present invention relates to a polypeptide having a resistant to feedback inhibition by methionine and an activity of homoserine O-succinyltransferase, a O-succinyl homoserine-producing microorganism expressing the polypeptide, and a method for producing O-succinyl homoserine using the same.
    Type: Application
    Filed: October 22, 2014
    Publication date: October 20, 2016
    Inventors: Su Jin CHOI, So Young KIM, Chang Il SEO, Yong Uk SHIN, Young Lyeol YANG, Hye Won UM, Hye Min PARK, Sung Hoo JHON, Byung Hoon JUNG
  • Publication number: 20160259970
    Abstract: The present invention relates to an apparatus and method of an animal recognition using nose patterns, and particularly to an apparatus and method of an animal recognition comprising a body stabilizer unit to minimize movement of the subject animal for optimal nose pattern image acquisition, an image acquisition unit to obtain and store the nose pattern image, and an image recognition unit to generate, enroll, verify, and identify the raw or processed nose pattern code from the acquired nose pattern image.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 8, 2016
    Inventors: Nam Sook WEE, Su Jin CHOI, Haeng Moon KIM
  • Patent number: 9303277
    Abstract: The present invention relates to a microorganism having an improved ornithine-producing ability, in which the biosynthetic pathway of arginine form ornithine is blocked, the intracellular glutamate level is increased, and the biosynthetic pathway of ornithine from glutamate is enhanced, and a method for producing ornithine using the microorganism.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: April 5, 2016
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyang Choi, Kyoung Min Lee, Min Sun Kang, Sung Hoo Jhon, Hye Won Um, Su Jin Choi, Han Won Lee, Soo An Shin